diff --git a/.github/scripts/edit.sh b/.github/scripts/edit.sh
index f3b2896c2..10d474675 100644
--- a/.github/scripts/edit.sh
+++ b/.github/scripts/edit.sh
@@ -30,7 +30,7 @@ check_changes() {
 fetch() {
   sudo cp "Formula/$PHP_VERSION.rb" "/tmp/$PHP_VERSION.rb"
   if [[ "$PHP_VERSION" =~ php@(5.6|7.[0-3]) ]]; then
-    commit=$(git ls-remote https://github.com/shivammathur/php-src-backports | grep "refs/tags/${PHP_VERSION/php@}.*{}" | sed "s/\s*refs.*//")
+    commit=$(git ls-remote https://github.com/shivammathur/php-src-backports | grep "refs/tags/$(echo "$PHP_VERSION" | grep -Eo "[0-9]+.[0-9]+").*{}" | sed "s/\s*refs.*//")
     sed -i -e "s|archive.*|archive/$commit.tar.gz\"|g" ./Formula/"$PHP_VERSION".rb
     url="$(grep -e "^  url.*" ./Formula/"$PHP_VERSION".rb | cut -d\" -f 2)"
     checksum=$(curl -sSL "$url" | shasum -a 256 | cut -d' ' -f 1)
@@ -48,7 +48,8 @@ fetch() {
     fi
   elif [[ "$PHP_VERSION" =~ php@8.[2-9] ]]; then
     master_version=$(curl -sL https://raw.githubusercontent.com/php/php-src/master/main/php_version.h | grep -Po 'PHP_VERSION "\K[0-9]+\.[0-9]+')
-    [ "${PHP_VERSION##*@}" = "$master_version" ] && branch=master || branch=PHP-"${PHP_VERSION##*@}"
+    PHP_MM=$(echo "$PHP_VERSION" | grep -Eo "[0-9]+.[0-9]+")
+    [ "$PHP_MM" = "$master_version" ] && branch=master || branch=PHP-"$PHP_MM"
     commit="$(curl -sL https://api.github.com/repos/php/php-src/commits/"$branch" | sed -n 's|^  "sha":.*"\([a-f0-9]*\)",|\1|p')"
     url="https://github.com/php/php-src/archive/$commit.tar.gz?commit=$commit"
     checksum=$(curl -sSL "$url" | shasum -a 256 | cut -d' ' -f 1)
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ea0f14b87..908f04caf 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -79,6 +79,15 @@ jobs:
           - 'php@7.4'
           - 'php@8.0'
           - 'php@8.2'
+          - 'php-debug'
+          - 'php@5.6-debug'
+          - 'php@7.0-debug'
+          - 'php@7.1-debug'
+          - 'php@7.2-debug'
+          - 'php@7.3-debug'
+          - 'php@7.4-debug'
+          - 'php@8.0-debug'
+          - 'php@8.2-debug'
     steps:
       - uses: actions/checkout@v3
 
diff --git a/Aliases/php@8.1-debug b/Aliases/php@8.1-debug
new file mode 120000
index 000000000..44bcb5fb9
--- /dev/null
+++ b/Aliases/php@8.1-debug
@@ -0,0 +1 @@
+../Formula/php-debug.rb
\ No newline at end of file
diff --git a/Formula/php-debug.rb b/Formula/php-debug.rb
new file mode 100644
index 000000000..4b299a59e
--- /dev/null
+++ b/Formula/php-debug.rb
@@ -0,0 +1,477 @@
+class PhpDebug < Formula
+  desc "General-purpose scripting language"
+  homepage "https://www.php.net/"
+  # Should only be updated if the new version is announced on the homepage, https://www.php.net/
+  url "https://www.php.net/distributions/php-8.1.8.tar.xz"
+  mirror "https://fossies.org/linux/www/php-8.1.8.tar.xz"
+  sha256 "04c065515bc347bc68e0bb1ac7182669a98a731e4a17727e5731650ad3d8de4c"
+  license "PHP-3.01"
+
+  livecheck do
+    url "https://www.php.net/downloads"
+    regex(/href=.*?php[._-]v?(\d+(?:\.\d+)+)\.t/i)
+  end
+
+  bottle do
+    root_url "https://ghcr.io/v2/shivammathur/php"
+    sha256 arm64_monterey: "1c09c1e2a8e8f27eeec9403f2a592a1c4618f86f2fb8eb8470e03c84c1274233"
+    sha256 arm64_big_sur:  "e2af3359406cc645f6933ff6826f89361d0caf64bf7b9d93bb75c93d831b5086"
+    sha256 monterey:       "f4841c04890f7126517ec2b3f307237a12235f0606eb2de4236ce260255f8e9c"
+    sha256 big_sur:        "3027462eb040dbd3289d80daade000527b4ccd80da45c6f8c5bd6ca0987f80f8"
+    sha256 catalina:       "6eb5639f31f7487f2ef6549123e8e768c2b06af3b321be4789640bfe5309baa9"
+    sha256 x86_64_linux:   "be9c2ce7c1c0cffcd37e3e70870cb2a5c832ecae22a64018cbbb765ae37d31a5"
+  end
+
+  head do
+    url "https://github.com/php/php-src.git", branch: "master"
+
+    depends_on "bison" => :build # bison >= 3.0.0 required to generate parsers
+    depends_on "re2c" => :build # required to generate PHP lexers
+  end
+
+  keg_only :versioned_formula
+
+  depends_on "httpd" => [:build, :test]
+  depends_on "pkg-config" => :build
+  depends_on "apr"
+  depends_on "apr-util"
+  depends_on "argon2"
+  depends_on "aspell"
+  depends_on "autoconf"
+  depends_on "curl"
+  depends_on "freetds"
+  depends_on "gd"
+  depends_on "gettext"
+  depends_on "gmp"
+  depends_on "icu4c"
+  depends_on "krb5"
+  depends_on "libpq"
+  depends_on "libsodium"
+  depends_on "libzip"
+  depends_on "oniguruma"
+  depends_on "openldap"
+  depends_on "openssl@1.1"
+  depends_on "pcre2"
+  depends_on "sqlite"
+  depends_on "tidy-html5"
+  depends_on "unixodbc"
+
+  uses_from_macos "xz" => :build
+  uses_from_macos "bzip2"
+  uses_from_macos "libedit"
+  uses_from_macos "libffi", since: :catalina
+  uses_from_macos "libxml2"
+  uses_from_macos "libxslt"
+  uses_from_macos "zlib"
+
+  on_macos do
+    # PHP build system incorrectly links system libraries
+    # see https://github.com/php/php-src/pull/3472
+    patch :DATA
+  end
+
+  def install
+    # buildconf required due to system library linking bug patch
+    system "./buildconf", "--force"
+
+    inreplace "configure" do |s|
+      s.gsub! "APACHE_THREADED_MPM=`$APXS_HTTPD -V 2>/dev/null | grep 'threaded:.*yes'`",
+              "APACHE_THREADED_MPM="
+      s.gsub! "APXS_LIBEXECDIR='$(INSTALL_ROOT)'`$APXS -q LIBEXECDIR`",
+              "APXS_LIBEXECDIR='$(INSTALL_ROOT)#{lib}/httpd/modules'"
+      s.gsub! "-z `$APXS -q SYSCONFDIR`",
+              "-z ''"
+    end
+
+    # Update error message in apache sapi to better explain the requirements
+    # of using Apache http in combination with php if the non-compatible MPM
+    # has been selected. Homebrew has chosen not to support being able to
+    # compile a thread safe version of PHP and therefore it is not
+    # possible to recompile as suggested in the original message
+    inreplace "sapi/apache2handler/sapi_apache2.c",
+              "You need to recompile PHP.",
+              "Homebrew PHP does not support a thread-safe php binary. " \
+              "To use the PHP apache sapi please change " \
+              "your httpd config to use the prefork MPM"
+
+    inreplace "sapi/fpm/php-fpm.conf.in", ";daemonize = yes", "daemonize = no"
+
+    config_path = etc/"php/#{version.major_minor}-debug"
+    # Prevent system pear config from inhibiting pear install
+    (config_path/"pear.conf").delete if (config_path/"pear.conf").exist?
+
+    # Prevent homebrew from harcoding path to sed shim in phpize script
+    ENV["lt_cv_path_SED"] = "sed"
+
+    # system pkg-config missing
+    ENV["KERBEROS_CFLAGS"] = " "
+    if OS.mac?
+      ENV["SASL_CFLAGS"] = "-I#{MacOS.sdk_path_if_needed}/usr/include/sasl"
+      ENV["SASL_LIBS"] = "-lsasl2"
+    end
+    if OS.linux?
+      ENV["SQLITE_CFLAGS"] = "-I#{Formula["sqlite"].opt_include}"
+      ENV["SQLITE_LIBS"] = "-lsqlite3"
+      ENV["BZIP_DIR"] = Formula["bzip2"].opt_prefix
+    end
+
+    # Each extension that is built on Mojave needs a direct reference to the
+    # sdk path or it won't find the headers
+    headers_path = ""
+    headers_path = "=#{MacOS.sdk_path_if_needed}/usr" if OS.mac?
+
+    args = %W[
+      --prefix=#{prefix}
+      --localstatedir=#{var}
+      --sysconfdir=#{config_path}
+      --with-config-file-path=#{config_path}
+      --with-config-file-scan-dir=#{config_path}/conf.d
+      --with-pear=#{pkgshare}/pear
+      --enable-bcmath
+      --enable-calendar
+      --enable-dba
+      --enable-debug
+      --enable-exif
+      --enable-ftp
+      --enable-fpm
+      --enable-gd
+      --enable-intl
+      --enable-mbregex
+      --enable-mbstring
+      --enable-mysqlnd
+      --enable-pcntl
+      --enable-phpdbg
+      --enable-phpdbg-readline
+      --enable-shmop
+      --enable-soap
+      --enable-sockets
+      --enable-sysvmsg
+      --enable-sysvsem
+      --enable-sysvshm
+      --with-apxs2=#{Formula["httpd"].opt_bin}/apxs
+      --with-bz2#{headers_path}
+      --with-curl
+      --with-external-gd
+      --with-external-pcre
+      --with-ffi
+      --with-fpm-user=_www
+      --with-fpm-group=_www
+      --with-gettext=#{Formula["gettext"].opt_prefix}
+      --with-gmp=#{Formula["gmp"].opt_prefix}
+      --with-iconv#{headers_path}
+      --with-kerberos
+      --with-layout=GNU
+      --with-ldap=#{Formula["openldap"].opt_prefix}
+      --with-libxml
+      --with-libedit
+      --with-mhash#{headers_path}
+      --with-mysql-sock=/tmp/mysql.sock
+      --with-mysqli=mysqlnd
+      --with-ndbm#{headers_path}
+      --with-openssl
+      --with-password-argon2=#{Formula["argon2"].opt_prefix}
+      --with-pdo-dblib=#{Formula["freetds"].opt_prefix}
+      --with-pdo-mysql=mysqlnd
+      --with-pdo-odbc=unixODBC,#{Formula["unixodbc"].opt_prefix}
+      --with-pdo-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pdo-sqlite
+      --with-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pic
+      --with-pspell=#{Formula["aspell"].opt_prefix}
+      --with-sodium
+      --with-sqlite3
+      --with-tidy=#{Formula["tidy-html5"].opt_prefix}
+      --with-unixODBC
+      --with-xsl
+      --with-zip
+      --with-zlib
+    ]
+
+    if OS.mac?
+      args << "--enable-dtrace"
+      args << "--with-ldap-sasl"
+      args << "--with-os-sdkpath=#{MacOS.sdk_path_if_needed}"
+    end
+    if OS.linux?
+      args << "--disable-dtrace"
+      args << "--without-ldap-sasl"
+      args << "--without-ndbm"
+      args << "--without-gdbm"
+    end
+
+    system "./configure", *args
+    system "make"
+    system "make", "install"
+
+    # Allow pecl to install outside of Cellar
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    orig_ext_dir = File.basename(extension_dir)
+    inreplace bin/"php-config", lib/"php", prefix/"pecl"
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", %r{; ?extension_dir = "\./"},
+        "extension_dir = \"#{HOMEBREW_PREFIX}/lib/php/pecl/#{orig_ext_dir}\""
+    end
+
+    # Use OpenSSL cert bundle
+    openssl = Formula["openssl@1.1"]
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", /; ?openssl\.cafile=/,
+        "openssl.cafile = \"#{openssl.pkgetc}/cert.pem\""
+      inreplace "php.ini-#{mode}", /; ?openssl\.capath=/,
+        "openssl.capath = \"#{openssl.pkgetc}/certs\""
+    end
+
+    config_files = {
+      "php.ini-development"   => "php.ini",
+      "php.ini-production"    => "php.ini-production",
+      "sapi/fpm/php-fpm.conf" => "php-fpm.conf",
+      "sapi/fpm/www.conf"     => "php-fpm.d/www.conf",
+    }
+    config_files.each_value do |dst|
+      dst_default = config_path/"#{dst}.default"
+      rm dst_default if dst_default.exist?
+    end
+    config_path.install config_files
+
+    unless (var/"log/php-fpm.log").exist?
+      (var/"log").mkpath
+      touch var/"log/php-fpm.log"
+    end
+  end
+
+  def post_install
+    pear_prefix = pkgshare/"pear"
+    pear_files = %W[
+      #{pear_prefix}/.depdblock
+      #{pear_prefix}/.filemap
+      #{pear_prefix}/.depdb
+      #{pear_prefix}/.lock
+    ]
+
+    %W[
+      #{pear_prefix}/.channels
+      #{pear_prefix}/.channels/.alias
+    ].each do |f|
+      chmod 0755, f
+      pear_files.concat(Dir["#{f}/*"])
+    end
+
+    chmod 0644, pear_files
+
+    # Custom location for extensions installed via pecl
+    pecl_path = HOMEBREW_PREFIX/"lib/php/pecl"
+    pecl_path.mkpath
+    ln_s pecl_path, prefix/"pecl" unless (prefix/"pecl").exist?
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    php_basename = File.basename(extension_dir)
+    php_ext_dir = opt_prefix/"lib/php"/php_basename
+
+    # fix pear config to install outside cellar
+    pear_path = HOMEBREW_PREFIX/"share/pear"
+    cp_r pkgshare/"pear/.", pear_path
+    {
+      "php_ini"  => etc/"php/#{version.major_minor}-debug/php.ini",
+      "php_dir"  => pear_path,
+      "doc_dir"  => pear_path/"doc",
+      "ext_dir"  => pecl_path/php_basename,
+      "bin_dir"  => opt_bin,
+      "data_dir" => pear_path/"data",
+      "cfg_dir"  => pear_path/"cfg",
+      "www_dir"  => pear_path/"htdocs",
+      "man_dir"  => HOMEBREW_PREFIX/"share/man",
+      "test_dir" => pear_path/"test",
+      "php_bin"  => opt_bin/"php",
+    }.each do |key, value|
+      value.mkpath if /(?<!bin|man)_dir$/.match?(key)
+      system bin/"pear", "config-set", key, value, "system"
+    end
+
+    system bin/"pear", "update-channels"
+
+    %w[
+      opcache
+    ].each do |e|
+      ext_config_path = etc/"php/#{version.major_minor}-debug/conf.d/ext-#{e}.ini"
+      extension_type = (e == "opcache") ? "zend_extension" : "extension"
+      if ext_config_path.exist?
+        inreplace ext_config_path,
+          /#{extension_type}=.*$/, "#{extension_type}=#{php_ext_dir}/#{e}.so"
+      else
+        ext_config_path.write <<~EOS
+          [#{e}]
+          #{extension_type}="#{php_ext_dir}/#{e}.so"
+        EOS
+      end
+    end
+  end
+
+  def caveats
+    <<~EOS
+      To enable PHP in Apache add the following to httpd.conf and restart Apache:
+          LoadModule php_module #{opt_lib}/httpd/modules/libphp.so
+
+          <FilesMatch \\.php$>
+              SetHandler application/x-httpd-php
+          </FilesMatch>
+
+      Finally, check DirectoryIndex includes index.php
+          DirectoryIndex index.php index.html
+
+      The php.ini and php-fpm.ini file can be found in:
+          #{etc}/php/#{version.major_minor}-debug/
+    EOS
+  end
+
+  plist_options manual: "php-fpm"
+  service do
+    run [opt_sbin/"php-fpm", "--nodaemonize"]
+    run_type :immediate
+    keep_alive true
+    error_log_path var/"log/php-fpm.log"
+    working_dir var
+  end
+
+  test do
+    assert_match(/^Zend OPcache$/, shell_output("#{bin}/php -i"),
+      "Zend OPCache extension not loaded")
+    # Test related to libxml2 and
+    # https://github.com/Homebrew/homebrew-core/issues/28398
+    if OS.mac?
+      assert_includes MachO::Tools.dylibs("#{bin}/php"),
+              "#{Formula["libpq"].opt_lib}/libpq.5.dylib"
+    end
+
+    system "#{sbin}/php-fpm", "-t"
+    system "#{bin}/phpdbg", "-V"
+    system "#{bin}/php-cgi", "-m"
+    # Prevent SNMP extension to be added
+    refute_match(/^snmp$/, shell_output("#{bin}/php -m"),
+      "SNMP extension doesn't work reliably with Homebrew on High Sierra")
+    begin
+      port = free_port
+      port_fpm = free_port
+
+      expected_output = /^Hello world!$/
+      (testpath/"index.php").write <<~EOS
+        <?php
+        echo 'Hello world!' . PHP_EOL;
+        var_dump(ldap_connect());
+      EOS
+      main_config = <<~EOS
+        Listen #{port}
+        ServerName localhost:#{port}
+        DocumentRoot "#{testpath}"
+        ErrorLog "#{testpath}/httpd-error.log"
+        ServerRoot "#{Formula["httpd"].opt_prefix}"
+        PidFile "#{testpath}/httpd.pid"
+        LoadModule authz_core_module lib/httpd/modules/mod_authz_core.so
+        LoadModule unixd_module lib/httpd/modules/mod_unixd.so
+        LoadModule dir_module lib/httpd/modules/mod_dir.so
+        DirectoryIndex index.php
+      EOS
+
+      (testpath/"httpd.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_prefork_module lib/httpd/modules/mod_mpm_prefork.so
+        LoadModule php_module #{lib}/httpd/modules/libphp.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler application/x-httpd-php
+        </FilesMatch>
+      EOS
+
+      (testpath/"fpm.conf").write <<~EOS
+        [global]
+        daemonize=no
+        [www]
+        listen = 127.0.0.1:#{port_fpm}
+        pm = dynamic
+        pm.max_children = 5
+        pm.start_servers = 2
+        pm.min_spare_servers = 1
+        pm.max_spare_servers = 3
+      EOS
+
+      (testpath/"httpd-fpm.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_event_module lib/httpd/modules/mod_mpm_event.so
+        LoadModule proxy_module lib/httpd/modules/mod_proxy.so
+        LoadModule proxy_fcgi_module lib/httpd/modules/mod_proxy_fcgi.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler "proxy:fcgi://127.0.0.1:#{port_fpm}"
+        </FilesMatch>
+      EOS
+
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+
+      Process.kill("TERM", pid)
+      Process.wait(pid)
+
+      fpm_pid = fork do
+        exec sbin/"php-fpm", "-y", "fpm.conf"
+      end
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd-fpm.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+    ensure
+      if pid
+        Process.kill("TERM", pid)
+        Process.wait(pid)
+      end
+      if fpm_pid
+        Process.kill("TERM", fpm_pid)
+        Process.wait(fpm_pid)
+      end
+    end
+  end
+end
+
+__END__
+diff --git a/build/php.m4 b/build/php.m4
+index 3624a33a8e..d17a635c2c 100644
+--- a/build/php.m4
++++ b/build/php.m4
+@@ -425,7 +425,7 @@ dnl
+ dnl Adds a path to linkpath/runpath (LDFLAGS).
+ dnl
+ AC_DEFUN([PHP_ADD_LIBPATH],[
+-  if test "$1" != "/usr/$PHP_LIBDIR" && test "$1" != "/usr/lib"; then
++  if test "$1" != "$PHP_OS_SDKPATH/usr/$PHP_LIBDIR" && test "$1" != "/usr/lib"; then
+     PHP_EXPAND_PATH($1, ai_p)
+     ifelse([$2],,[
+       _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
+@@ -470,7 +470,7 @@ dnl
+ dnl Add an include path. If before is 1, add in the beginning of INCLUDES.
+ dnl
+ AC_DEFUN([PHP_ADD_INCLUDE],[
+-  if test "$1" != "/usr/include"; then
++  if test "$1" != "$PHP_OS_SDKPATH/usr/include"; then
+     PHP_EXPAND_PATH($1, ai_p)
+     PHP_RUN_ONCE(INCLUDEPATH, $ai_p, [
+       if test "$2"; then
+diff --git a/configure.ac b/configure.ac
+index 36c6e5e3e2..71b1a16607 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -190,6 +190,14 @@ PHP_ARG_WITH([libdir],
+   [lib],
+   [no])
+
++dnl Support systems with system libraries/includes in e.g. /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk.
++PHP_ARG_WITH([os-sdkpath],
++  [for system SDK directory],
++  [AS_HELP_STRING([--with-os-sdkpath=NAME],
++    [Ignore system libraries and includes in NAME rather than /])],
++  [],
++  [no])
++
+ PHP_ARG_ENABLE([rpath],
+   [whether to enable runpaths],
+   [AS_HELP_STRING([--disable-rpath],
diff --git a/Formula/php.rb b/Formula/php.rb
index fb3d12e82..3bc27463e 100644
--- a/Formula/php.rb
+++ b/Formula/php.rb
@@ -23,7 +23,7 @@ class Php < Formula
   end
 
   head do
-    url "https://github.com/php/php-src.git"
+    url "https://github.com/php/php-src.git", branch: "master"
 
     depends_on "bison" => :build # bison >= 3.0.0 required to generate parsers
     depends_on "re2c" => :build # required to generate PHP lexers
diff --git a/Formula/php@5.6-debug.rb b/Formula/php@5.6-debug.rb
new file mode 100644
index 000000000..96d904e42
--- /dev/null
+++ b/Formula/php@5.6-debug.rb
@@ -0,0 +1,549 @@
+class PhpAT56Debug < Formula
+  desc "General-purpose scripting language"
+  homepage "https://secure.php.net/"
+  url "https://github.com/shivammathur/php-src-backports/archive/ebb82d7337885ac0d4346a943e336e9784d3af55.tar.gz"
+  version "5.6.40"
+  sha256 "9d556c089a7cde5341744691920b482dc90013a8420973822235a5758502f797"
+  license "PHP-3.01"
+  revision 4
+
+  bottle do
+    root_url "https://ghcr.io/v2/shivammathur/php"
+    rebuild 5
+    sha256 arm64_monterey: "82f548c3bf4bd359ff54edd8318b15cf35a5b9a561afac93b27280c9537ed6dc"
+    sha256 arm64_big_sur:  "5fd5cd7a4636ba3d5a0f2c98efa10898fdac45504b82876796023faa75532508"
+    sha256 monterey:       "cff6fe8c322e9725ee3884907273e046addaffc8143de4f0cbf826f611812d30"
+    sha256 big_sur:        "9f18326a806033cc946b4d663fc074366f8c71953fd1be4ee85edcf910e1a1b1"
+    sha256 catalina:       "eec921dcafdba1a8836f6f1551a701980a6bc010f4b70ff17c86b4c3172c4411"
+    sha256 x86_64_linux:   "2a77db2eea5fade5301b50d2c40df326de842072e5805345aa09ec739b883abe"
+  end
+
+  keg_only :versioned_formula
+
+  # This PHP version is not supported upstream as of 2018-12-31.
+  # Although, this was built with back-ported security patches,
+  # we recommended to use a currently supported PHP version.
+  # For more details, refer to https://www.php.net/eol.php
+  deprecate! date: "2018-12-31", because: :deprecated_upstream
+
+  depends_on "bison" => :build
+  depends_on "httpd" => [:build, :test]
+  depends_on "pkg-config" => :build
+  depends_on "re2c" => :build
+  depends_on "apr"
+  depends_on "apr-util"
+  depends_on "aspell"
+  depends_on "autoconf"
+  depends_on "curl"
+  depends_on "freetds"
+  depends_on "freetype"
+  depends_on "gettext"
+  depends_on "gmp"
+  depends_on "icu4c"
+  depends_on "jpeg"
+  depends_on "libpng"
+  depends_on "libpq"
+  depends_on "libtool"
+  depends_on "libzip"
+  depends_on "openldap"
+  depends_on "openssl@1.1"
+  depends_on "pcre"
+  depends_on "sqlite"
+  depends_on "tidy-html5"
+  depends_on "unixodbc"
+
+  uses_from_macos "bzip2"
+  uses_from_macos "libedit"
+  uses_from_macos "libxml2"
+  uses_from_macos "libxslt"
+  uses_from_macos "zlib"
+
+  on_macos do
+    # PHP build system incorrectly links system libraries
+    # see https://github.com/php/php-src/pull/3472
+    patch :DATA
+  end
+
+  def install
+    # Work around configure issues with Xcode 12
+    # See https://bugs.php.net/bug.php?id=80171
+    ENV.append "CFLAGS", "-Wno-implicit-function-declaration"
+
+    # Workaround for https://bugs.php.net/80310
+    ENV.append "CFLAGS", "-DU_DEFINE_FALSE_AND_TRUE=1"
+    ENV.append "CXXFLAGS", "-DU_DEFINE_FALSE_AND_TRUE=1"
+
+    # buildconf required due to system library linking bug patch
+    system "./buildconf", "--force"
+
+    inreplace "configure" do |s|
+      s.gsub! "APACHE_THREADED_MPM=`$APXS_HTTPD -V | grep 'threaded:.*yes'`",
+              "APACHE_THREADED_MPM="
+      s.gsub! "APXS_LIBEXECDIR='$(INSTALL_ROOT)'`$APXS -q LIBEXECDIR`",
+              "APXS_LIBEXECDIR='$(INSTALL_ROOT)#{lib}/httpd/modules'"
+      s.gsub! "-z `$APXS -q SYSCONFDIR`",
+              "-z ''"
+      # apxs will interpolate the @ in the versioned prefix: https://bz.apache.org/bugzilla/show_bug.cgi?id=61944
+      s.gsub! "LIBEXECDIR='$APXS_LIBEXECDIR'",
+              "LIBEXECDIR='" + "#{lib}/httpd/modules".gsub("@", "\\@") + "'"
+    end
+
+    # Update error message in apache sapi to better explain the requirements
+    # of using Apache http in combination with php if the non-compatible MPM
+    # has been selected. Homebrew has chosen not to support being able to
+    # compile a thread safe version of PHP and therefore it is not
+    # possible to recompile as suggested in the original message
+    inreplace "sapi/apache2handler/sapi_apache2.c",
+              "You need to recompile PHP.",
+              "Homebrew PHP does not support a thread-safe php binary. " \
+              "To use the PHP apache sapi please change " \
+              "your httpd config to use the prefork MPM"
+
+    inreplace "sapi/fpm/php-fpm.conf.in", ";daemonize = yes", "daemonize = no"
+
+    # API compatibility with tidy-html5 v5.0.0 - https://github.com/htacg/tidy-html5/issues/224
+    inreplace "ext/tidy/tidy.c", "buffio.h", "tidybuffio.h"
+
+    # Required due to icu4c dependency
+    ENV.cxx11
+
+    # icu4c 61.1 compatability
+    ENV.append "CPPFLAGS", "-DU_USING_ICU_NAMESPACE=1"
+
+    config_path = etc/"php/#{php_version}"
+    # Prevent system pear config from inhibiting pear install
+    (config_path/"pear.conf").delete if (config_path/"pear.conf").exist?
+
+    # Prevent homebrew from harcoding path to sed shim in phpize script
+    ENV["lt_cv_path_SED"] = "sed"
+
+    # Each extension that is built on Mojave needs a direct reference to the
+    # sdk path or it won't find the headers
+    headers_path = ""
+    headers_path = "=#{MacOS.sdk_path_if_needed}/usr" if OS.mac?
+
+    args = %W[
+      --prefix=#{prefix}
+      --localstatedir=#{var}
+      --sysconfdir=#{config_path}
+      --with-config-file-path=#{config_path}
+      --with-config-file-scan-dir=#{config_path}/conf.d
+      --with-pear=#{pkgshare}/pear
+      --enable-bcmath
+      --enable-calendar
+      --enable-dba
+      --enable-debug
+      --enable-exif
+      --enable-ftp
+      --enable-fpm
+      --enable-intl
+      --enable-mbregex
+      --enable-mbstring
+      --enable-mysqlnd
+      --enable-opcache
+      --enable-pcntl
+      --enable-phpdbg
+      --enable-shmop
+      --enable-soap
+      --enable-sockets
+      --enable-sysvmsg
+      --enable-sysvsem
+      --enable-sysvshm
+      --enable-wddx
+      --enable-zip
+      --with-apxs2=#{Formula["httpd"].opt_bin}/apxs
+      --with-curl=#{Formula["curl"].opt_prefix}
+      --with-fpm-user=_www
+      --with-fpm-group=_www
+      --with-freetype-dir=#{Formula["freetype"].opt_prefix}
+      --with-gd
+      --with-gettext=#{Formula["gettext"].opt_prefix}
+      --with-gmp=#{Formula["gmp"].opt_prefix}
+      --with-iconv#{headers_path}
+      --with-icu-dir=#{Formula["icu4c"].opt_prefix}
+      --with-jpeg-dir=#{Formula["jpeg"].opt_prefix}
+      --with-kerberos#{headers_path}
+      --with-layout=GNU
+      --with-ldap=#{Formula["openldap"].opt_prefix}
+      --with-ldap-sasl#{headers_path}
+      --with-libzip
+      --with-mhash#{headers_path}
+      --with-mysql-sock=/tmp/mysql.sock
+      --with-mysqli=mysqlnd
+      --with-mysql=mysqlnd
+      --with-openssl=#{Formula["openssl@1.1"].opt_prefix}
+      --with-pdo-dblib=#{Formula["freetds"].opt_prefix}
+      --with-pdo-mysql=mysqlnd
+      --with-pdo-odbc=unixODBC,#{Formula["unixodbc"].opt_prefix}
+      --with-pdo-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pdo-sqlite=#{Formula["sqlite"].opt_prefix}
+      --with-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pic
+      --with-png-dir=#{Formula["libpng"].opt_prefix}
+      --with-pspell=#{Formula["aspell"].opt_prefix}
+      --with-sqlite3=#{Formula["sqlite"].opt_prefix}
+      --with-tidy=#{Formula["tidy-html5"].opt_prefix}
+      --with-unixODBC=#{Formula["unixodbc"].opt_prefix}
+      --with-xmlrpc
+    ]
+
+    if OS.mac?
+      args << "--with-bz2#{headers_path}"
+      args << "--with-libedit#{headers_path}"
+      args << "--with-libxml-dir#{headers_path}"
+      args << "--with-ndbm#{headers_path}"
+      args << "--with-xsl#{headers_path}"
+      args << "--with-zlib#{headers_path}"
+    end
+
+    if OS.linux?
+      args << "--with-zlib=#{Formula["zlib"].opt_prefix}"
+      args << "--with-bzip2=#{Formula["bzip2"].opt_prefix}"
+      args << "--with-libedit=#{Formula["libedit"].opt_prefix}"
+      args << "--with-libxml-dir=#{Formula["libxml2"].opt_prefix}"
+      args << "--with-xsl=#{Formula["libxslt"].opt_prefix}"
+      args << "--without-ldap-sasl"
+      args << "--without-ndbm"
+      args << "--without-gdbm"
+    end
+
+    system "./configure", *args
+    system "make"
+    system "make", "install"
+
+    # Allow pecl to install outside of Cellar
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    orig_ext_dir = File.basename(extension_dir)
+    inreplace bin/"php-config", lib/"php", prefix/"pecl"
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", %r{; ?extension_dir = "\./"},
+        "extension_dir = \"#{HOMEBREW_PREFIX}/lib/php/pecl/#{orig_ext_dir}\""
+    end
+
+    # Use OpenSSL cert bundle
+    openssl = Formula["openssl@1.1"]
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", /; ?openssl\.cafile=/,
+        "openssl.cafile = \"#{openssl.pkgetc}/cert.pem\""
+      inreplace "php.ini-#{mode}", /; ?openssl\.capath=/,
+        "openssl.capath = \"#{openssl.pkgetc}/certs\""
+    end
+
+    config_files = {
+      "php.ini-development"   => "php.ini",
+      "php.ini-production"    => "php.ini-production",
+      "sapi/fpm/php-fpm.conf" => "php-fpm.conf",
+    }
+    config_files.each_value do |dst|
+      dst_default = config_path/"#{dst}.default"
+      rm dst_default if dst_default.exist?
+    end
+    config_path.install config_files
+
+    unless (var/"log/php-fpm.log").exist?
+      (var/"log").mkpath
+      touch var/"log/php-fpm.log"
+    end
+  end
+
+  def post_install
+    pear_prefix = pkgshare/"pear"
+    pear_files = %W[
+      #{pear_prefix}/.depdblock
+      #{pear_prefix}/.filemap
+      #{pear_prefix}/.depdb
+      #{pear_prefix}/.lock
+    ]
+
+    %W[
+      #{pear_prefix}/.channels
+      #{pear_prefix}/.channels/.alias
+    ].each do |f|
+      chmod 0755, f
+      pear_files.concat(Dir["#{f}/*"])
+    end
+
+    chmod 0644, pear_files
+
+    # Custom location for extensions installed via pecl
+    pecl_path = HOMEBREW_PREFIX/"lib/php/pecl"
+    pecl_path.mkpath
+    ln_s pecl_path, prefix/"pecl" unless (prefix/"pecl").exist?
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    php_basename = File.basename(extension_dir)
+    php_ext_dir = opt_prefix/"lib/php"/php_basename
+
+    # fix pear config to install outside cellar
+    pear_path = HOMEBREW_PREFIX/"share/pear@#{php_version}"
+    cp_r pkgshare/"pear/.", pear_path
+    {
+      "php_ini"  => etc/"php/#{php_version}/php.ini",
+      "php_dir"  => pear_path,
+      "doc_dir"  => pear_path/"doc",
+      "ext_dir"  => pecl_path/php_basename,
+      "bin_dir"  => opt_bin,
+      "data_dir" => pear_path/"data",
+      "cfg_dir"  => pear_path/"cfg",
+      "www_dir"  => pear_path/"htdocs",
+      "man_dir"  => HOMEBREW_PREFIX/"share/man",
+      "test_dir" => pear_path/"test",
+      "php_bin"  => opt_bin/"php",
+    }.each do |key, value|
+      value.mkpath if /(?<!bin|man)_dir$/.match?(key)
+      system bin/"pear", "config-set", key, value, "system"
+    end
+
+    system bin/"pear", "update-channels"
+
+    %w[
+      opcache
+    ].each do |e|
+      ext_config_path = etc/"php/#{php_version}/conf.d/ext-#{e}.ini"
+      extension_type = (e == "opcache") ? "zend_extension" : "extension"
+      if ext_config_path.exist?
+        inreplace ext_config_path,
+          /#{extension_type}=.*$/, "#{extension_type}=#{php_ext_dir}/#{e}.so"
+      else
+        ext_config_path.write <<~EOS
+          [#{e}]
+          #{extension_type}="#{php_ext_dir}/#{e}.so"
+        EOS
+      end
+    end
+  end
+
+  def caveats
+    <<~EOS
+      To enable PHP in Apache add the following to httpd.conf and restart Apache:
+          LoadModule php5_module #{opt_lib}/httpd/modules/libphp5.so
+
+          <FilesMatch \\.php$>
+              SetHandler application/x-httpd-php
+          </FilesMatch>
+
+      Finally, check DirectoryIndex includes index.php
+          DirectoryIndex index.php index.html
+
+      The php.ini and php-fpm.ini file can be found in:
+          #{etc}/php/#{php_version}/
+    EOS
+  end
+
+  def php_version
+    version.to_s.split(".")[0..1].join(".") + "-debug"
+  end
+
+  plist_options manual: "php-fpm"
+  service do
+    run [opt_sbin/"php-fpm", "--nodaemonize"]
+    run_type :immediate
+    keep_alive true
+    error_log_path var/"log/php-fpm.log"
+    working_dir var
+  end
+
+  test do
+    assert_match(/^Zend OPcache$/, shell_output("#{bin}/php -i"),
+      "Zend OPCache extension not loaded")
+    # Test related to libxml2 and
+    # https://github.com/Homebrew/homebrew-core/issues/28398
+    if OS.mac?
+      assert_includes MachO::Tools.dylibs("#{bin}/php"),
+              "#{Formula["libpq"].opt_lib}/libpq.5.dylib"
+    end
+
+    system "#{sbin}/php-fpm", "-t"
+    system "#{bin}/phpdbg", "-V"
+    system "#{bin}/php-cgi", "-m"
+    # Prevent SNMP extension to be added
+    refute_match(/^snmp$/, shell_output("#{bin}/php -m"),
+      "SNMP extension doesn't work reliably with Homebrew on High Sierra")
+    begin
+      require "socket"
+
+      server = TCPServer.new(0)
+      port = server.addr[1]
+      server_fpm = TCPServer.new(0)
+      port_fpm = server_fpm.addr[1]
+      server.close
+      server_fpm.close
+
+      expected_output = /^Hello world!$/
+      (testpath/"index.php").write <<~EOS
+        <?php
+        echo 'Hello world!' . PHP_EOL;
+        var_dump(ldap_connect());
+      EOS
+      main_config = <<~EOS
+        Listen #{port}
+        ServerName localhost:#{port}
+        DocumentRoot "#{testpath}"
+        ErrorLog "#{testpath}/httpd-error.log"
+        ServerRoot "#{Formula["httpd"].opt_prefix}"
+        PidFile "#{testpath}/httpd.pid"
+        LoadModule authz_core_module lib/httpd/modules/mod_authz_core.so
+        LoadModule unixd_module lib/httpd/modules/mod_unixd.so
+        LoadModule dir_module lib/httpd/modules/mod_dir.so
+        DirectoryIndex index.php
+      EOS
+
+      (testpath/"httpd.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_prefork_module lib/httpd/modules/mod_mpm_prefork.so
+        LoadModule php5_module #{lib}/httpd/modules/libphp5.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler application/x-httpd-php
+        </FilesMatch>
+      EOS
+
+      (testpath/"fpm.conf").write <<~EOS
+        [global]
+        daemonize=no
+        [www]
+        listen = 127.0.0.1:#{port_fpm}
+        pm = dynamic
+        pm.max_children = 5
+        pm.start_servers = 2
+        pm.min_spare_servers = 1
+        pm.max_spare_servers = 3
+      EOS
+
+      (testpath/"httpd-fpm.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_event_module lib/httpd/modules/mod_mpm_event.so
+        LoadModule proxy_module lib/httpd/modules/mod_proxy.so
+        LoadModule proxy_fcgi_module lib/httpd/modules/mod_proxy_fcgi.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler "proxy:fcgi://127.0.0.1:#{port_fpm}"
+        </FilesMatch>
+      EOS
+
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+
+      Process.kill("TERM", pid)
+      Process.wait(pid)
+
+      fpm_pid = fork do
+        exec sbin/"php-fpm", "-y", "fpm.conf"
+      end
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd-fpm.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+    ensure
+      if pid
+        Process.kill("TERM", pid)
+        Process.wait(pid)
+      end
+      if fpm_pid
+        Process.kill("TERM", fpm_pid)
+        Process.wait(fpm_pid)
+      end
+    end
+  end
+end
+
+__END__
+diff --git a/acinclude.m4 b/acinclude.m4
+index 168c465f8d..6c087d152f 100644
+--- a/acinclude.m4
++++ b/acinclude.m4
+@@ -441,7 +441,11 @@ dnl
+ dnl Adds a path to linkpath/runpath (LDFLAGS)
+ dnl
+ AC_DEFUN([PHP_ADD_LIBPATH],[
+-  if test "$1" != "/usr/$PHP_LIBDIR" && test "$1" != "/usr/lib"; then
++  case "$1" in
++  "/usr/$PHP_LIBDIR"|"/usr/lib"[)] ;;
++  /Library/Developer/CommandLineTools/SDKs/*/usr/lib[)] ;;
++  /Applications/Xcode*.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/*/usr/lib[)] ;;
++  *[)]
+     PHP_EXPAND_PATH($1, ai_p)
+     ifelse([$2],,[
+       _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
+@@ -452,8 +456,8 @@ AC_DEFUN([PHP_ADD_LIBPATH],[
+       else
+         _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
+       fi
+-    ])
+-  fi
++    ]) ;;
++  esac
+ ])
+
+ dnl
+@@ -487,7 +491,11 @@ dnl add an include path.
+ dnl if before is 1, add in the beginning of INCLUDES.
+ dnl
+ AC_DEFUN([PHP_ADD_INCLUDE],[
+-  if test "$1" != "/usr/include"; then
++  case "$1" in
++  "/usr/include"[)] ;;
++  /Library/Developer/CommandLineTools/SDKs/*/usr/include[)] ;;
++  /Applications/Xcode*.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/*/usr/include[)] ;;
++  *[)]
+     PHP_EXPAND_PATH($1, ai_p)
+     PHP_RUN_ONCE(INCLUDEPATH, $ai_p, [
+       if test "$2"; then
+@@ -495,8 +503,8 @@ AC_DEFUN([PHP_ADD_INCLUDE],[
+       else
+         INCLUDES="$INCLUDES -I$ai_p"
+       fi
+-    ])
+-  fi
++    ]) ;;
++  esac
+ ])
+
+ dnl internal, don't use
+@@ -2411,7 +2419,8 @@ AC_DEFUN([PHP_SETUP_ICONV], [
+     fi
+
+     if test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.a ||
+-       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.$SHLIB_SUFFIX_NAME
++       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.$SHLIB_SUFFIX_NAME ||
++       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.tbd
+     then
+       PHP_CHECK_LIBRARY($iconv_lib_name, libiconv, [
+         found_iconv=yes
+diff --git a/Zend/zend_compile.h b/Zend/zend_compile.h
+index a0955e34fe..09b4984f90 100644
+--- a/Zend/zend_compile.h
++++ b/Zend/zend_compile.h
+@@ -414,9 +414,6 @@ struct _zend_execute_data {
+
+ #define EX(element) execute_data.element
+
+-#define EX_TMP_VAR(ex, n)	   ((temp_variable*)(((char*)(ex)) + ((int)(n))))
+-#define EX_TMP_VAR_NUM(ex, n)  (EX_TMP_VAR(ex, 0) - (1 + (n)))
+-
+ #define EX_CV_NUM(ex, n)       (((zval***)(((char*)(ex))+ZEND_MM_ALIGNED_SIZE(sizeof(zend_execute_data))))+(n))
+
+
+diff --git a/Zend/zend_execute.h b/Zend/zend_execute.h
+index a7af67bc13..ae71a5c73f 100644
+--- a/Zend/zend_execute.h
++++ b/Zend/zend_execute.h
+@@ -71,6 +71,15 @@ ZEND_API int zend_eval_stringl_ex(char *str, int str_len, zval *retval_ptr, char
+ ZEND_API char * zend_verify_arg_class_kind(const zend_arg_info *cur_arg_info, ulong fetch_type, const char **class_name, zend_class_entry **pce TSRMLS_DC);
+ ZEND_API int zend_verify_arg_error(int error_type, const zend_function *zf, zend_uint arg_num, const char *need_msg, const char *need_kind, const char *given_msg, const char *given_kind TSRMLS_DC);
+
++static zend_always_inline temp_variable *EX_TMP_VAR(void *ex, int n)
++{
++	return (temp_variable *)((zend_uintptr_t)ex + n);
++}
++static inline temp_variable *EX_TMP_VAR_NUM(void *ex, int n)
++{
++	return (temp_variable *)((zend_uintptr_t)ex - (1 + n) * sizeof(temp_variable));
++}
++
+ static zend_always_inline void i_zval_ptr_dtor(zval *zval_ptr ZEND_FILE_LINE_DC TSRMLS_DC)
+ {
+	if (!Z_DELREF_P(zval_ptr)) {
diff --git a/Formula/php@7.0-debug.rb b/Formula/php@7.0-debug.rb
new file mode 100644
index 000000000..a3d3dc0ce
--- /dev/null
+++ b/Formula/php@7.0-debug.rb
@@ -0,0 +1,520 @@
+class PhpAT70Debug < Formula
+  desc "General-purpose scripting language"
+  homepage "https://secure.php.net/"
+  url "https://github.com/shivammathur/php-src-backports/archive/7ed6a1d768f60080369d9372b500e0d1f99c57a4.tar.gz"
+  version "7.0.33"
+  sha256 "3c918b19564c25b000dbd42f1ade5c82ffb7d3e721cb97606f43cbb13ef1cdd5"
+  license "PHP-3.01"
+  revision 5
+
+  bottle do
+    root_url "https://ghcr.io/v2/shivammathur/php"
+    rebuild 5
+    sha256 arm64_monterey: "d11777fcdad0bc20ac84a3723ad1890474ae4ee5884dc80541a73102ba8504ed"
+    sha256 arm64_big_sur:  "9beb381e47c357d959d64185b49deae55ef35e6a8b4bda8381411771af158cca"
+    sha256 monterey:       "6387cd7afbcc8d4f1589f46e1aa071d89179e4e8f02946e0fc159dfb20aaf08b"
+    sha256 big_sur:        "d26988aaecbeb247ceb33796c69722bcd0a7726e5deb3868af34a24f0845d345"
+    sha256 catalina:       "98adaf5fae162d35047a41ef2d9ef6342ee79bf12696be01707e7fd765dd6ca7"
+    sha256 x86_64_linux:   "6ce829055c35ac01824b0ff006abe17d59f4d24e73989488b9cfaade24cf8523"
+  end
+
+  keg_only :versioned_formula
+
+  # This PHP version is not supported upstream as of 2019-01-10.
+  # Although, this was built with back-ported security patches,
+  # we recommended to use a currently supported PHP version.
+  # For more details, refer to https://www.php.net/eol.php
+  deprecate! date: "2019-01-10", because: :deprecated_upstream
+
+  depends_on "bison" => :build
+  depends_on "httpd" => [:build, :test]
+  depends_on "pkg-config" => :build
+  depends_on "re2c" => :build
+  depends_on "apr"
+  depends_on "apr-util"
+  depends_on "aspell"
+  depends_on "autoconf"
+  depends_on "curl"
+  depends_on "freetds"
+  depends_on "freetype"
+  depends_on "gettext"
+  depends_on "gmp"
+  depends_on "icu4c"
+  depends_on "jpeg"
+  depends_on "libpng"
+  depends_on "libpq"
+  depends_on "libtool"
+  depends_on "libzip"
+  depends_on "openldap"
+  depends_on "openssl@1.1"
+  depends_on "pcre"
+  depends_on "sqlite"
+  depends_on "tidy-html5"
+  depends_on "unixodbc"
+  depends_on "webp"
+
+  uses_from_macos "bzip2"
+  uses_from_macos "libedit"
+  uses_from_macos "libxml2"
+  uses_from_macos "libxslt"
+  uses_from_macos "zlib"
+
+  on_macos do
+    # PHP build system incorrectly links system libraries
+    # see https://github.com/php/php-src/pull/3472
+    patch :DATA
+  end
+
+  def install
+    # Work around configure issues with Xcode 12
+    # See https://bugs.php.net/bug.php?id=80171
+    ENV.append "CFLAGS", "-Wno-implicit-function-declaration"
+
+    # Workaround for https://bugs.php.net/80310
+    ENV.append "CFLAGS", "-DU_DEFINE_FALSE_AND_TRUE=1"
+    ENV.append "CXXFLAGS", "-DU_DEFINE_FALSE_AND_TRUE=1"
+
+    # buildconf required due to system library linking bug patch
+    system "./buildconf", "--force"
+
+    inreplace "configure" do |s|
+      s.gsub! "APACHE_THREADED_MPM=`$APXS_HTTPD -V | grep 'threaded:.*yes'`",
+              "APACHE_THREADED_MPM="
+      s.gsub! "APXS_LIBEXECDIR='$(INSTALL_ROOT)'`$APXS -q LIBEXECDIR`",
+              "APXS_LIBEXECDIR='$(INSTALL_ROOT)#{lib}/httpd/modules'"
+      s.gsub! "-z `$APXS -q SYSCONFDIR`",
+              "-z ''"
+      # apxs will interpolate the @ in the versioned prefix: https://bz.apache.org/bugzilla/show_bug.cgi?id=61944
+      s.gsub! "LIBEXECDIR='$APXS_LIBEXECDIR'",
+              "LIBEXECDIR='" + "#{lib}/httpd/modules".gsub("@", "\\@") + "'"
+    end
+
+    # Update error message in apache sapi to better explain the requirements
+    # of using Apache http in combination with php if the non-compatible MPM
+    # has been selected. Homebrew has chosen not to support being able to
+    # compile a thread safe version of PHP and therefore it is not
+    # possible to recompile as suggested in the original message
+    inreplace "sapi/apache2handler/sapi_apache2.c",
+              "You need to recompile PHP.",
+              "Homebrew PHP does not support a thread-safe php binary. " \
+              "To use the PHP apache sapi please change " \
+              "your httpd config to use the prefork MPM"
+
+    inreplace "sapi/fpm/php-fpm.conf.in", ";daemonize = yes", "daemonize = no"
+
+    # API compatibility with tidy-html5 v5.0.0 - https://github.com/htacg/tidy-html5/issues/224
+    inreplace "ext/tidy/tidy.c", "buffio.h", "tidybuffio.h"
+
+    # Required due to icu4c dependency
+    ENV.cxx11
+
+    # icu4c 61.1 compatability
+    ENV.append "CPPFLAGS", "-DU_USING_ICU_NAMESPACE=1"
+
+    config_path = etc/"php/#{php_version}"
+    # Prevent system pear config from inhibiting pear install
+    (config_path/"pear.conf").delete if (config_path/"pear.conf").exist?
+
+    # Prevent homebrew from harcoding path to sed shim in phpize script
+    ENV["lt_cv_path_SED"] = "sed"
+
+    # Each extension that is built on Mojave needs a direct reference to the
+    # sdk path or it won't find the headers
+    headers_path = ""
+    headers_path = "=#{MacOS.sdk_path_if_needed}/usr" if OS.mac?
+
+    args = %W[
+      --prefix=#{prefix}
+      --localstatedir=#{var}
+      --sysconfdir=#{config_path}
+      --with-config-file-path=#{config_path}
+      --with-config-file-scan-dir=#{config_path}/conf.d
+      --with-pear=#{pkgshare}/pear
+      --enable-bcmath
+      --enable-calendar
+      --enable-dba
+      --enable-debug
+      --enable-exif
+      --enable-ftp
+      --enable-fpm
+      --enable-intl
+      --enable-mbregex
+      --enable-mbstring
+      --enable-mysqlnd
+      --enable-opcache-file
+      --enable-pcntl
+      --enable-phpdbg
+      --enable-phpdbg-webhelper
+      --enable-shmop
+      --enable-soap
+      --enable-sockets
+      --enable-sysvmsg
+      --enable-sysvsem
+      --enable-sysvshm
+      --enable-wddx
+      --enable-zip
+      --with-apxs2=#{Formula["httpd"].opt_bin}/apxs
+      --with-curl=#{Formula["curl"].opt_prefix}
+      --with-fpm-user=_www
+      --with-fpm-group=_www
+      --with-freetype-dir=#{Formula["freetype"].opt_prefix}
+      --with-gd
+      --with-gettext=#{Formula["gettext"].opt_prefix}
+      --with-gmp=#{Formula["gmp"].opt_prefix}
+      --with-iconv#{headers_path}
+      --with-icu-dir=#{Formula["icu4c"].opt_prefix}
+      --with-jpeg-dir=#{Formula["jpeg"].opt_prefix}
+      --with-kerberos#{headers_path}
+      --with-layout=GNU
+      --with-ldap=#{Formula["openldap"].opt_prefix}
+      --with-ldap-sasl#{headers_path}
+      --with-libzip
+      --with-mhash#{headers_path}
+      --with-mysql-sock=/tmp/mysql.sock
+      --with-mysqli=mysqlnd
+      --with-openssl=#{Formula["openssl@1.1"].opt_prefix}
+      --with-pdo-dblib=#{Formula["freetds"].opt_prefix}
+      --with-pdo-mysql=mysqlnd
+      --with-pdo-odbc=unixODBC,#{Formula["unixodbc"].opt_prefix}
+      --with-pdo-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pdo-sqlite=#{Formula["sqlite"].opt_prefix}
+      --with-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pic
+      --with-png-dir=#{Formula["libpng"].opt_prefix}
+      --with-pspell=#{Formula["aspell"].opt_prefix}
+      --with-sqlite3=#{Formula["sqlite"].opt_prefix}
+      --with-tidy=#{Formula["tidy-html5"].opt_prefix}
+      --with-unixODBC=#{Formula["unixodbc"].opt_prefix}
+      --with-webp-dir=#{Formula["webp"].opt_prefix}
+      --with-xmlrpc
+    ]
+
+    if OS.mac?
+      args << "--enable-dtrace"
+      args << "--with-bz2#{headers_path}"
+      args << "--with-libedit#{headers_path}"
+      args << "--with-libxml-dir#{headers_path}"
+      args << "--with-ndbm#{headers_path}"
+      args << "--with-xsl#{headers_path}"
+      args << "--with-zlib#{headers_path}"
+    end
+
+    if OS.linux?
+      args << "--disable-dtrace"
+      args << "--with-zlib=#{Formula["zlib"].opt_prefix}"
+      args << "--with-bzip2=#{Formula["bzip2"].opt_prefix}"
+      args << "--with-libedit=#{Formula["libedit"].opt_prefix}"
+      args << "--with-libxml-dir=#{Formula["libxml2"].opt_prefix}"
+      args << "--with-xsl=#{Formula["libxslt"].opt_prefix}"
+      args << "--without-ldap-sasl"
+      args << "--without-ndbm"
+      args << "--without-gdbm"
+    end
+
+    system "./configure", *args
+    system "make"
+    system "make", "install"
+
+    # Allow pecl to install outside of Cellar
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    orig_ext_dir = File.basename(extension_dir)
+    inreplace bin/"php-config", lib/"php", prefix/"pecl"
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", %r{; ?extension_dir = "\./"},
+        "extension_dir = \"#{HOMEBREW_PREFIX}/lib/php/pecl/#{orig_ext_dir}\""
+    end
+
+    # Use OpenSSL cert bundle
+    openssl = Formula["openssl@1.1"]
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", /; ?openssl\.cafile=/,
+        "openssl.cafile = \"#{openssl.pkgetc}/cert.pem\""
+      inreplace "php.ini-#{mode}", /; ?openssl\.capath=/,
+        "openssl.capath = \"#{openssl.pkgetc}/certs\""
+    end
+
+    config_files = {
+      "php.ini-development"   => "php.ini",
+      "php.ini-production"    => "php.ini-production",
+      "sapi/fpm/php-fpm.conf" => "php-fpm.conf",
+      "sapi/fpm/www.conf"     => "php-fpm.d/www.conf",
+    }
+    config_files.each_value do |dst|
+      dst_default = config_path/"#{dst}.default"
+      rm dst_default if dst_default.exist?
+    end
+    config_path.install config_files
+
+    unless (var/"log/php-fpm.log").exist?
+      (var/"log").mkpath
+      touch var/"log/php-fpm.log"
+    end
+  end
+
+  def post_install
+    pear_prefix = pkgshare/"pear"
+    pear_files = %W[
+      #{pear_prefix}/.depdblock
+      #{pear_prefix}/.filemap
+      #{pear_prefix}/.depdb
+      #{pear_prefix}/.lock
+    ]
+
+    %W[
+      #{pear_prefix}/.channels
+      #{pear_prefix}/.channels/.alias
+    ].each do |f|
+      chmod 0755, f
+      pear_files.concat(Dir["#{f}/*"])
+    end
+
+    chmod 0644, pear_files
+
+    # Custom location for extensions installed via pecl
+    pecl_path = HOMEBREW_PREFIX/"lib/php/pecl"
+    pecl_path.mkpath
+    ln_s pecl_path, prefix/"pecl" unless (prefix/"pecl").exist?
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    php_basename = File.basename(extension_dir)
+    php_ext_dir = opt_prefix/"lib/php"/php_basename
+
+    # fix pear config to install outside cellar
+    pear_path = HOMEBREW_PREFIX/"share/pear@#{php_version}"
+    cp_r pkgshare/"pear/.", pear_path
+    {
+      "php_ini"  => etc/"php/#{php_version}/php.ini",
+      "php_dir"  => pear_path,
+      "doc_dir"  => pear_path/"doc",
+      "ext_dir"  => pecl_path/php_basename,
+      "bin_dir"  => opt_bin,
+      "data_dir" => pear_path/"data",
+      "cfg_dir"  => pear_path/"cfg",
+      "www_dir"  => pear_path/"htdocs",
+      "man_dir"  => HOMEBREW_PREFIX/"share/man",
+      "test_dir" => pear_path/"test",
+      "php_bin"  => opt_bin/"php",
+    }.each do |key, value|
+      value.mkpath if /(?<!bin|man)_dir$/.match?(key)
+      system bin/"pear", "config-set", key, value, "system"
+    end
+
+    system bin/"pear", "update-channels"
+
+    %w[
+      opcache
+    ].each do |e|
+      ext_config_path = etc/"php/#{php_version}/conf.d/ext-#{e}.ini"
+      extension_type = (e == "opcache") ? "zend_extension" : "extension"
+      if ext_config_path.exist?
+        inreplace ext_config_path,
+          /#{extension_type}=.*$/, "#{extension_type}=#{php_ext_dir}/#{e}.so"
+      else
+        ext_config_path.write <<~EOS
+          [#{e}]
+          #{extension_type}="#{php_ext_dir}/#{e}.so"
+        EOS
+      end
+    end
+  end
+
+  def caveats
+    <<~EOS
+      To enable PHP in Apache add the following to httpd.conf and restart Apache:
+          LoadModule php7_module #{opt_lib}/httpd/modules/libphp7.so
+
+          <FilesMatch \\.php$>
+              SetHandler application/x-httpd-php
+          </FilesMatch>
+
+      Finally, check DirectoryIndex includes index.php
+          DirectoryIndex index.php index.html
+
+      The php.ini and php-fpm.ini file can be found in:
+          #{etc}/php/#{php_version}/
+    EOS
+  end
+
+  def php_version
+    version.to_s.split(".")[0..1].join(".") + "-debug"
+  end
+
+  plist_options manual: "php-fpm"
+  service do
+    run [opt_sbin/"php-fpm", "--nodaemonize"]
+    run_type :immediate
+    keep_alive true
+    error_log_path var/"log/php-fpm.log"
+    working_dir var
+  end
+
+  test do
+    assert_match(/^Zend OPcache$/, shell_output("#{bin}/php -i"),
+      "Zend OPCache extension not loaded")
+    # Test related to libxml2 and
+    # https://github.com/Homebrew/homebrew-core/issues/28398
+    if OS.mac?
+      assert_includes MachO::Tools.dylibs("#{bin}/php"),
+              "#{Formula["libpq"].opt_lib}/libpq.5.dylib"
+    end
+
+    system "#{sbin}/php-fpm", "-t"
+    system "#{bin}/phpdbg", "-V"
+    system "#{bin}/php-cgi", "-m"
+    # Prevent SNMP extension to be added
+    refute_match(/^snmp$/, shell_output("#{bin}/php -m"),
+      "SNMP extension doesn't work reliably with Homebrew on High Sierra")
+    begin
+      require "socket"
+
+      server = TCPServer.new(0)
+      port = server.addr[1]
+      server_fpm = TCPServer.new(0)
+      port_fpm = server_fpm.addr[1]
+      server.close
+      server_fpm.close
+
+      expected_output = /^Hello world!$/
+      (testpath/"index.php").write <<~EOS
+        <?php
+        echo 'Hello world!' . PHP_EOL;
+        var_dump(ldap_connect());
+      EOS
+      main_config = <<~EOS
+        Listen #{port}
+        ServerName localhost:#{port}
+        DocumentRoot "#{testpath}"
+        ErrorLog "#{testpath}/httpd-error.log"
+        ServerRoot "#{Formula["httpd"].opt_prefix}"
+        PidFile "#{testpath}/httpd.pid"
+        LoadModule authz_core_module lib/httpd/modules/mod_authz_core.so
+        LoadModule unixd_module lib/httpd/modules/mod_unixd.so
+        LoadModule dir_module lib/httpd/modules/mod_dir.so
+        DirectoryIndex index.php
+      EOS
+
+      (testpath/"httpd.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_prefork_module lib/httpd/modules/mod_mpm_prefork.so
+        LoadModule php7_module #{lib}/httpd/modules/libphp7.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler application/x-httpd-php
+        </FilesMatch>
+      EOS
+
+      (testpath/"fpm.conf").write <<~EOS
+        [global]
+        daemonize=no
+        [www]
+        listen = 127.0.0.1:#{port_fpm}
+        pm = dynamic
+        pm.max_children = 5
+        pm.start_servers = 2
+        pm.min_spare_servers = 1
+        pm.max_spare_servers = 3
+      EOS
+
+      (testpath/"httpd-fpm.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_event_module lib/httpd/modules/mod_mpm_event.so
+        LoadModule proxy_module lib/httpd/modules/mod_proxy.so
+        LoadModule proxy_fcgi_module lib/httpd/modules/mod_proxy_fcgi.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler "proxy:fcgi://127.0.0.1:#{port_fpm}"
+        </FilesMatch>
+      EOS
+
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+
+      Process.kill("TERM", pid)
+      Process.wait(pid)
+
+      fpm_pid = fork do
+        exec sbin/"php-fpm", "-y", "fpm.conf"
+      end
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd-fpm.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+    ensure
+      if pid
+        Process.kill("TERM", pid)
+        Process.wait(pid)
+      end
+      if fpm_pid
+        Process.kill("TERM", fpm_pid)
+        Process.wait(fpm_pid)
+      end
+    end
+  end
+end
+
+__END__
+diff --git a/acinclude.m4 b/acinclude.m4
+index 168c465f8d..6c087d152f 100644
+--- a/acinclude.m4
++++ b/acinclude.m4
+@@ -441,7 +441,11 @@ dnl
+ dnl Adds a path to linkpath/runpath (LDFLAGS)
+ dnl
+ AC_DEFUN([PHP_ADD_LIBPATH],[
+-  if test "$1" != "/usr/$PHP_LIBDIR" && test "$1" != "/usr/lib"; then
++  case "$1" in
++  "/usr/$PHP_LIBDIR"|"/usr/lib"[)] ;;
++  /Library/Developer/CommandLineTools/SDKs/*/usr/lib[)] ;;
++  /Applications/Xcode*.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/*/usr/lib[)] ;;
++  *[)]
+     PHP_EXPAND_PATH($1, ai_p)
+     ifelse([$2],,[
+       _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
+@@ -452,8 +456,8 @@ AC_DEFUN([PHP_ADD_LIBPATH],[
+       else
+         _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
+       fi
+-    ])
+-  fi
++    ]) ;;
++  esac
+ ])
+
+ dnl
+@@ -487,7 +491,11 @@ dnl add an include path.
+ dnl if before is 1, add in the beginning of INCLUDES.
+ dnl
+ AC_DEFUN([PHP_ADD_INCLUDE],[
+-  if test "$1" != "/usr/include"; then
++  case "$1" in
++  "/usr/include"[)] ;;
++  /Library/Developer/CommandLineTools/SDKs/*/usr/include[)] ;;
++  /Applications/Xcode*.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/*/usr/include[)] ;;
++  *[)]
+     PHP_EXPAND_PATH($1, ai_p)
+     PHP_RUN_ONCE(INCLUDEPATH, $ai_p, [
+       if test "$2"; then
+@@ -495,8 +503,8 @@ AC_DEFUN([PHP_ADD_INCLUDE],[
+       else
+         INCLUDES="$INCLUDES -I$ai_p"
+       fi
+-    ])
+-  fi
++    ]) ;;
++  esac
+ ])
+
+ dnl internal, don't use
+@@ -2411,7 +2419,8 @@ AC_DEFUN([PHP_SETUP_ICONV], [
+     fi
+
+     if test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.a ||
+-       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.$SHLIB_SUFFIX_NAME
++       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.$SHLIB_SUFFIX_NAME ||
++       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.tbd
+     then
+       PHP_CHECK_LIBRARY($iconv_lib_name, libiconv, [
+         found_iconv=yes
diff --git a/Formula/php@7.1-debug.rb b/Formula/php@7.1-debug.rb
new file mode 100644
index 000000000..bd24a9511
--- /dev/null
+++ b/Formula/php@7.1-debug.rb
@@ -0,0 +1,513 @@
+class PhpAT71Debug < Formula
+  desc "General-purpose scripting language"
+  homepage "https://www.php.net/"
+  url "https://github.com/shivammathur/php-src-backports/archive/34a5e348a6b4ea154a4d27e51fcfa757babb4d2a.tar.gz"
+  version "7.1.33"
+  sha256 "e3220b4dd6d0d879bd391acb5ec23a2eaa5aa742bc1afa10515f7ba7a2725dee"
+  license "PHP-3.01"
+  revision 4
+
+  bottle do
+    root_url "https://ghcr.io/v2/shivammathur/php"
+    rebuild 5
+    sha256 arm64_monterey: "c935d59866e4355ffc0092303420cfef3569e20cad464b454a1f08d41414c489"
+    sha256 arm64_big_sur:  "679c51fa82b29612eb9510122c9f4ec01358b53ae5951d2b1c5b80cbeb207a1c"
+    sha256 monterey:       "3c034eb961486190a152966c0dabc7895da422c131d438baf79b3785ff20c286"
+    sha256 big_sur:        "34bf4b64f1b21d5c518b7027dab58b90bf51d3bf94fe8becc13cdf92ff29e138"
+    sha256 catalina:       "92d6fc62d3005724f45300fcc4e5b9a94cf61c0c7516bc17cfb991d062e68d70"
+    sha256 x86_64_linux:   "ac81b8cde6ad4a68a1e8212f32d96582c3338dc643eace58ef3ac23c60e4ff5f"
+  end
+
+  keg_only :versioned_formula
+
+  # This PHP version is not supported upstream as of 2019-12-01.
+  # Although, this was built with back-ported security patches,
+  # we recommended to use a currently supported PHP version.
+  # For more details, refer to https://www.php.net/eol.php
+  deprecate! date: "2019-12-01", because: :deprecated_upstream
+
+  depends_on "bison" => :build
+  depends_on "httpd" => [:build, :test]
+  depends_on "pkg-config" => :build
+  depends_on "re2c" => :build
+  depends_on "apr"
+  depends_on "apr-util"
+  depends_on "aspell"
+  depends_on "autoconf"
+  depends_on "curl"
+  depends_on "freetds"
+  depends_on "freetype"
+  depends_on "gettext"
+  depends_on "gmp"
+  depends_on "icu4c"
+  depends_on "jpeg"
+  depends_on "libpng"
+  depends_on "libpq"
+  depends_on "libtool"
+  depends_on "libzip"
+  depends_on "openldap"
+  depends_on "openssl@1.1"
+  depends_on "sqlite"
+  depends_on "tidy-html5"
+  depends_on "unixodbc"
+  depends_on "webp"
+
+  uses_from_macos "bzip2"
+  uses_from_macos "libedit"
+  uses_from_macos "libxml2"
+  uses_from_macos "libxslt"
+  uses_from_macos "zlib"
+
+  on_macos do
+    # PHP build system incorrectly links system libraries
+    # see https://github.com/php/php-src/pull/3472
+    patch :DATA
+  end
+
+  def install
+    # Work around configure issues with Xcode 12
+    # See https://bugs.php.net/bug.php?id=80171
+    ENV.append "CFLAGS", "-Wno-implicit-function-declaration"
+
+    # Workaround for https://bugs.php.net/80310
+    ENV.append "CFLAGS", "-DU_DEFINE_FALSE_AND_TRUE=1"
+    ENV.append "CXXFLAGS", "-DU_DEFINE_FALSE_AND_TRUE=1"
+
+    # buildconf required due to system library linking bug patch
+    system "./buildconf", "--force"
+
+    inreplace "configure" do |s|
+      s.gsub! "APACHE_THREADED_MPM=`$APXS_HTTPD -V | grep 'threaded:.*yes'`",
+              "APACHE_THREADED_MPM="
+      s.gsub! "APXS_LIBEXECDIR='$(INSTALL_ROOT)'`$APXS -q LIBEXECDIR`",
+              "APXS_LIBEXECDIR='$(INSTALL_ROOT)#{lib}/httpd/modules'"
+      s.gsub! "-z `$APXS -q SYSCONFDIR`",
+              "-z ''"
+      # apxs will interpolate the @ in the versioned prefix: https://bz.apache.org/bugzilla/show_bug.cgi?id=61944
+      s.gsub! "LIBEXECDIR='$APXS_LIBEXECDIR'",
+              "LIBEXECDIR='" + "#{lib}/httpd/modules".gsub("@", "\\@") + "'"
+    end
+
+    # Update error message in apache sapi to better explain the requirements
+    # of using Apache http in combination with php if the non-compatible MPM
+    # has been selected. Homebrew has chosen not to support being able to
+    # compile a thread safe version of PHP and therefore it is not
+    # possible to recompile as suggested in the original message
+    inreplace "sapi/apache2handler/sapi_apache2.c",
+              "You need to recompile PHP.",
+              "Homebrew PHP does not support a thread-safe php binary. " \
+              "To use the PHP apache sapi please change " \
+              "your httpd config to use the prefork MPM"
+
+    inreplace "sapi/fpm/php-fpm.conf.in", ";daemonize = yes", "daemonize = no"
+
+    # Required due to icu4c dependency
+    ENV.cxx11
+
+    config_path = etc/"php/#{php_version}"
+    # Prevent system pear config from inhibiting pear install
+    (config_path/"pear.conf").delete if (config_path/"pear.conf").exist?
+
+    # Prevent homebrew from harcoding path to sed shim in phpize script
+    ENV["lt_cv_path_SED"] = "sed"
+
+    # Each extension that is built on Mojave needs a direct reference to the
+    # sdk path or it won't find the headers
+    headers_path = ""
+    headers_path = "=#{MacOS.sdk_path_if_needed}/usr" if OS.mac?
+
+    args = %W[
+      --prefix=#{prefix}
+      --localstatedir=#{var}
+      --sysconfdir=#{config_path}
+      --with-config-file-path=#{config_path}
+      --with-config-file-scan-dir=#{config_path}/conf.d
+      --with-pear=#{pkgshare}/pear
+      --enable-bcmath
+      --enable-calendar
+      --enable-dba
+      --enable-debug
+      --enable-exif
+      --enable-ftp
+      --enable-fpm
+      --enable-intl
+      --enable-mbregex
+      --enable-mbstring
+      --enable-mysqlnd
+      --enable-opcache-file
+      --enable-pcntl
+      --enable-phpdbg
+      --enable-phpdbg-webhelper
+      --enable-shmop
+      --enable-soap
+      --enable-sockets
+      --enable-sysvmsg
+      --enable-sysvsem
+      --enable-sysvshm
+      --enable-wddx
+      --enable-zip
+      --with-apxs2=#{Formula["httpd"].opt_bin}/apxs
+      --with-curl=#{Formula["curl"].opt_prefix}
+      --with-fpm-user=_www
+      --with-fpm-group=_www
+      --with-freetype-dir=#{Formula["freetype"].opt_prefix}
+      --with-gd
+      --with-gettext=#{Formula["gettext"].opt_prefix}
+      --with-gmp=#{Formula["gmp"].opt_prefix}
+      --with-iconv#{headers_path}
+      --with-icu-dir=#{Formula["icu4c"].opt_prefix}
+      --with-jpeg-dir=#{Formula["jpeg"].opt_prefix}
+      --with-kerberos#{headers_path}
+      --with-layout=GNU
+      --with-ldap=#{Formula["openldap"].opt_prefix}
+      --with-ldap-sasl#{headers_path}
+      --with-libzip
+      --with-mhash#{headers_path}
+      --with-mysql-sock=/tmp/mysql.sock
+      --with-mysqli=mysqlnd
+      --with-openssl=#{Formula["openssl@1.1"].opt_prefix}
+      --with-pdo-dblib=#{Formula["freetds"].opt_prefix}
+      --with-pdo-mysql=mysqlnd
+      --with-pdo-odbc=unixODBC,#{Formula["unixodbc"].opt_prefix}
+      --with-pdo-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pdo-sqlite=#{Formula["sqlite"].opt_prefix}
+      --with-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pic
+      --with-png-dir=#{Formula["libpng"].opt_prefix}
+      --with-pspell=#{Formula["aspell"].opt_prefix}
+      --with-sqlite3=#{Formula["sqlite"].opt_prefix}
+      --with-tidy=#{Formula["tidy-html5"].opt_prefix}
+      --with-unixODBC=#{Formula["unixodbc"].opt_prefix}
+      --with-webp-dir=#{Formula["webp"].opt_prefix}
+      --with-xmlrpc
+    ]
+
+    if OS.mac?
+      args << "--enable-dtrace"
+      args << "--with-bz2#{headers_path}"
+      args << "--with-libedit#{headers_path}"
+      args << "--with-libxml-dir#{headers_path}"
+      args << "--with-ndbm#{headers_path}"
+      args << "--with-xsl#{headers_path}"
+      args << "--with-zlib#{headers_path}"
+    end
+
+    if OS.linux?
+      args << "--disable-dtrace"
+      args << "--with-zlib=#{Formula["zlib"].opt_prefix}"
+      args << "--with-bzip2=#{Formula["bzip2"].opt_prefix}"
+      args << "--with-libedit=#{Formula["libedit"].opt_prefix}"
+      args << "--with-libxml-dir=#{Formula["libxml2"].opt_prefix}"
+      args << "--with-xsl=#{Formula["libxslt"].opt_prefix}"
+      args << "--without-ldap-sasl"
+      args << "--without-ndbm"
+      args << "--without-gdbm"
+    end
+
+    system "./configure", *args
+    system "make"
+    system "make", "install"
+
+    # Allow pecl to install outside of Cellar
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    orig_ext_dir = File.basename(extension_dir)
+    inreplace bin/"php-config", lib/"php", prefix/"pecl"
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", %r{; ?extension_dir = "\./"},
+        "extension_dir = \"#{HOMEBREW_PREFIX}/lib/php/pecl/#{orig_ext_dir}\""
+    end
+
+    # Use OpenSSL cert bundle
+    openssl = Formula["openssl@1.1"]
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", /; ?openssl\.cafile=/,
+        "openssl.cafile = \"#{openssl.pkgetc}/cert.pem\""
+      inreplace "php.ini-#{mode}", /; ?openssl\.capath=/,
+        "openssl.capath = \"#{openssl.pkgetc}/certs\""
+    end
+
+    config_files = {
+      "php.ini-development"   => "php.ini",
+      "php.ini-production"    => "php.ini-production",
+      "sapi/fpm/php-fpm.conf" => "php-fpm.conf",
+      "sapi/fpm/www.conf"     => "php-fpm.d/www.conf",
+    }
+    config_files.each_value do |dst|
+      dst_default = config_path/"#{dst}.default"
+      rm dst_default if dst_default.exist?
+    end
+    config_path.install config_files
+
+    unless (var/"log/php-fpm.log").exist?
+      (var/"log").mkpath
+      touch var/"log/php-fpm.log"
+    end
+  end
+
+  def post_install
+    pear_prefix = pkgshare/"pear"
+    pear_files = %W[
+      #{pear_prefix}/.depdblock
+      #{pear_prefix}/.filemap
+      #{pear_prefix}/.depdb
+      #{pear_prefix}/.lock
+    ]
+
+    %W[
+      #{pear_prefix}/.channels
+      #{pear_prefix}/.channels/.alias
+    ].each do |f|
+      chmod 0755, f
+      pear_files.concat(Dir["#{f}/*"])
+    end
+
+    chmod 0644, pear_files
+
+    # Custom location for extensions installed via pecl
+    pecl_path = HOMEBREW_PREFIX/"lib/php/pecl"
+    pecl_path.mkpath
+    ln_s pecl_path, prefix/"pecl" unless (prefix/"pecl").exist?
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    php_basename = File.basename(extension_dir)
+    php_ext_dir = opt_prefix/"lib/php"/php_basename
+
+    # fix pear config to install outside cellar
+    pear_path = HOMEBREW_PREFIX/"share/pear@#{php_version}"
+    cp_r pkgshare/"pear/.", pear_path
+    {
+      "php_ini"  => etc/"php/#{php_version}/php.ini",
+      "php_dir"  => pear_path,
+      "doc_dir"  => pear_path/"doc",
+      "ext_dir"  => pecl_path/php_basename,
+      "bin_dir"  => opt_bin,
+      "data_dir" => pear_path/"data",
+      "cfg_dir"  => pear_path/"cfg",
+      "www_dir"  => pear_path/"htdocs",
+      "man_dir"  => HOMEBREW_PREFIX/"share/man",
+      "test_dir" => pear_path/"test",
+      "php_bin"  => opt_bin/"php",
+    }.each do |key, value|
+      value.mkpath if /(?<!bin|man)_dir$/.match?(key)
+      system bin/"pear", "config-set", key, value, "system"
+    end
+
+    system bin/"pear", "update-channels"
+
+    %w[
+      opcache
+    ].each do |e|
+      ext_config_path = etc/"php/#{php_version}/conf.d/ext-#{e}.ini"
+      extension_type = (e == "opcache") ? "zend_extension" : "extension"
+      if ext_config_path.exist?
+        inreplace ext_config_path,
+          /#{extension_type}=.*$/, "#{extension_type}=#{php_ext_dir}/#{e}.so"
+      else
+        ext_config_path.write <<~EOS
+          [#{e}]
+          #{extension_type}="#{php_ext_dir}/#{e}.so"
+        EOS
+      end
+    end
+  end
+
+  def caveats
+    <<~EOS
+      To enable PHP in Apache add the following to httpd.conf and restart Apache:
+          LoadModule php7_module #{opt_lib}/httpd/modules/libphp7.so
+
+          <FilesMatch \\.php$>
+              SetHandler application/x-httpd-php
+          </FilesMatch>
+
+      Finally, check DirectoryIndex includes index.php
+          DirectoryIndex index.php index.html
+
+      The php.ini and php-fpm.ini file can be found in:
+          #{etc}/php/#{php_version}/
+    EOS
+  end
+
+  def php_version
+    version.to_s.split(".")[0..1].join(".") + "-debug"
+  end
+
+  plist_options manual: "php-fpm"
+  service do
+    run [opt_sbin/"php-fpm", "--nodaemonize"]
+    run_type :immediate
+    keep_alive true
+    error_log_path var/"log/php-fpm.log"
+    working_dir var
+  end
+
+  test do
+    assert_match(/^Zend OPcache$/, shell_output("#{bin}/php -i"),
+      "Zend OPCache extension not loaded")
+    # Test related to libxml2 and
+    # https://github.com/Homebrew/homebrew-core/issues/28398
+    if OS.mac?
+      assert_includes MachO::Tools.dylibs("#{bin}/php"),
+              "#{Formula["libpq"].opt_lib}/libpq.5.dylib"
+    end
+
+    system "#{sbin}/php-fpm", "-t"
+    system "#{bin}/phpdbg", "-V"
+    system "#{bin}/php-cgi", "-m"
+    # Prevent SNMP extension to be added
+    refute_match(/^snmp$/, shell_output("#{bin}/php -m"),
+      "SNMP extension doesn't work reliably with Homebrew on High Sierra")
+    begin
+      require "socket"
+
+      server = TCPServer.new(0)
+      port = server.addr[1]
+      server_fpm = TCPServer.new(0)
+      port_fpm = server_fpm.addr[1]
+      server.close
+      server_fpm.close
+
+      expected_output = /^Hello world!$/
+      (testpath/"index.php").write <<~EOS
+        <?php
+        echo 'Hello world!' . PHP_EOL;
+        var_dump(ldap_connect());
+      EOS
+      main_config = <<~EOS
+        Listen #{port}
+        ServerName localhost:#{port}
+        DocumentRoot "#{testpath}"
+        ErrorLog "#{testpath}/httpd-error.log"
+        ServerRoot "#{Formula["httpd"].opt_prefix}"
+        PidFile "#{testpath}/httpd.pid"
+        LoadModule authz_core_module lib/httpd/modules/mod_authz_core.so
+        LoadModule unixd_module lib/httpd/modules/mod_unixd.so
+        LoadModule dir_module lib/httpd/modules/mod_dir.so
+        DirectoryIndex index.php
+      EOS
+
+      (testpath/"httpd.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_prefork_module lib/httpd/modules/mod_mpm_prefork.so
+        LoadModule php7_module #{lib}/httpd/modules/libphp7.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler application/x-httpd-php
+        </FilesMatch>
+      EOS
+
+      (testpath/"fpm.conf").write <<~EOS
+        [global]
+        daemonize=no
+        [www]
+        listen = 127.0.0.1:#{port_fpm}
+        pm = dynamic
+        pm.max_children = 5
+        pm.start_servers = 2
+        pm.min_spare_servers = 1
+        pm.max_spare_servers = 3
+      EOS
+
+      (testpath/"httpd-fpm.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_event_module lib/httpd/modules/mod_mpm_event.so
+        LoadModule proxy_module lib/httpd/modules/mod_proxy.so
+        LoadModule proxy_fcgi_module lib/httpd/modules/mod_proxy_fcgi.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler "proxy:fcgi://127.0.0.1:#{port_fpm}"
+        </FilesMatch>
+      EOS
+
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+
+      Process.kill("TERM", pid)
+      Process.wait(pid)
+
+      fpm_pid = fork do
+        exec sbin/"php-fpm", "-y", "fpm.conf"
+      end
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd-fpm.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+    ensure
+      if pid
+        Process.kill("TERM", pid)
+        Process.wait(pid)
+      end
+      if fpm_pid
+        Process.kill("TERM", fpm_pid)
+        Process.wait(fpm_pid)
+      end
+    end
+  end
+end
+
+__END__
+diff --git a/acinclude.m4 b/acinclude.m4
+index 168c465f8d..6c087d152f 100644
+--- a/acinclude.m4
++++ b/acinclude.m4
+@@ -441,7 +441,11 @@ dnl
+ dnl Adds a path to linkpath/runpath (LDFLAGS)
+ dnl
+ AC_DEFUN([PHP_ADD_LIBPATH],[
+-  if test "$1" != "/usr/$PHP_LIBDIR" && test "$1" != "/usr/lib"; then
++  case "$1" in
++  "/usr/$PHP_LIBDIR"|"/usr/lib"[)] ;;
++  /Library/Developer/CommandLineTools/SDKs/*/usr/lib[)] ;;
++  /Applications/Xcode*.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/*/usr/lib[)] ;;
++  *[)]
+     PHP_EXPAND_PATH($1, ai_p)
+     ifelse([$2],,[
+       _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
+@@ -452,8 +456,8 @@ AC_DEFUN([PHP_ADD_LIBPATH],[
+       else
+         _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
+       fi
+-    ])
+-  fi
++    ]) ;;
++  esac
+ ])
+
+ dnl
+@@ -487,7 +491,11 @@ dnl add an include path.
+ dnl if before is 1, add in the beginning of INCLUDES.
+ dnl
+ AC_DEFUN([PHP_ADD_INCLUDE],[
+-  if test "$1" != "/usr/include"; then
++  case "$1" in
++  "/usr/include"[)] ;;
++  /Library/Developer/CommandLineTools/SDKs/*/usr/include[)] ;;
++  /Applications/Xcode*.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/*/usr/include[)] ;;
++  *[)]
+     PHP_EXPAND_PATH($1, ai_p)
+     PHP_RUN_ONCE(INCLUDEPATH, $ai_p, [
+       if test "$2"; then
+@@ -495,8 +503,8 @@ AC_DEFUN([PHP_ADD_INCLUDE],[
+       else
+         INCLUDES="$INCLUDES -I$ai_p"
+       fi
+-    ])
+-  fi
++    ]) ;;
++  esac
+ ])
+
+ dnl internal, don't use
+@@ -2411,7 +2419,8 @@ AC_DEFUN([PHP_SETUP_ICONV], [
+     fi
+
+     if test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.a ||
+-       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.$SHLIB_SUFFIX_NAME
++       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.$SHLIB_SUFFIX_NAME ||
++       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.tbd
+     then
+       PHP_CHECK_LIBRARY($iconv_lib_name, libiconv, [
+         found_iconv=yes
diff --git a/Formula/php@7.2-debug.rb b/Formula/php@7.2-debug.rb
new file mode 100644
index 000000000..5b99bec83
--- /dev/null
+++ b/Formula/php@7.2-debug.rb
@@ -0,0 +1,508 @@
+class PhpAT72Debug < Formula
+  desc "General-purpose scripting language"
+  homepage "https://www.php.net/"
+  url "https://github.com/shivammathur/php-src-backports/archive/9441c5dbf3e4b7049f720742578bad9bd95a9571.tar.gz"
+  version "7.2.34"
+  sha256 "2e7b8049706e6d169729aafab091d98d0735767282ab44c275990418563bc160"
+  license "PHP-3.01"
+  revision 4
+
+  bottle do
+    root_url "https://ghcr.io/v2/shivammathur/php"
+    rebuild 5
+    sha256 arm64_monterey: "bbbc565fa3632534fbe54f138a06d5c969e0ee7ee2ff18d1c2ae938a787de772"
+    sha256 arm64_big_sur:  "696e563b50d6e1afb7fb6677169c2fbe9b872c1b08769abc7aadc38e2e588e66"
+    sha256 monterey:       "897e675903b3c2c788035a74adee26013a3011ed51aae8f34abce6f3f8bde36b"
+    sha256 big_sur:        "16c309a091b4248ec7ee55fd2ff4fb4b9d4c1761207f5d3c38854fb4fca07fee"
+    sha256 catalina:       "c2cc5accbb5e71346f5c6d9df80c398613fc5117c1dd6e0391eed2c5f4c8d2ce"
+    sha256 x86_64_linux:   "d0260692664683ecefecba2acceef94dd0c6305d8657365da5de2a2de164d25c"
+  end
+
+  keg_only :versioned_formula
+
+  # This PHP version is not supported upstream as of 2020-11-30.
+  # Although, this was built with back-ported security patches,
+  # we recommended to use a currently supported PHP version.
+  # For more details, refer to https://www.php.net/eol.php
+  deprecate! date: "2020-11-30", because: :deprecated_upstream
+
+  depends_on "bison" => :build
+  depends_on "httpd" => [:build, :test]
+  depends_on "pkg-config" => :build
+  depends_on "re2c" => :build
+  depends_on "apr"
+  depends_on "apr-util"
+  depends_on "argon2"
+  depends_on "aspell"
+  depends_on "autoconf"
+  depends_on "curl"
+  depends_on "freetds"
+  depends_on "freetype"
+  depends_on "gettext"
+  depends_on "gmp"
+  depends_on "icu4c"
+  depends_on "jpeg"
+  depends_on "libpng"
+  depends_on "libpq"
+  depends_on "libsodium"
+  depends_on "libzip"
+  depends_on "openldap"
+  depends_on "openssl@1.1"
+  depends_on "sqlite"
+  depends_on "tidy-html5"
+  depends_on "unixodbc"
+  depends_on "webp"
+
+  uses_from_macos "bzip2"
+  uses_from_macos "libedit"
+  uses_from_macos "libxml2"
+  uses_from_macos "libxslt"
+  uses_from_macos "zlib"
+
+  on_macos do
+    # PHP build system incorrectly links system libraries
+    # see https://github.com/php/php-src/pull/3472
+    patch :DATA
+  end
+
+  def install
+    # Work around configure issues with Xcode 12
+    # See https://bugs.php.net/bug.php?id=80171
+    ENV.append "CFLAGS", "-Wno-implicit-function-declaration"
+
+    # Workaround for https://bugs.php.net/80310
+    ENV.append "CFLAGS", "-DU_DEFINE_FALSE_AND_TRUE=1"
+    ENV.append "CXXFLAGS", "-DU_DEFINE_FALSE_AND_TRUE=1"
+
+    # buildconf required due to system library linking bug patch
+    system "./buildconf", "--force"
+
+    inreplace "configure" do |s|
+      s.gsub! "APACHE_THREADED_MPM=`$APXS_HTTPD -V | grep 'threaded:.*yes'`",
+              "APACHE_THREADED_MPM="
+      s.gsub! "APXS_LIBEXECDIR='$(INSTALL_ROOT)'`$APXS -q LIBEXECDIR`",
+              "APXS_LIBEXECDIR='$(INSTALL_ROOT)#{lib}/httpd/modules'"
+      s.gsub! "-z `$APXS -q SYSCONFDIR`",
+              "-z ''"
+
+      # apxs will interpolate the @ in the versioned prefix: https://bz.apache.org/bugzilla/show_bug.cgi?id=61944
+      s.gsub! "LIBEXECDIR='$APXS_LIBEXECDIR'",
+              "LIBEXECDIR='" + "#{lib}/httpd/modules".gsub("@", "\\@") + "'"
+    end
+
+    # Update error message in apache sapi to better explain the requirements
+    # of using Apache http in combination with php if the non-compatible MPM
+    # has been selected. Homebrew has chosen not to support being able to
+    # compile a thread safe version of PHP and therefore it is not
+    # possible to recompile as suggested in the original message
+    inreplace "sapi/apache2handler/sapi_apache2.c",
+              "You need to recompile PHP.",
+              "Homebrew PHP does not support a thread-safe php binary. " \
+              "To use the PHP apache sapi please change " \
+              "your httpd config to use the prefork MPM"
+
+    inreplace "sapi/fpm/php-fpm.conf.in", ";daemonize = yes", "daemonize = no"
+
+    # Required due to icu4c dependency
+    ENV.cxx11
+
+    config_path = etc/"php/#{version.major_minor}-debug"
+    # Prevent system pear config from inhibiting pear install
+    (config_path/"pear.conf").delete if (config_path/"pear.conf").exist?
+
+    # Prevent homebrew from harcoding path to sed shim in phpize script
+    ENV["lt_cv_path_SED"] = "sed"
+
+    # Each extension that is built on Mojave needs a direct reference to the
+    # sdk path or it won't find the headers
+    headers_path = ""
+    headers_path = "=#{MacOS.sdk_path_if_needed}/usr" if OS.mac?
+
+    args = %W[
+      --prefix=#{prefix}
+      --localstatedir=#{var}
+      --sysconfdir=#{config_path}
+      --with-config-file-path=#{config_path}
+      --with-config-file-scan-dir=#{config_path}/conf.d
+      --with-pear=#{pkgshare}/pear
+      --enable-bcmath
+      --enable-calendar
+      --enable-dba
+      --enable-debug
+      --enable-exif
+      --enable-ftp
+      --enable-fpm
+      --enable-intl
+      --enable-mbregex
+      --enable-mbstring
+      --enable-mysqlnd
+      --enable-opcache-file
+      --enable-pcntl
+      --enable-phpdbg
+      --enable-phpdbg-readline
+      --enable-phpdbg-webhelper
+      --enable-shmop
+      --enable-soap
+      --enable-sockets
+      --enable-sysvmsg
+      --enable-sysvsem
+      --enable-sysvshm
+      --enable-wddx
+      --enable-zip
+      --with-apxs2=#{Formula["httpd"].opt_bin}/apxs
+      --with-curl=#{Formula["curl"].opt_prefix}
+      --with-fpm-user=_www
+      --with-fpm-group=_www
+      --with-freetype-dir=#{Formula["freetype"].opt_prefix}
+      --with-gd
+      --with-gettext=#{Formula["gettext"].opt_prefix}
+      --with-gmp=#{Formula["gmp"].opt_prefix}
+      --with-iconv#{headers_path}
+      --with-icu-dir=#{Formula["icu4c"].opt_prefix}
+      --with-jpeg-dir=#{Formula["jpeg"].opt_prefix}
+      --with-kerberos#{headers_path}
+      --with-layout=GNU
+      --with-ldap=#{Formula["openldap"].opt_prefix}
+      --with-ldap-sasl#{headers_path}
+      --with-libzip
+      --with-mhash#{headers_path}
+      --with-mysql-sock=/tmp/mysql.sock
+      --with-mysqli=mysqlnd
+      --with-openssl=#{Formula["openssl@1.1"].opt_prefix}
+      --with-password-argon2=#{Formula["argon2"].opt_prefix}
+      --with-pdo-dblib=#{Formula["freetds"].opt_prefix}
+      --with-pdo-mysql=mysqlnd
+      --with-pdo-odbc=unixODBC,#{Formula["unixodbc"].opt_prefix}
+      --with-pdo-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pdo-sqlite=#{Formula["sqlite"].opt_prefix}
+      --with-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pic
+      --with-png-dir=#{Formula["libpng"].opt_prefix}
+      --with-pspell=#{Formula["aspell"].opt_prefix}
+      --with-sodium=#{Formula["libsodium"].opt_prefix}
+      --with-sqlite3=#{Formula["sqlite"].opt_prefix}
+      --with-tidy=#{Formula["tidy-html5"].opt_prefix}
+      --with-unixODBC=#{Formula["unixodbc"].opt_prefix}
+      --with-webp-dir=#{Formula["webp"].opt_prefix}
+      --with-xmlrpc
+    ]
+
+    if OS.mac?
+      args << "--enable-dtrace"
+      args << "--with-bz2#{headers_path}"
+      args << "--with-libedit#{headers_path}"
+      args << "--with-libxml-dir#{headers_path}"
+      args << "--with-ndbm#{headers_path}"
+      args << "--with-xsl#{headers_path}"
+      args << "--with-zlib#{headers_path}"
+    end
+
+    if OS.linux?
+      args << "--disable-dtrace"
+      args << "--with-zlib=#{Formula["zlib"].opt_prefix}"
+      args << "--with-bzip2=#{Formula["bzip2"].opt_prefix}"
+      args << "--with-libedit=#{Formula["libedit"].opt_prefix}"
+      args << "--with-libxml-dir=#{Formula["libxml2"].opt_prefix}"
+      args << "--with-xsl=#{Formula["libxslt"].opt_prefix}"
+      args << "--without-ldap-sasl"
+      args << "--without-ndbm"
+      args << "--without-gdbm"
+    end
+
+    system "./configure", *args
+    system "make"
+    system "make", "install"
+
+    # Allow pecl to install outside of Cellar
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    orig_ext_dir = File.basename(extension_dir)
+    inreplace bin/"php-config", lib/"php", prefix/"pecl"
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", %r{; ?extension_dir = "\./"},
+        "extension_dir = \"#{HOMEBREW_PREFIX}/lib/php/pecl/#{orig_ext_dir}\""
+    end
+
+    # Use OpenSSL cert bundle
+    openssl = Formula["openssl@1.1"]
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", /; ?openssl\.cafile=/,
+        "openssl.cafile = \"#{openssl.pkgetc}/cert.pem\""
+      inreplace "php.ini-#{mode}", /; ?openssl\.capath=/,
+        "openssl.capath = \"#{openssl.pkgetc}/certs\""
+    end
+
+    config_files = {
+      "php.ini-development"   => "php.ini",
+      "php.ini-production"    => "php.ini-production",
+      "sapi/fpm/php-fpm.conf" => "php-fpm.conf",
+      "sapi/fpm/www.conf"     => "php-fpm.d/www.conf",
+    }
+    config_files.each_value do |dst|
+      dst_default = config_path/"#{dst}.default"
+      rm dst_default if dst_default.exist?
+    end
+    config_path.install config_files
+
+    unless (var/"log/php-fpm.log").exist?
+      (var/"log").mkpath
+      touch var/"log/php-fpm.log"
+    end
+  end
+
+  def post_install
+    pear_prefix = pkgshare/"pear"
+    pear_files = %W[
+      #{pear_prefix}/.depdblock
+      #{pear_prefix}/.filemap
+      #{pear_prefix}/.depdb
+      #{pear_prefix}/.lock
+    ]
+
+    %W[
+      #{pear_prefix}/.channels
+      #{pear_prefix}/.channels/.alias
+    ].each do |f|
+      chmod 0755, f
+      pear_files.concat(Dir["#{f}/*"])
+    end
+
+    chmod 0644, pear_files
+
+    # Custom location for extensions installed via pecl
+    pecl_path = HOMEBREW_PREFIX/"lib/php/pecl"
+    pecl_path.mkpath
+    ln_s pecl_path, prefix/"pecl" unless (prefix/"pecl").exist?
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    php_basename = File.basename(extension_dir)
+    php_ext_dir = opt_prefix/"lib/php"/php_basename
+
+    # fix pear config to install outside cellar
+    pear_path = HOMEBREW_PREFIX/"share/pear@#{version.major_minor}-debug"
+    cp_r pkgshare/"pear/.", pear_path
+    {
+      "php_ini"  => etc/"php/#{version.major_minor}-debug/php.ini",
+      "php_dir"  => pear_path,
+      "doc_dir"  => pear_path/"doc",
+      "ext_dir"  => pecl_path/php_basename,
+      "bin_dir"  => opt_bin,
+      "data_dir" => pear_path/"data",
+      "cfg_dir"  => pear_path/"cfg",
+      "www_dir"  => pear_path/"htdocs",
+      "man_dir"  => HOMEBREW_PREFIX/"share/man",
+      "test_dir" => pear_path/"test",
+      "php_bin"  => opt_bin/"php",
+    }.each do |key, value|
+      value.mkpath if /(?<!bin|man)_dir$/.match?(key)
+      system bin/"pear", "config-set", key, value, "system"
+    end
+
+    system bin/"pear", "update-channels"
+
+    %w[
+      opcache
+    ].each do |e|
+      ext_config_path = etc/"php/#{version.major_minor}-debug/conf.d/ext-#{e}.ini"
+      extension_type = (e == "opcache") ? "zend_extension" : "extension"
+      if ext_config_path.exist?
+        inreplace ext_config_path,
+          /#{extension_type}=.*$/, "#{extension_type}=#{php_ext_dir}/#{e}.so"
+      else
+        ext_config_path.write <<~EOS
+          [#{e}]
+          #{extension_type}="#{php_ext_dir}/#{e}.so"
+        EOS
+      end
+    end
+  end
+
+  def caveats
+    <<~EOS
+      To enable PHP in Apache add the following to httpd.conf and restart Apache:
+          LoadModule php7_module #{opt_lib}/httpd/modules/libphp7.so
+
+          <FilesMatch \\.php$>
+              SetHandler application/x-httpd-php
+          </FilesMatch>
+
+      Finally, check DirectoryIndex includes index.php
+          DirectoryIndex index.php index.html
+
+      The php.ini and php-fpm.ini file can be found in:
+          #{etc}/php/#{version.major_minor}-debug/
+    EOS
+  end
+
+  plist_options manual: "php-fpm"
+  service do
+    run [opt_sbin/"php-fpm", "--nodaemonize"]
+    run_type :immediate
+    keep_alive true
+    error_log_path var/"log/php-fpm.log"
+    working_dir var
+  end
+
+  test do
+    assert_match(/^Zend OPcache$/, shell_output("#{bin}/php -i"),
+      "Zend OPCache extension not loaded")
+    # Test related to libxml2 and
+    # https://github.com/Homebrew/homebrew-core/issues/28398
+    if OS.mac?
+      assert_includes MachO::Tools.dylibs("#{bin}/php"),
+              "#{Formula["libpq"].opt_lib}/libpq.5.dylib"
+    end
+
+    system "#{sbin}/php-fpm", "-t"
+    system "#{bin}/phpdbg", "-V"
+    system "#{bin}/php-cgi", "-m"
+    # Prevent SNMP extension to be added
+    refute_match(/^snmp$/, shell_output("#{bin}/php -m"),
+      "SNMP extension doesn't work reliably with Homebrew on High Sierra")
+    begin
+      port = free_port
+      port_fpm = free_port
+
+      expected_output = /^Hello world!$/
+      (testpath/"index.php").write <<~EOS
+        <?php
+        echo 'Hello world!' . PHP_EOL;
+        var_dump(ldap_connect());
+      EOS
+      main_config = <<~EOS
+        Listen #{port}
+        ServerName localhost:#{port}
+        DocumentRoot "#{testpath}"
+        ErrorLog "#{testpath}/httpd-error.log"
+        ServerRoot "#{Formula["httpd"].opt_prefix}"
+        PidFile "#{testpath}/httpd.pid"
+        LoadModule authz_core_module lib/httpd/modules/mod_authz_core.so
+        LoadModule unixd_module lib/httpd/modules/mod_unixd.so
+        LoadModule dir_module lib/httpd/modules/mod_dir.so
+        DirectoryIndex index.php
+      EOS
+
+      (testpath/"httpd.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_prefork_module lib/httpd/modules/mod_mpm_prefork.so
+        LoadModule php7_module #{lib}/httpd/modules/libphp7.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler application/x-httpd-php
+        </FilesMatch>
+      EOS
+
+      (testpath/"fpm.conf").write <<~EOS
+        [global]
+        daemonize=no
+        [www]
+        listen = 127.0.0.1:#{port_fpm}
+        pm = dynamic
+        pm.max_children = 5
+        pm.start_servers = 2
+        pm.min_spare_servers = 1
+        pm.max_spare_servers = 3
+      EOS
+
+      (testpath/"httpd-fpm.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_event_module lib/httpd/modules/mod_mpm_event.so
+        LoadModule proxy_module lib/httpd/modules/mod_proxy.so
+        LoadModule proxy_fcgi_module lib/httpd/modules/mod_proxy_fcgi.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler "proxy:fcgi://127.0.0.1:#{port_fpm}"
+        </FilesMatch>
+      EOS
+
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+
+      Process.kill("TERM", pid)
+      Process.wait(pid)
+
+      fpm_pid = fork do
+        exec sbin/"php-fpm", "-y", "fpm.conf"
+      end
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd-fpm.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+    ensure
+      if pid
+        Process.kill("TERM", pid)
+        Process.wait(pid)
+      end
+      if fpm_pid
+        Process.kill("TERM", fpm_pid)
+        Process.wait(fpm_pid)
+      end
+    end
+  end
+end
+
+__END__
+diff --git a/acinclude.m4 b/acinclude.m4
+index 168c465f8d..6c087d152f 100644
+--- a/acinclude.m4
++++ b/acinclude.m4
+@@ -441,7 +441,11 @@ dnl
+ dnl Adds a path to linkpath/runpath (LDFLAGS)
+ dnl
+ AC_DEFUN([PHP_ADD_LIBPATH],[
+-  if test "$1" != "/usr/$PHP_LIBDIR" && test "$1" != "/usr/lib"; then
++  case "$1" in
++  "/usr/$PHP_LIBDIR"|"/usr/lib"[)] ;;
++  /Library/Developer/CommandLineTools/SDKs/*/usr/lib[)] ;;
++  /Applications/Xcode*.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/*/usr/lib[)] ;;
++  *[)]
+     PHP_EXPAND_PATH($1, ai_p)
+     ifelse([$2],,[
+       _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
+@@ -452,8 +456,8 @@ AC_DEFUN([PHP_ADD_LIBPATH],[
+       else
+         _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
+       fi
+-    ])
+-  fi
++    ]) ;;
++  esac
+ ])
+
+ dnl
+@@ -487,7 +491,11 @@ dnl add an include path.
+ dnl if before is 1, add in the beginning of INCLUDES.
+ dnl
+ AC_DEFUN([PHP_ADD_INCLUDE],[
+-  if test "$1" != "/usr/include"; then
++  case "$1" in
++  "/usr/include"[)] ;;
++  /Library/Developer/CommandLineTools/SDKs/*/usr/include[)] ;;
++  /Applications/Xcode*.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/*/usr/include[)] ;;
++  *[)]
+     PHP_EXPAND_PATH($1, ai_p)
+     PHP_RUN_ONCE(INCLUDEPATH, $ai_p, [
+       if test "$2"; then
+@@ -495,8 +503,8 @@ AC_DEFUN([PHP_ADD_INCLUDE],[
+       else
+         INCLUDES="$INCLUDES -I$ai_p"
+       fi
+-    ])
+-  fi
++    ]) ;;
++  esac
+ ])
+
+ dnl internal, don't use
+@@ -2411,7 +2419,8 @@ AC_DEFUN([PHP_SETUP_ICONV], [
+     fi
+
+     if test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.a ||
+-       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.$SHLIB_SUFFIX_NAME
++       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.$SHLIB_SUFFIX_NAME ||
++       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.tbd
+     then
+       PHP_CHECK_LIBRARY($iconv_lib_name, libiconv, [
+         found_iconv=yes
diff --git a/Formula/php@7.3-debug.rb b/Formula/php@7.3-debug.rb
new file mode 100644
index 000000000..77afa7e37
--- /dev/null
+++ b/Formula/php@7.3-debug.rb
@@ -0,0 +1,507 @@
+class PhpAT73Debug < Formula
+  desc "General-purpose scripting language"
+  homepage "https://www.php.net/"
+  url "https://github.com/shivammathur/php-src-backports/archive/44e9b81607f38d1d52cee0129ed448c0506a3aa2.tar.gz"
+  version "7.3.33"
+  sha256 "7fcfe594bb3fb48ba8060550513e494fc47b10211045ab467a63df180a095669"
+  license "PHP-3.01"
+  revision 2
+
+  bottle do
+    root_url "https://ghcr.io/v2/shivammathur/php"
+    rebuild 5
+    sha256 arm64_monterey: "dae72972099acd27c321fcebfd42d5833fc7e6a1b026375c3cc72f48b67fbbdc"
+    sha256 arm64_big_sur:  "a5f78b927d3910cf4844028c7d18db8403bdeffd7d10cd208d3fc39667b6e4d1"
+    sha256 monterey:       "e28d81e822313719034b2def96c414e8a726781073239d10da5b470c44e08674"
+    sha256 big_sur:        "525acd54b78436e906b731571e6ec1f6120f5cddf4ab5ab421bb8435ee72d8a1"
+    sha256 catalina:       "13274de1fc30a58ff89a6f90fe9b2aebc502fedb16f566f77e031bfd244d9985"
+    sha256 x86_64_linux:   "463edff3773654715f1291c6ecce2dcbca4f2771fc0296377e598f9c12251e98"
+  end
+
+  keg_only :versioned_formula
+
+  # This PHP version is not supported upstream as of 2021-12-06.
+  # Although, this was built with back-ported security patches,
+  # we recommended to use a currently supported PHP version.
+  # For more details, refer to https://www.php.net/eol.php
+  deprecate! date: "2021-12-06", because: :deprecated_upstream
+
+  depends_on "bison" => :build
+  depends_on "httpd" => [:build, :test]
+  depends_on "pkg-config" => :build
+  depends_on "re2c" => :build
+  depends_on "apr"
+  depends_on "apr-util"
+  depends_on "argon2"
+  depends_on "aspell"
+  depends_on "autoconf"
+  depends_on "curl"
+  depends_on "freetds"
+  depends_on "freetype"
+  depends_on "gettext"
+  depends_on "gmp"
+  depends_on "icu4c"
+  depends_on "jpeg"
+  depends_on "libpng"
+  depends_on "libpq"
+  depends_on "libsodium"
+  depends_on "libzip"
+  depends_on "openldap"
+  depends_on "openssl@1.1"
+  depends_on "pcre2"
+  depends_on "sqlite"
+  depends_on "tidy-html5"
+  depends_on "unixodbc"
+  depends_on "webp"
+
+  uses_from_macos "xz" => :build
+  uses_from_macos "bzip2"
+  uses_from_macos "libedit"
+  uses_from_macos "libxml2"
+  uses_from_macos "libxslt"
+  uses_from_macos "zlib"
+
+  on_macos do
+    # PHP build system incorrectly links system libraries
+    # see https://github.com/php/php-src/pull/3472
+    patch :DATA
+  end
+
+  def install
+    # buildconf required due to system library linking bug patch
+    system "./buildconf", "--force"
+
+    inreplace "configure" do |s|
+      s.gsub! "APACHE_THREADED_MPM=`$APXS_HTTPD -V | grep 'threaded:.*yes'`",
+              "APACHE_THREADED_MPM="
+      s.gsub! "APXS_LIBEXECDIR='$(INSTALL_ROOT)'`$APXS -q LIBEXECDIR`",
+              "APXS_LIBEXECDIR='$(INSTALL_ROOT)#{lib}/httpd/modules'"
+      s.gsub! "-z `$APXS -q SYSCONFDIR`",
+              "-z ''"
+
+      # apxs will interpolate the @ in the versioned prefix: https://bz.apache.org/bugzilla/show_bug.cgi?id=61944
+      s.gsub! "LIBEXECDIR='$APXS_LIBEXECDIR'",
+      "LIBEXECDIR='" + "#{lib}/httpd/modules".gsub("@", "\\@") + "'"
+    end
+
+    # Update error message in apache sapi to better explain the requirements
+    # of using Apache http in combination with php if the non-compatible MPM
+    # has been selected. Homebrew has chosen not to support being able to
+    # compile a thread safe version of PHP and therefore it is not
+    # possible to recompile as suggested in the original message
+    inreplace "sapi/apache2handler/sapi_apache2.c",
+              "You need to recompile PHP.",
+              "Homebrew PHP does not support a thread-safe php binary. " \
+              "To use the PHP apache sapi please change " \
+              "your httpd config to use the prefork MPM"
+
+    inreplace "sapi/fpm/php-fpm.conf.in", ";daemonize = yes", "daemonize = no"
+
+    # Required due to icu4c dependency
+    ENV.cxx11
+
+    config_path = etc/"php/#{version.major_minor}-debug"
+    # Prevent system pear config from inhibiting pear install
+    (config_path/"pear.conf").delete if (config_path/"pear.conf").exist?
+
+    # Prevent homebrew from harcoding path to sed shim in phpize script
+    ENV["lt_cv_path_SED"] = "sed"
+
+    # Each extension that is built on Mojave needs a direct reference to the
+    # sdk path or it won't find the headers
+    headers_path = ""
+    headers_path = "=#{MacOS.sdk_path_if_needed}/usr" if OS.mac?
+
+    args = %W[
+      --prefix=#{prefix}
+      --localstatedir=#{var}
+      --sysconfdir=#{config_path}
+      --with-config-file-path=#{config_path}
+      --with-config-file-scan-dir=#{config_path}/conf.d
+      --with-pear=#{pkgshare}/pear
+      --enable-bcmath
+      --enable-calendar
+      --enable-dba
+      --enable-debug
+      --enable-exif
+      --enable-ftp
+      --enable-fpm
+      --enable-intl
+      --enable-mbregex
+      --enable-mbstring
+      --enable-mysqlnd
+      --enable-opcache-file
+      --enable-pcntl
+      --enable-phpdbg
+      --enable-phpdbg-readline
+      --enable-phpdbg-webhelper
+      --enable-shmop
+      --enable-soap
+      --enable-sockets
+      --enable-sysvmsg
+      --enable-sysvsem
+      --enable-sysvshm
+      --enable-wddx
+      --enable-zip
+      --with-apxs2=#{Formula["httpd"].opt_bin}/apxs
+      --with-curl=#{Formula["curl"].opt_prefix}
+      --with-fpm-user=_www
+      --with-fpm-group=_www
+      --with-freetype-dir=#{Formula["freetype"].opt_prefix}
+      --with-gd
+      --with-gettext=#{Formula["gettext"].opt_prefix}
+      --with-gmp=#{Formula["gmp"].opt_prefix}
+      --with-iconv#{headers_path}
+      --with-icu-dir=#{Formula["icu4c"].opt_prefix}
+      --with-jpeg-dir=#{Formula["jpeg"].opt_prefix}
+      --with-kerberos#{headers_path}
+      --with-layout=GNU
+      --with-ldap=#{Formula["openldap"].opt_prefix}
+      --with-libzip
+      --with-mhash#{headers_path}
+      --with-mysql-sock=/tmp/mysql.sock
+      --with-mysqli=mysqlnd
+      --with-openssl=#{Formula["openssl@1.1"].opt_prefix}
+      --with-password-argon2=#{Formula["argon2"].opt_prefix}
+      --with-pcre-regex=#{Formula["pcre2"].opt_prefix}
+      --with-pdo-dblib=#{Formula["freetds"].opt_prefix}
+      --with-pdo-mysql=mysqlnd
+      --with-pdo-odbc=unixODBC,#{Formula["unixodbc"].opt_prefix}
+      --with-pdo-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pdo-sqlite=#{Formula["sqlite"].opt_prefix}
+      --with-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pic
+      --with-png-dir=#{Formula["libpng"].opt_prefix}
+      --with-pspell=#{Formula["aspell"].opt_prefix}
+      --with-sodium=#{Formula["libsodium"].opt_prefix}
+      --with-sqlite3=#{Formula["sqlite"].opt_prefix}
+      --with-tidy=#{Formula["tidy-html5"].opt_prefix}
+      --with-unixODBC=#{Formula["unixodbc"].opt_prefix}
+      --with-webp-dir=#{Formula["webp"].opt_prefix}
+      --with-xmlrpc
+    ]
+
+    if OS.mac?
+      args << "--enable-dtrace"
+      args << "--with-ldap-sasl#{headers_path}"
+      args << "--with-zlib#{headers_path}"
+      args << "--with-bz2#{headers_path}"
+      args << "--with-ndbm#{headers_path}"
+      args << "--with-libedit#{headers_path}"
+      args << "--with-libxml-dir#{headers_path}"
+      args << "--with-xsl#{headers_path}"
+    end
+    if OS.linux?
+      args << "--disable-dtrace"
+      args << "--with-zlib=#{Formula["zlib"].opt_prefix}"
+      args << "--with-bz2=#{Formula["bzip2"].opt_prefix}"
+      args << "--with-libedit=#{Formula["libedit"].opt_prefix}"
+      args << "--with-libxml-dir=#{Formula["libxml2"].opt_prefix}"
+      args << "--with-xsl=#{Formula["libxslt"].opt_prefix}"
+      args << "--without-ldap-sasl"
+      args << "--without-ndbm"
+      args << "--without-gdbm"
+    end
+
+    system "./configure", *args
+    system "make"
+    system "make", "install"
+
+    # Allow pecl to install outside of Cellar
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    orig_ext_dir = File.basename(extension_dir)
+    inreplace bin/"php-config", lib/"php", prefix/"pecl"
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", %r{; ?extension_dir = "\./"},
+        "extension_dir = \"#{HOMEBREW_PREFIX}/lib/php/pecl/#{orig_ext_dir}\""
+    end
+
+    # Use OpenSSL cert bundle
+    openssl = Formula["openssl@1.1"]
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", /; ?openssl\.cafile=/,
+        "openssl.cafile = \"#{openssl.pkgetc}/cert.pem\""
+      inreplace "php.ini-#{mode}", /; ?openssl\.capath=/,
+        "openssl.capath = \"#{openssl.pkgetc}/certs\""
+    end
+
+    # php 7.3 known bug
+    # SO discussion: https://stackoverflow.com/a/53709484/791609
+    # bug report: https://bugs.php.net/bug.php?id=77260
+    inreplace "php.ini-development", ";pcre.jit=1", "pcre.jit=0"
+
+    config_files = {
+      "php.ini-development"   => "php.ini",
+      "php.ini-production"    => "php.ini-production",
+      "sapi/fpm/php-fpm.conf" => "php-fpm.conf",
+      "sapi/fpm/www.conf"     => "php-fpm.d/www.conf",
+    }
+    config_files.each_value do |dst|
+      dst_default = config_path/"#{dst}.default"
+      rm dst_default if dst_default.exist?
+    end
+    config_path.install config_files
+
+    unless (var/"log/php-fpm.log").exist?
+      (var/"log").mkpath
+      touch var/"log/php-fpm.log"
+    end
+  end
+
+  def post_install
+    pear_prefix = pkgshare/"pear"
+    pear_files = %W[
+      #{pear_prefix}/.depdblock
+      #{pear_prefix}/.filemap
+      #{pear_prefix}/.depdb
+      #{pear_prefix}/.lock
+    ]
+
+    %W[
+      #{pear_prefix}/.channels
+      #{pear_prefix}/.channels/.alias
+    ].each do |f|
+      chmod 0755, f
+      pear_files.concat(Dir["#{f}/*"])
+    end
+
+    chmod 0644, pear_files
+
+    # Custom location for extensions installed via pecl
+    pecl_path = HOMEBREW_PREFIX/"lib/php/pecl"
+    pecl_path.mkpath
+    ln_s pecl_path, prefix/"pecl" unless (prefix/"pecl").exist?
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    php_basename = File.basename(extension_dir)
+    php_ext_dir = opt_prefix/"lib/php"/php_basename
+
+    # fix pear config to install outside cellar
+    pear_path = HOMEBREW_PREFIX/"share/pear@#{version.major_minor}-debug"
+    cp_r pkgshare/"pear/.", pear_path
+    {
+      "php_ini"  => etc/"php/#{version.major_minor}-debug/php.ini",
+      "php_dir"  => pear_path,
+      "doc_dir"  => pear_path/"doc",
+      "ext_dir"  => pecl_path/php_basename,
+      "bin_dir"  => opt_bin,
+      "data_dir" => pear_path/"data",
+      "cfg_dir"  => pear_path/"cfg",
+      "www_dir"  => pear_path/"htdocs",
+      "man_dir"  => HOMEBREW_PREFIX/"share/man",
+      "test_dir" => pear_path/"test",
+      "php_bin"  => opt_bin/"php",
+    }.each do |key, value|
+      value.mkpath if /(?<!bin|man)_dir$/.match?(key)
+      system bin/"pear", "config-set", key, value, "system"
+    end
+
+    system bin/"pear", "update-channels"
+
+    %w[
+      opcache
+    ].each do |e|
+      ext_config_path = etc/"php/#{version.major_minor}-debug/conf.d/ext-#{e}.ini"
+      extension_type = (e == "opcache") ? "zend_extension" : "extension"
+      if ext_config_path.exist?
+        inreplace ext_config_path,
+          /#{extension_type}=.*$/, "#{extension_type}=#{php_ext_dir}/#{e}.so"
+      else
+        ext_config_path.write <<~EOS
+          [#{e}]
+          #{extension_type}="#{php_ext_dir}/#{e}.so"
+        EOS
+      end
+    end
+  end
+
+  def caveats
+    <<~EOS
+      To enable PHP in Apache add the following to httpd.conf and restart Apache:
+          LoadModule php7_module #{opt_lib}/httpd/modules/libphp7.so
+
+          <FilesMatch \\.php$>
+              SetHandler application/x-httpd-php
+          </FilesMatch>
+
+      Finally, check DirectoryIndex includes index.php
+          DirectoryIndex index.php index.html
+
+      The php.ini and php-fpm.ini file can be found in:
+          #{etc}/php/#{version.major_minor}-debug/
+    EOS
+  end
+
+  plist_options manual: "php-fpm"
+  service do
+    run [opt_sbin/"php-fpm", "--nodaemonize"]
+    run_type :immediate
+    keep_alive true
+    error_log_path var/"log/php-fpm.log"
+    working_dir var
+  end
+
+  test do
+    assert_match(/^Zend OPcache$/, shell_output("#{bin}/php -i"),
+      "Zend OPCache extension not loaded")
+    # Test related to libxml2 and
+    # https://github.com/Homebrew/homebrew-core/issues/28398
+    if OS.mac?
+      assert_includes MachO::Tools.dylibs("#{bin}/php"),
+              "#{Formula["libpq"].opt_lib}/libpq.5.dylib"
+    end
+
+    system "#{sbin}/php-fpm", "-t"
+    system "#{bin}/phpdbg", "-V"
+    system "#{bin}/php-cgi", "-m"
+    # Prevent SNMP extension to be added
+    refute_match(/^snmp$/, shell_output("#{bin}/php -m"),
+      "SNMP extension doesn't work reliably with Homebrew on High Sierra")
+    begin
+      port = free_port
+      port_fpm = free_port
+
+      expected_output = /^Hello world!$/
+      (testpath/"index.php").write <<~EOS
+        <?php
+        echo 'Hello world!' . PHP_EOL;
+        var_dump(ldap_connect());
+      EOS
+      main_config = <<~EOS
+        Listen #{port}
+        ServerName localhost:#{port}
+        DocumentRoot "#{testpath}"
+        ErrorLog "#{testpath}/httpd-error.log"
+        ServerRoot "#{Formula["httpd"].opt_prefix}"
+        PidFile "#{testpath}/httpd.pid"
+        LoadModule authz_core_module lib/httpd/modules/mod_authz_core.so
+        LoadModule unixd_module lib/httpd/modules/mod_unixd.so
+        LoadModule dir_module lib/httpd/modules/mod_dir.so
+        DirectoryIndex index.php
+      EOS
+
+      (testpath/"httpd.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_prefork_module lib/httpd/modules/mod_mpm_prefork.so
+        LoadModule php7_module #{lib}/httpd/modules/libphp7.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler application/x-httpd-php
+        </FilesMatch>
+      EOS
+
+      (testpath/"fpm.conf").write <<~EOS
+        [global]
+        daemonize=no
+        [www]
+        listen = 127.0.0.1:#{port_fpm}
+        pm = dynamic
+        pm.max_children = 5
+        pm.start_servers = 2
+        pm.min_spare_servers = 1
+        pm.max_spare_servers = 3
+      EOS
+
+      (testpath/"httpd-fpm.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_event_module lib/httpd/modules/mod_mpm_event.so
+        LoadModule proxy_module lib/httpd/modules/mod_proxy.so
+        LoadModule proxy_fcgi_module lib/httpd/modules/mod_proxy_fcgi.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler "proxy:fcgi://127.0.0.1:#{port_fpm}"
+        </FilesMatch>
+      EOS
+
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+
+      Process.kill("TERM", pid)
+      Process.wait(pid)
+
+      fpm_pid = fork do
+        exec sbin/"php-fpm", "-y", "fpm.conf"
+      end
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd-fpm.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+    ensure
+      if pid
+        Process.kill("TERM", pid)
+        Process.wait(pid)
+      end
+      if fpm_pid
+        Process.kill("TERM", fpm_pid)
+        Process.wait(fpm_pid)
+      end
+    end
+  end
+end
+
+__END__
+diff --git a/acinclude.m4 b/acinclude.m4
+index 168c465f8d..6c087d152f 100644
+--- a/acinclude.m4
++++ b/acinclude.m4
+@@ -441,7 +441,11 @@ dnl
+ dnl Adds a path to linkpath/runpath (LDFLAGS)
+ dnl
+ AC_DEFUN([PHP_ADD_LIBPATH],[
+-  if test "$1" != "/usr/$PHP_LIBDIR" && test "$1" != "/usr/lib"; then
++  case "$1" in
++  "/usr/$PHP_LIBDIR"|"/usr/lib"[)] ;;
++  /Library/Developer/CommandLineTools/SDKs/*/usr/lib[)] ;;
++  /Applications/Xcode*.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/*/usr/lib[)] ;;
++  *[)]
+     PHP_EXPAND_PATH($1, ai_p)
+     ifelse([$2],,[
+       _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
+@@ -452,8 +456,8 @@ AC_DEFUN([PHP_ADD_LIBPATH],[
+       else
+         _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
+       fi
+-    ])
+-  fi
++    ]) ;;
++  esac
+ ])
+
+ dnl
+@@ -487,7 +491,11 @@ dnl add an include path.
+ dnl if before is 1, add in the beginning of INCLUDES.
+ dnl
+ AC_DEFUN([PHP_ADD_INCLUDE],[
+-  if test "$1" != "/usr/include"; then
++  case "$1" in
++  "/usr/include"[)] ;;
++  /Library/Developer/CommandLineTools/SDKs/*/usr/include[)] ;;
++  /Applications/Xcode*.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/*/usr/include[)] ;;
++  *[)]
+     PHP_EXPAND_PATH($1, ai_p)
+     PHP_RUN_ONCE(INCLUDEPATH, $ai_p, [
+       if test "$2"; then
+@@ -495,8 +503,8 @@ AC_DEFUN([PHP_ADD_INCLUDE],[
+       else
+         INCLUDES="$INCLUDES -I$ai_p"
+       fi
+-    ])
+-  fi
++    ]) ;;
++  esac
+ ])
+
+ dnl internal, don't use
+@@ -2411,7 +2419,8 @@ AC_DEFUN([PHP_SETUP_ICONV], [
+     fi
+
+     if test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.a ||
+-       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.$SHLIB_SUFFIX_NAME
++       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.$SHLIB_SUFFIX_NAME ||
++       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.tbd
+     then
+       PHP_CHECK_LIBRARY($iconv_lib_name, libiconv, [
+         found_iconv=yes
diff --git a/Formula/php@7.4-debug.rb b/Formula/php@7.4-debug.rb
new file mode 100644
index 000000000..011ab0964
--- /dev/null
+++ b/Formula/php@7.4-debug.rb
@@ -0,0 +1,485 @@
+class PhpAT74Debug < Formula
+  desc "General-purpose scripting language"
+  homepage "https://www.php.net/"
+  # Should only be updated if the new version is announced on the homepage, https://www.php.net/
+  url "https://www.php.net/distributions/php-7.4.30.tar.xz"
+  mirror "https://fossies.org/linux/www/php-7.4.30.tar.xz"
+  sha256 "ea72a34f32c67e79ac2da7dfe96177f3c451c3eefae5810ba13312ed398ba70d"
+  license "PHP-3.01"
+
+  livecheck do
+    url "https://www.php.net/downloads"
+    regex(/href=.*?php[._-]v?(#{Regexp.escape(version.major_minor)}(?:\.\d+)*)\.t/i)
+  end
+
+  bottle do
+    root_url "https://ghcr.io/v2/shivammathur/php"
+    sha256 arm64_monterey: "70701de358c504d28b52b47a580bb53ea4afc69e9dad9f0d010a42cccd9a60aa"
+    sha256 arm64_big_sur:  "1e8e45eca925e57344f0d1e245f94b120f2ac7abb553c1efc32117b02e0e692d"
+    sha256 monterey:       "98fb28f4d0c574410e9e1c218ea4916596ce1a433f6db8b038e28795f86c2c5a"
+    sha256 big_sur:        "5a95258c2078873d4dc7c0e044d9c654e92b858b22a370c5bd60e302f52aa50e"
+    sha256 catalina:       "5d39a88e7f09c250c5154c85ae9072b7d254e19b1998f7571d7ff0b8ab3db9f4"
+    sha256 x86_64_linux:   "faa627a55e5220fd9d62152f676cba5e70720ca53eaa5e74b553b8c1d2b0edd4"
+  end
+
+  keg_only :versioned_formula
+
+  deprecate! date: "2022-11-28", because: :versioned_formula
+
+  depends_on "httpd" => [:build, :test]
+  depends_on "pkg-config" => :build
+  depends_on "apr"
+  depends_on "apr-util"
+  depends_on "argon2"
+  depends_on "aspell"
+  depends_on "autoconf"
+  depends_on "curl"
+  depends_on "freetds"
+  depends_on "gd"
+  depends_on "gettext"
+  depends_on "gmp"
+  depends_on "icu4c"
+  depends_on "krb5"
+  depends_on "libffi"
+  depends_on "libpq"
+  depends_on "libsodium"
+  depends_on "libzip"
+  depends_on "oniguruma"
+  depends_on "openldap"
+  depends_on "openssl@1.1"
+  depends_on "pcre2"
+  depends_on "sqlite"
+  depends_on "tidy-html5"
+  depends_on "unixodbc"
+
+  uses_from_macos "xz" => :build
+  uses_from_macos "bzip2"
+  uses_from_macos "libedit"
+  uses_from_macos "libffi", since: :catalina
+  uses_from_macos "libxml2"
+  uses_from_macos "libxslt"
+  uses_from_macos "zlib"
+
+  on_macos do
+    # PHP build system incorrectly links system libraries
+    # see https://github.com/php/php-src/pull/3472
+    patch :DATA
+  end
+
+  def install
+    # buildconf required due to system library linking bug patch
+    system "./buildconf", "--force"
+
+    inreplace "configure" do |s|
+      s.gsub! "APACHE_THREADED_MPM=`$APXS_HTTPD -V 2>/dev/null | grep 'threaded:.*yes'`",
+              "APACHE_THREADED_MPM="
+      s.gsub! "APXS_LIBEXECDIR='$(INSTALL_ROOT)'`$APXS -q LIBEXECDIR`",
+              "APXS_LIBEXECDIR='$(INSTALL_ROOT)#{lib}/httpd/modules'"
+      s.gsub! "-z `$APXS -q SYSCONFDIR`",
+              "-z ''"
+
+      # apxs will interpolate the @ in the versioned prefix: https://bz.apache.org/bugzilla/show_bug.cgi?id=61944
+      s.gsub! "LIBEXECDIR='$APXS_LIBEXECDIR'",
+              "LIBEXECDIR='" + "#{lib}/httpd/modules".gsub("@", "\\@") + "'"
+    end
+
+    # Update error message in apache sapi to better explain the requirements
+    # of using Apache http in combination with php if the non-compatible MPM
+    # has been selected. Homebrew has chosen not to support being able to
+    # compile a thread safe version of PHP and therefore it is not
+    # possible to recompile as suggested in the original message
+    inreplace "sapi/apache2handler/sapi_apache2.c",
+              "You need to recompile PHP.",
+              "Homebrew PHP does not support a thread-safe php binary. " \
+              "To use the PHP apache sapi please change " \
+              "your httpd config to use the prefork MPM"
+
+    inreplace "sapi/fpm/php-fpm.conf.in", ";daemonize = yes", "daemonize = no"
+
+    config_path = etc/"php/#{version.major_minor}-debug"
+    # Prevent system pear config from inhibiting pear install
+    (config_path/"pear.conf").delete if (config_path/"pear.conf").exist?
+
+    # Prevent homebrew from hardcoding path to sed shim in phpize script
+    ENV["lt_cv_path_SED"] = "sed"
+
+    # system pkg-config missing
+    ENV["KERBEROS_CFLAGS"] = " "
+    if OS.mac?
+      ENV["SASL_CFLAGS"] = "-I#{MacOS.sdk_path_if_needed}/usr/include/sasl"
+      ENV["SASL_LIBS"] = "-lsasl2"
+    end
+    if OS.linux?
+      ENV["SQLITE_CFLAGS"] = "-I#{Formula["sqlite"].opt_include}"
+      ENV["SQLITE_LIBS"] = "-lsqlite3"
+      ENV["BZIP_DIR"] = Formula["bzip2"].opt_prefix
+    end
+
+    # Each extension that is built on Mojave needs a direct reference to the
+    # sdk path or it won't find the headers
+    headers_path = ""
+    headers_path = "=#{MacOS.sdk_path_if_needed}/usr" if OS.mac?
+
+    args = %W[
+      --prefix=#{prefix}
+      --localstatedir=#{var}
+      --sysconfdir=#{config_path}
+      --with-config-file-path=#{config_path}
+      --with-config-file-scan-dir=#{config_path}/conf.d
+      --with-pear=#{pkgshare}/pear
+      --enable-bcmath
+      --enable-calendar
+      --enable-dba
+      --enable-debug
+      --enable-exif
+      --enable-ftp
+      --enable-fpm
+      --enable-gd
+      --enable-intl
+      --enable-mbregex
+      --enable-mbstring
+      --enable-mysqlnd
+      --enable-pcntl
+      --enable-phpdbg
+      --enable-phpdbg-readline
+      --enable-phpdbg-webhelper
+      --enable-shmop
+      --enable-soap
+      --enable-sockets
+      --enable-sysvmsg
+      --enable-sysvsem
+      --enable-sysvshm
+      --with-apxs2=#{Formula["httpd"].opt_bin}/apxs
+      --with-bz2#{headers_path}
+      --with-curl
+      --with-external-gd
+      --with-external-pcre
+      --with-ffi
+      --with-fpm-user=_www
+      --with-fpm-group=_www
+      --with-gettext=#{Formula["gettext"].opt_prefix}
+      --with-gmp=#{Formula["gmp"].opt_prefix}
+      --with-iconv#{headers_path}
+      --with-kerberos
+      --with-layout=GNU
+      --with-ldap=#{Formula["openldap"].opt_prefix}
+      --with-libxml
+      --with-libedit
+      --with-mhash#{headers_path}
+      --with-mysql-sock=/tmp/mysql.sock
+      --with-mysqli=mysqlnd
+      --with-ndbm#{headers_path}
+      --with-openssl
+      --with-password-argon2=#{Formula["argon2"].opt_prefix}
+      --with-pdo-dblib=#{Formula["freetds"].opt_prefix}
+      --with-pdo-mysql=mysqlnd
+      --with-pdo-odbc=unixODBC,#{Formula["unixodbc"].opt_prefix}
+      --with-pdo-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pdo-sqlite
+      --with-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pic
+      --with-pspell=#{Formula["aspell"].opt_prefix}
+      --with-sodium
+      --with-sqlite3
+      --with-tidy=#{Formula["tidy-html5"].opt_prefix}
+      --with-unixODBC
+      --with-xmlrpc
+      --with-xsl
+      --with-zip
+      --with-zlib
+    ]
+
+    if OS.mac?
+      args << "--enable-dtrace"
+      args << "--with-ldap-sasl"
+      args << "--with-os-sdkpath=#{MacOS.sdk_path_if_needed}"
+    end
+    if OS.linux?
+      args << "--disable-dtrace"
+      args << "--without-ldap-sasl"
+      args << "--without-ndbm"
+      args << "--without-gdbm"
+    end
+
+    system "./configure", *args
+    system "make"
+    system "make", "install"
+
+    # Allow pecl to install outside of Cellar
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    orig_ext_dir = File.basename(extension_dir)
+    inreplace bin/"php-config", lib/"php", prefix/"pecl"
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", %r{; ?extension_dir = "\./"},
+        "extension_dir = \"#{HOMEBREW_PREFIX}/lib/php/pecl/#{orig_ext_dir}\""
+    end
+
+    # Use OpenSSL cert bundle
+    openssl = Formula["openssl@1.1"]
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", /; ?openssl\.cafile=/,
+        "openssl.cafile = \"#{openssl.pkgetc}/cert.pem\""
+      inreplace "php.ini-#{mode}", /; ?openssl\.capath=/,
+        "openssl.capath = \"#{openssl.pkgetc}/certs\""
+    end
+
+    config_files = {
+      "php.ini-development"   => "php.ini",
+      "php.ini-production"    => "php.ini-production",
+      "sapi/fpm/php-fpm.conf" => "php-fpm.conf",
+      "sapi/fpm/www.conf"     => "php-fpm.d/www.conf",
+    }
+    config_files.each_value do |dst|
+      dst_default = config_path/"#{dst}.default"
+      rm dst_default if dst_default.exist?
+    end
+    config_path.install config_files
+
+    unless (var/"log/php-fpm.log").exist?
+      (var/"log").mkpath
+      touch var/"log/php-fpm.log"
+    end
+  end
+
+  def post_install
+    pear_prefix = pkgshare/"pear"
+    pear_files = %W[
+      #{pear_prefix}/.depdblock
+      #{pear_prefix}/.filemap
+      #{pear_prefix}/.depdb
+      #{pear_prefix}/.lock
+    ]
+
+    %W[
+      #{pear_prefix}/.channels
+      #{pear_prefix}/.channels/.alias
+    ].each do |f|
+      chmod 0755, f
+      pear_files.concat(Dir["#{f}/*"])
+    end
+
+    chmod 0644, pear_files
+
+    # Custom location for extensions installed via pecl
+    pecl_path = HOMEBREW_PREFIX/"lib/php/pecl"
+    pecl_path.mkpath
+    ln_s pecl_path, prefix/"pecl" unless (prefix/"pecl").exist?
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    php_basename = File.basename(extension_dir)
+    php_ext_dir = opt_prefix/"lib/php"/php_basename
+
+    # fix pear config to install outside cellar
+    pear_path = HOMEBREW_PREFIX/"share/pear@#{version.major_minor}-debug"
+    cp_r pkgshare/"pear/.", pear_path
+    {
+      "php_ini"  => etc/"php/#{version.major_minor}-debug/php.ini",
+      "php_dir"  => pear_path,
+      "doc_dir"  => pear_path/"doc",
+      "ext_dir"  => pecl_path/php_basename,
+      "bin_dir"  => opt_bin,
+      "data_dir" => pear_path/"data",
+      "cfg_dir"  => pear_path/"cfg",
+      "www_dir"  => pear_path/"htdocs",
+      "man_dir"  => HOMEBREW_PREFIX/"share/man",
+      "test_dir" => pear_path/"test",
+      "php_bin"  => opt_bin/"php",
+    }.each do |key, value|
+      value.mkpath if /(?<!bin|man)_dir$/.match?(key)
+      system bin/"pear", "config-set", key, value, "system"
+    end
+
+    system bin/"pear", "update-channels"
+
+    %w[
+      opcache
+    ].each do |e|
+      ext_config_path = etc/"php/#{version.major_minor}-debug/conf.d/ext-#{e}.ini"
+      extension_type = (e == "opcache") ? "zend_extension" : "extension"
+      if ext_config_path.exist?
+        inreplace ext_config_path,
+          /#{extension_type}=.*$/, "#{extension_type}=#{php_ext_dir}/#{e}.so"
+      else
+        ext_config_path.write <<~EOS
+          [#{e}]
+          #{extension_type}="#{php_ext_dir}/#{e}.so"
+        EOS
+      end
+    end
+  end
+
+  def caveats
+    <<~EOS
+      To enable PHP in Apache add the following to httpd.conf and restart Apache:
+          LoadModule php7_module #{opt_lib}/httpd/modules/libphp7.so
+
+          <FilesMatch \\.php$>
+              SetHandler application/x-httpd-php
+          </FilesMatch>
+
+      Finally, check DirectoryIndex includes index.php
+          DirectoryIndex index.php index.html
+
+      The php.ini and php-fpm.ini file can be found in:
+          #{etc}/php/#{version.major_minor}-debug/
+    EOS
+  end
+
+  plist_options manual: "php-fpm"
+  service do
+    run [opt_sbin/"php-fpm", "--nodaemonize"]
+    run_type :immediate
+    keep_alive true
+    error_log_path var/"log/php-fpm.log"
+    working_dir var
+  end
+
+  test do
+    assert_match(/^Zend OPcache$/, shell_output("#{bin}/php -i"),
+      "Zend OPCache extension not loaded")
+    # Test related to libxml2 and
+    # https://github.com/Homebrew/homebrew-core/issues/28398
+    if OS.mac?
+      assert_includes MachO::Tools.dylibs("#{bin}/php"),
+              "#{Formula["libpq"].opt_lib}/libpq.5.dylib"
+    end
+
+    system "#{sbin}/php-fpm", "-t"
+    system "#{bin}/phpdbg", "-V"
+    system "#{bin}/php-cgi", "-m"
+    # Prevent SNMP extension to be added
+    refute_match(/^snmp$/, shell_output("#{bin}/php -m"),
+      "SNMP extension doesn't work reliably with Homebrew on High Sierra")
+    begin
+      port = free_port
+      port_fpm = free_port
+
+      expected_output = /^Hello world!$/
+      (testpath/"index.php").write <<~EOS
+        <?php
+        echo 'Hello world!' . PHP_EOL;
+        var_dump(ldap_connect());
+      EOS
+      main_config = <<~EOS
+        Listen #{port}
+        ServerName localhost:#{port}
+        DocumentRoot "#{testpath}"
+        ErrorLog "#{testpath}/httpd-error.log"
+        ServerRoot "#{Formula["httpd"].opt_prefix}"
+        PidFile "#{testpath}/httpd.pid"
+        LoadModule authz_core_module lib/httpd/modules/mod_authz_core.so
+        LoadModule unixd_module lib/httpd/modules/mod_unixd.so
+        LoadModule dir_module lib/httpd/modules/mod_dir.so
+        DirectoryIndex index.php
+      EOS
+
+      php_module = if head?
+        "LoadModule php_module #{lib}/httpd/modules/libphp.so"
+      else
+        "LoadModule php7_module #{lib}/httpd/modules/libphp7.so"
+      end
+
+      (testpath/"httpd.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_prefork_module lib/httpd/modules/mod_mpm_prefork.so
+        #{php_module}
+        <FilesMatch \\.(php|phar)$>
+          SetHandler application/x-httpd-php
+        </FilesMatch>
+      EOS
+
+      (testpath/"fpm.conf").write <<~EOS
+        [global]
+        daemonize=no
+        [www]
+        listen = 127.0.0.1:#{port_fpm}
+        pm = dynamic
+        pm.max_children = 5
+        pm.start_servers = 2
+        pm.min_spare_servers = 1
+        pm.max_spare_servers = 3
+      EOS
+
+      (testpath/"httpd-fpm.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_event_module lib/httpd/modules/mod_mpm_event.so
+        LoadModule proxy_module lib/httpd/modules/mod_proxy.so
+        LoadModule proxy_fcgi_module lib/httpd/modules/mod_proxy_fcgi.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler "proxy:fcgi://127.0.0.1:#{port_fpm}"
+        </FilesMatch>
+      EOS
+
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+
+      Process.kill("TERM", pid)
+      Process.wait(pid)
+
+      fpm_pid = fork do
+        exec sbin/"php-fpm", "-y", "fpm.conf"
+      end
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd-fpm.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+    ensure
+      if pid
+        Process.kill("TERM", pid)
+        Process.wait(pid)
+      end
+      if fpm_pid
+        Process.kill("TERM", fpm_pid)
+        Process.wait(fpm_pid)
+      end
+    end
+  end
+end
+
+__END__
+diff --git a/build/php.m4 b/build/php.m4
+index 3624a33a8e..d17a635c2c 100644
+--- a/build/php.m4
++++ b/build/php.m4
+@@ -425,7 +425,7 @@ dnl
+ dnl Adds a path to linkpath/runpath (LDFLAGS).
+ dnl
+ AC_DEFUN([PHP_ADD_LIBPATH],[
+-  if test "$1" != "/usr/$PHP_LIBDIR" && test "$1" != "/usr/lib"; then
++  if test "$1" != "$PHP_OS_SDKPATH/usr/$PHP_LIBDIR" && test "$1" != "/usr/lib"; then
+     PHP_EXPAND_PATH($1, ai_p)
+     ifelse([$2],,[
+       _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
+@@ -470,7 +470,7 @@ dnl
+ dnl Add an include path. If before is 1, add in the beginning of INCLUDES.
+ dnl
+ AC_DEFUN([PHP_ADD_INCLUDE],[
+-  if test "$1" != "/usr/include"; then
++  if test "$1" != "$PHP_OS_SDKPATH/usr/include"; then
+     PHP_EXPAND_PATH($1, ai_p)
+     PHP_RUN_ONCE(INCLUDEPATH, $ai_p, [
+       if test "$2"; then
+diff --git a/configure.ac b/configure.ac
+index 36c6e5e3e2..71b1a16607 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -190,6 +190,14 @@ PHP_ARG_WITH([libdir],
+   [lib],
+   [no])
+
++dnl Support systems with system libraries/includes in e.g. /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk.
++PHP_ARG_WITH([os-sdkpath],
++  [for system SDK directory],
++  [AS_HELP_STRING([--with-os-sdkpath=NAME],
++    [Ignore system libraries and includes in NAME rather than /])],
++  [],
++  [no])
++
+ PHP_ARG_ENABLE([rpath],
+   [whether to enable runpaths],
+   [AS_HELP_STRING([--disable-rpath],
diff --git a/Formula/php@8.0-debug.rb b/Formula/php@8.0-debug.rb
new file mode 100644
index 000000000..e7dafe3d8
--- /dev/null
+++ b/Formula/php@8.0-debug.rb
@@ -0,0 +1,477 @@
+class PhpAT80Debug < Formula
+  desc "General-purpose scripting language"
+  homepage "https://www.php.net/"
+  # Should only be updated if the new version is announced on the homepage, https://www.php.net/
+  url "https://www.php.net/distributions/php-8.0.21.tar.xz"
+  mirror "https://fossies.org/linux/www/php-8.0.21.tar.xz"
+  sha256 "e87a598f157e0cf0606e64382bb91c8b30c47d4a0fc96b2c17ad547a27869b3b"
+  license "PHP-3.01"
+
+  livecheck do
+    url "https://www.php.net/downloads"
+    regex(/href=.*?php[._-]v?(#{Regexp.escape(version.major_minor)}(?:\.\d+)*)\.t/i)
+  end
+
+  bottle do
+    root_url "https://ghcr.io/v2/shivammathur/php"
+    sha256 arm64_monterey: "6f6681e2de0e1faa000c27ee1f899c5e716a75831dafd575794611269333493a"
+    sha256 arm64_big_sur:  "cdcef041095ccabc806f532386700d266b55a0dfdec5ba0ab812f955f1d80158"
+    sha256 monterey:       "9d408ea8bffa2777f8ff61c15e87eeb821efdade97de549e10620951544d886f"
+    sha256 big_sur:        "c3ec8d8f74fdb074164bcf1cd82a56234a5defd2d6c88880cd6d20be2d552d5b"
+    sha256 catalina:       "4edc18fc677eef16d839c42d99dd4f2522090a01de52f5f85b6b9df297ebe3bf"
+    sha256 x86_64_linux:   "d93ba4aee55c66a53ea5636d02b50b637e4f43cfc6cb190acba9639542fb8cd4"
+  end
+
+  keg_only :versioned_formula
+
+  deprecate! date: "2023-11-26", because: :versioned_formula
+
+  depends_on "httpd" => [:build, :test]
+  depends_on "pkg-config" => :build
+  depends_on "apr"
+  depends_on "apr-util"
+  depends_on "argon2"
+  depends_on "aspell"
+  depends_on "autoconf"
+  depends_on "curl"
+  depends_on "freetds"
+  depends_on "gd"
+  depends_on "gettext"
+  depends_on "gmp"
+  depends_on "icu4c"
+  depends_on "krb5"
+  depends_on "libpq"
+  depends_on "libsodium"
+  depends_on "libzip"
+  depends_on "oniguruma"
+  depends_on "openldap"
+  depends_on "openssl@1.1"
+  depends_on "pcre2"
+  depends_on "sqlite"
+  depends_on "tidy-html5"
+  depends_on "unixodbc"
+
+  uses_from_macos "xz" => :build
+  uses_from_macos "bzip2"
+  uses_from_macos "libedit"
+  uses_from_macos "libffi", since: :catalina
+  uses_from_macos "libxml2"
+  uses_from_macos "libxslt"
+  uses_from_macos "zlib"
+
+  on_macos do
+    # PHP build system incorrectly links system libraries
+    # see https://github.com/php/php-src/pull/3472
+    patch :DATA
+  end
+
+  def install
+    # buildconf required due to system library linking bug patch
+    system "./buildconf", "--force"
+
+    inreplace "configure" do |s|
+      s.gsub! "APACHE_THREADED_MPM=`$APXS_HTTPD -V 2>/dev/null | grep 'threaded:.*yes'`",
+              "APACHE_THREADED_MPM="
+      s.gsub! "APXS_LIBEXECDIR='$(INSTALL_ROOT)'`$APXS -q LIBEXECDIR`",
+              "APXS_LIBEXECDIR='$(INSTALL_ROOT)#{lib}/httpd/modules'"
+      s.gsub! "-z `$APXS -q SYSCONFDIR`",
+              "-z ''"
+
+      # apxs will interpolate the @ in the versioned prefix: https://bz.apache.org/bugzilla/show_bug.cgi?id=61944
+      s.gsub! "LIBEXECDIR='$APXS_LIBEXECDIR'",
+              "LIBEXECDIR='" + "#{lib}/httpd/modules".gsub("@", "\\@") + "'"
+    end
+
+    # Update error message in apache sapi to better explain the requirements
+    # of using Apache http in combination with php if the non-compatible MPM
+    # has been selected. Homebrew has chosen not to support being able to
+    # compile a thread safe version of PHP and therefore it is not
+    # possible to recompile as suggested in the original message
+    inreplace "sapi/apache2handler/sapi_apache2.c",
+              "You need to recompile PHP.",
+              "Homebrew PHP does not support a thread-safe php binary. " \
+              "To use the PHP apache sapi please change " \
+              "your httpd config to use the prefork MPM"
+
+    inreplace "sapi/fpm/php-fpm.conf.in", ";daemonize = yes", "daemonize = no"
+
+    config_path = etc/"php/#{version.major_minor}-debug"
+    # Prevent system pear config from inhibiting pear install
+    (config_path/"pear.conf").delete if (config_path/"pear.conf").exist?
+
+    # Prevent homebrew from harcoding path to sed shim in phpize script
+    ENV["lt_cv_path_SED"] = "sed"
+
+    # system pkg-config missing
+    ENV["KERBEROS_CFLAGS"] = " "
+    if OS.mac?
+      ENV["SASL_CFLAGS"] = "-I#{MacOS.sdk_path_if_needed}/usr/include/sasl"
+      ENV["SASL_LIBS"] = "-lsasl2"
+    end
+    if OS.linux?
+      ENV["SQLITE_CFLAGS"] = "-I#{Formula["sqlite"].opt_include}"
+      ENV["SQLITE_LIBS"] = "-lsqlite3"
+      ENV["BZIP_DIR"] = Formula["bzip2"].opt_prefix
+    end
+
+    # Each extension that is built on Mojave needs a direct reference to the
+    # sdk path or it won't find the headers
+    headers_path = ""
+    headers_path = "=#{MacOS.sdk_path_if_needed}/usr" if OS.mac?
+
+    args = %W[
+      --prefix=#{prefix}
+      --localstatedir=#{var}
+      --sysconfdir=#{config_path}
+      --with-config-file-path=#{config_path}
+      --with-config-file-scan-dir=#{config_path}/conf.d
+      --with-pear=#{pkgshare}/pear
+      --enable-bcmath
+      --enable-calendar
+      --enable-dba
+      --enable-debug
+      --enable-exif
+      --enable-ftp
+      --enable-fpm
+      --enable-gd
+      --enable-intl
+      --enable-mbregex
+      --enable-mbstring
+      --enable-mysqlnd
+      --enable-pcntl
+      --enable-phpdbg
+      --enable-phpdbg-readline
+      --enable-phpdbg-webhelper
+      --enable-shmop
+      --enable-soap
+      --enable-sockets
+      --enable-sysvmsg
+      --enable-sysvsem
+      --enable-sysvshm
+      --with-apxs2=#{Formula["httpd"].opt_bin}/apxs
+      --with-bz2#{headers_path}
+      --with-curl
+      --with-external-gd
+      --with-external-pcre
+      --with-ffi
+      --with-fpm-user=_www
+      --with-fpm-group=_www
+      --with-gettext=#{Formula["gettext"].opt_prefix}
+      --with-gmp=#{Formula["gmp"].opt_prefix}
+      --with-iconv#{headers_path}
+      --with-kerberos
+      --with-layout=GNU
+      --with-ldap=#{Formula["openldap"].opt_prefix}
+      --with-libxml
+      --with-libedit
+      --with-mhash#{headers_path}
+      --with-mysql-sock=/tmp/mysql.sock
+      --with-mysqli=mysqlnd
+      --with-ndbm#{headers_path}
+      --with-openssl
+      --with-password-argon2=#{Formula["argon2"].opt_prefix}
+      --with-pdo-dblib=#{Formula["freetds"].opt_prefix}
+      --with-pdo-mysql=mysqlnd
+      --with-pdo-odbc=unixODBC,#{Formula["unixodbc"].opt_prefix}
+      --with-pdo-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pdo-sqlite
+      --with-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pic
+      --with-pspell=#{Formula["aspell"].opt_prefix}
+      --with-sodium
+      --with-sqlite3
+      --with-tidy=#{Formula["tidy-html5"].opt_prefix}
+      --with-unixODBC
+      --with-xsl
+      --with-zip
+      --with-zlib
+    ]
+
+    if OS.mac?
+      args << "--enable-dtrace"
+      args << "--with-ldap-sasl"
+      args << "--with-os-sdkpath=#{MacOS.sdk_path_if_needed}"
+    end
+    if OS.linux?
+      args << "--disable-dtrace"
+      args << "--without-ldap-sasl"
+      args << "--without-ndbm"
+      args << "--without-gdbm"
+    end
+
+    system "./configure", *args
+    system "make"
+    system "make", "install"
+
+    # Allow pecl to install outside of Cellar
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    orig_ext_dir = File.basename(extension_dir)
+    inreplace bin/"php-config", lib/"php", prefix/"pecl"
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", %r{; ?extension_dir = "\./"},
+        "extension_dir = \"#{HOMEBREW_PREFIX}/lib/php/pecl/#{orig_ext_dir}\""
+    end
+
+    # Use OpenSSL cert bundle
+    openssl = Formula["openssl@1.1"]
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", /; ?openssl\.cafile=/,
+        "openssl.cafile = \"#{openssl.pkgetc}/cert.pem\""
+      inreplace "php.ini-#{mode}", /; ?openssl\.capath=/,
+        "openssl.capath = \"#{openssl.pkgetc}/certs\""
+    end
+
+    config_files = {
+      "php.ini-development"   => "php.ini",
+      "php.ini-production"    => "php.ini-production",
+      "sapi/fpm/php-fpm.conf" => "php-fpm.conf",
+      "sapi/fpm/www.conf"     => "php-fpm.d/www.conf",
+    }
+    config_files.each_value do |dst|
+      dst_default = config_path/"#{dst}.default"
+      rm dst_default if dst_default.exist?
+    end
+    config_path.install config_files
+
+    unless (var/"log/php-fpm.log").exist?
+      (var/"log").mkpath
+      touch var/"log/php-fpm.log"
+    end
+  end
+
+  def post_install
+    pear_prefix = pkgshare/"pear"
+    pear_files = %W[
+      #{pear_prefix}/.depdblock
+      #{pear_prefix}/.filemap
+      #{pear_prefix}/.depdb
+      #{pear_prefix}/.lock
+    ]
+
+    %W[
+      #{pear_prefix}/.channels
+      #{pear_prefix}/.channels/.alias
+    ].each do |f|
+      chmod 0755, f
+      pear_files.concat(Dir["#{f}/*"])
+    end
+
+    chmod 0644, pear_files
+
+    # Custom location for extensions installed via pecl
+    pecl_path = HOMEBREW_PREFIX/"lib/php/pecl"
+    pecl_path.mkpath
+    ln_s pecl_path, prefix/"pecl" unless (prefix/"pecl").exist?
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    php_basename = File.basename(extension_dir)
+    php_ext_dir = opt_prefix/"lib/php"/php_basename
+
+    # fix pear config to install outside cellar
+    pear_path = HOMEBREW_PREFIX/"share/pear@#{version.major_minor}-debug"
+    cp_r pkgshare/"pear/.", pear_path
+    {
+      "php_ini"  => etc/"php/#{version.major_minor}-debug/php.ini",
+      "php_dir"  => pear_path,
+      "doc_dir"  => pear_path/"doc",
+      "ext_dir"  => pecl_path/php_basename,
+      "bin_dir"  => opt_bin,
+      "data_dir" => pear_path/"data",
+      "cfg_dir"  => pear_path/"cfg",
+      "www_dir"  => pear_path/"htdocs",
+      "man_dir"  => HOMEBREW_PREFIX/"share/man",
+      "test_dir" => pear_path/"test",
+      "php_bin"  => opt_bin/"php",
+    }.each do |key, value|
+      value.mkpath if /(?<!bin|man)_dir$/.match?(key)
+      system bin/"pear", "config-set", key, value, "system"
+    end
+
+    system bin/"pear", "update-channels"
+
+    %w[
+      opcache
+    ].each do |e|
+      ext_config_path = etc/"php/#{version.major_minor}-debug/conf.d/ext-#{e}.ini"
+      extension_type = (e == "opcache") ? "zend_extension" : "extension"
+      if ext_config_path.exist?
+        inreplace ext_config_path,
+          /#{extension_type}=.*$/, "#{extension_type}=#{php_ext_dir}/#{e}.so"
+      else
+        ext_config_path.write <<~EOS
+          [#{e}]
+          #{extension_type}="#{php_ext_dir}/#{e}.so"
+        EOS
+      end
+    end
+  end
+
+  def caveats
+    <<~EOS
+      To enable PHP in Apache add the following to httpd.conf and restart Apache:
+          LoadModule php_module #{opt_lib}/httpd/modules/libphp.so
+
+          <FilesMatch \\.php$>
+              SetHandler application/x-httpd-php
+          </FilesMatch>
+
+      Finally, check DirectoryIndex includes index.php
+          DirectoryIndex index.php index.html
+
+      The php.ini and php-fpm.ini file can be found in:
+          #{etc}/php/#{version.major_minor}-debug/
+    EOS
+  end
+
+  plist_options manual: "php-fpm"
+  service do
+    run [opt_sbin/"php-fpm", "--nodaemonize"]
+    run_type :immediate
+    keep_alive true
+    error_log_path var/"log/php-fpm.log"
+    working_dir var
+  end
+
+  test do
+    assert_match(/^Zend OPcache$/, shell_output("#{bin}/php -i"),
+      "Zend OPCache extension not loaded")
+    # Test related to libxml2 and
+    # https://github.com/Homebrew/homebrew-core/issues/28398
+    if OS.mac?
+      assert_includes MachO::Tools.dylibs("#{bin}/php"),
+              "#{Formula["libpq"].opt_lib}/libpq.5.dylib"
+    end
+
+    system "#{sbin}/php-fpm", "-t"
+    system "#{bin}/phpdbg", "-V"
+    system "#{bin}/php-cgi", "-m"
+    # Prevent SNMP extension to be added
+    refute_match(/^snmp$/, shell_output("#{bin}/php -m"),
+      "SNMP extension doesn't work reliably with Homebrew on High Sierra")
+    begin
+      port = free_port
+      port_fpm = free_port
+
+      expected_output = /^Hello world!$/
+      (testpath/"index.php").write <<~EOS
+        <?php
+        echo 'Hello world!' . PHP_EOL;
+        var_dump(ldap_connect());
+      EOS
+      main_config = <<~EOS
+        Listen #{port}
+        ServerName localhost:#{port}
+        DocumentRoot "#{testpath}"
+        ErrorLog "#{testpath}/httpd-error.log"
+        ServerRoot "#{Formula["httpd"].opt_prefix}"
+        PidFile "#{testpath}/httpd.pid"
+        LoadModule authz_core_module lib/httpd/modules/mod_authz_core.so
+        LoadModule unixd_module lib/httpd/modules/mod_unixd.so
+        LoadModule dir_module lib/httpd/modules/mod_dir.so
+        DirectoryIndex index.php
+      EOS
+
+      (testpath/"httpd.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_prefork_module lib/httpd/modules/mod_mpm_prefork.so
+        LoadModule php_module #{lib}/httpd/modules/libphp.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler application/x-httpd-php
+        </FilesMatch>
+      EOS
+
+      (testpath/"fpm.conf").write <<~EOS
+        [global]
+        daemonize=no
+        [www]
+        listen = 127.0.0.1:#{port_fpm}
+        pm = dynamic
+        pm.max_children = 5
+        pm.start_servers = 2
+        pm.min_spare_servers = 1
+        pm.max_spare_servers = 3
+      EOS
+
+      (testpath/"httpd-fpm.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_event_module lib/httpd/modules/mod_mpm_event.so
+        LoadModule proxy_module lib/httpd/modules/mod_proxy.so
+        LoadModule proxy_fcgi_module lib/httpd/modules/mod_proxy_fcgi.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler "proxy:fcgi://127.0.0.1:#{port_fpm}"
+        </FilesMatch>
+      EOS
+
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+
+      Process.kill("TERM", pid)
+      Process.wait(pid)
+
+      fpm_pid = fork do
+        exec sbin/"php-fpm", "-y", "fpm.conf"
+      end
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd-fpm.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+    ensure
+      if pid
+        Process.kill("TERM", pid)
+        Process.wait(pid)
+      end
+      if fpm_pid
+        Process.kill("TERM", fpm_pid)
+        Process.wait(fpm_pid)
+      end
+    end
+  end
+end
+
+__END__
+diff --git a/build/php.m4 b/build/php.m4
+index 3624a33a8e..d17a635c2c 100644
+--- a/build/php.m4
++++ b/build/php.m4
+@@ -425,7 +425,7 @@ dnl
+ dnl Adds a path to linkpath/runpath (LDFLAGS).
+ dnl
+ AC_DEFUN([PHP_ADD_LIBPATH],[
+-  if test "$1" != "/usr/$PHP_LIBDIR" && test "$1" != "/usr/lib"; then
++  if test "$1" != "$PHP_OS_SDKPATH/usr/$PHP_LIBDIR" && test "$1" != "/usr/lib"; then
+     PHP_EXPAND_PATH($1, ai_p)
+     ifelse([$2],,[
+       _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
+@@ -470,7 +470,7 @@ dnl
+ dnl Add an include path. If before is 1, add in the beginning of INCLUDES.
+ dnl
+ AC_DEFUN([PHP_ADD_INCLUDE],[
+-  if test "$1" != "/usr/include"; then
++  if test "$1" != "$PHP_OS_SDKPATH/usr/include"; then
+     PHP_EXPAND_PATH($1, ai_p)
+     PHP_RUN_ONCE(INCLUDEPATH, $ai_p, [
+       if test "$2"; then
+diff --git a/configure.ac b/configure.ac
+index 36c6e5e3e2..71b1a16607 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -190,6 +190,14 @@ PHP_ARG_WITH([libdir],
+   [lib],
+   [no])
+
++dnl Support systems with system libraries/includes in e.g. /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk.
++PHP_ARG_WITH([os-sdkpath],
++  [for system SDK directory],
++  [AS_HELP_STRING([--with-os-sdkpath=NAME],
++    [Ignore system libraries and includes in NAME rather than /])],
++  [],
++  [no])
++
+ PHP_ARG_ENABLE([rpath],
+   [whether to enable runpaths],
+   [AS_HELP_STRING([--disable-rpath],
diff --git a/Formula/php@8.2-debug.rb b/Formula/php@8.2-debug.rb
new file mode 100644
index 000000000..2307b2e1f
--- /dev/null
+++ b/Formula/php@8.2-debug.rb
@@ -0,0 +1,483 @@
+class PhpAT82Debug < Formula
+  desc "General-purpose scripting language"
+  homepage "https://www.php.net/"
+  url "https://github.com/php/php-src/archive/53e71415154f9141dc5f3e894ed215159d366b1e.tar.gz?commit=53e71415154f9141dc5f3e894ed215159d366b1e"
+  version "8.2.0"
+  sha256 "cb66a174e5f9194d39a2313ab4f03cb8e458149c74be69de69c48c91403e4b89"
+  license "PHP-3.01"
+  revision 3
+
+  bottle do
+    root_url "https://ghcr.io/v2/shivammathur/php"
+    rebuild 212
+    sha256 arm64_monterey: "04d41f3d99e9a78afa69ae22fcd74abd1addb48071bb0ed66f853caf1a285187"
+    sha256 arm64_big_sur:  "e5a96bcf38161393453549f0fc4770180cddefb94c277b212a4f1c18d5cd5406"
+    sha256 monterey:       "21ee34b0eb70d4acb510fd917e4d623af277ca5e2bfa7cf9bc5255dc3cfb5586"
+    sha256 big_sur:        "8d1868cc0d58c19849897af641fa73f1f6875889d2e616ccb7a97dff4dd8e802"
+    sha256 catalina:       "a66d50a176cea34da4b82e0067ce52493680ab3d328ae8892852c89a5c533981"
+    sha256 x86_64_linux:   "51cb5068cf91e262ca0b7893a668c0b46e19fbcf90be971a40d603ca01564a4b"
+  end
+
+  keg_only :versioned_formula
+
+  depends_on "bison" => :build
+  depends_on "httpd" => [:build, :test]
+  depends_on "pkg-config" => :build
+  depends_on "re2c" => :build
+  depends_on "apr"
+  depends_on "apr-util"
+  depends_on "argon2"
+  depends_on "aspell"
+  depends_on "autoconf"
+  depends_on "curl"
+  depends_on "freetds"
+  depends_on "gd"
+  depends_on "gettext"
+  depends_on "gmp"
+  depends_on "icu4c"
+  depends_on "krb5"
+  depends_on "libpq"
+  depends_on "libsodium"
+  depends_on "libzip"
+  depends_on "oniguruma"
+  depends_on "openldap"
+  depends_on "openssl@1.1"
+  depends_on "pcre2"
+  depends_on "sqlite"
+  depends_on "tidy-html5"
+  depends_on "unixodbc"
+
+  uses_from_macos "bzip2"
+  uses_from_macos "libedit"
+  uses_from_macos "libffi", since: :catalina
+  uses_from_macos "libxml2"
+  uses_from_macos "libxslt"
+  uses_from_macos "zlib"
+
+  on_macos do
+    # PHP build system incorrectly links system libraries
+    # see https://github.com/php/php-src/pull/3472
+    patch :DATA
+  end
+
+  def install
+    # buildconf required due to system library linking bug patch
+    system "./buildconf", "--force"
+
+    inreplace "configure" do |s|
+      s.gsub! "APACHE_THREADED_MPM=`$APXS_HTTPD -V 2>/dev/null | grep 'threaded:.*yes'`",
+              "APACHE_THREADED_MPM="
+      s.gsub! "APXS_LIBEXECDIR='$(INSTALL_ROOT)'`$APXS -q LIBEXECDIR`",
+              "APXS_LIBEXECDIR='$(INSTALL_ROOT)#{lib}/httpd/modules'"
+      s.gsub! "-z `$APXS -q SYSCONFDIR`",
+              "-z ''"
+
+      # apxs will interpolate the @ in the versioned prefix: https://bz.apache.org/bugzilla/show_bug.cgi?id=61944
+      s.gsub! "LIBEXECDIR='$APXS_LIBEXECDIR'",
+              "LIBEXECDIR='" + "#{lib}/httpd/modules".gsub("@", "\\@") + "'"
+    end
+
+    # Update error message in apache sapi to better explain the requirements
+    # of using Apache http in combination with php if the non-compatible MPM
+    # has been selected. Homebrew has chosen not to support being able to
+    # compile a thread safe version of PHP and therefore it is not
+    # possible to recompile as suggested in the original message
+    inreplace "sapi/apache2handler/sapi_apache2.c",
+              "You need to recompile PHP.",
+              "Homebrew PHP does not support a thread-safe php binary. " \
+              "To use the PHP apache sapi please change " \
+              "your httpd config to use the prefork MPM"
+
+    inreplace "sapi/fpm/php-fpm.conf.in", ";daemonize = yes", "daemonize = no"
+
+    config_path = etc/"php/#{php_version}"
+    # Prevent system pear config from inhibiting pear install
+    (config_path/"pear.conf").delete if (config_path/"pear.conf").exist?
+
+    # Prevent homebrew from harcoding path to sed shim in phpize script
+    ENV["lt_cv_path_SED"] = "sed"
+
+    # system pkg-config missing
+    ENV["KERBEROS_CFLAGS"] = " "
+    if OS.mac?
+      ENV["SASL_CFLAGS"] = "-I#{MacOS.sdk_path_if_needed}/usr/include/sasl"
+      ENV["SASL_LIBS"] = "-lsasl2"
+    end
+    if OS.linux?
+      ENV["SQLITE_CFLAGS"] = "-I#{Formula["sqlite"].opt_include}"
+      ENV["SQLITE_LIBS"] = "-lsqlite3"
+      ENV["BZIP_DIR"] = Formula["bzip2"].opt_prefix
+    end
+
+    # Each extension that is built on Mojave needs a direct reference to the
+    # sdk path or it won't find the headers
+    headers_path = ""
+    headers_path = "=#{MacOS.sdk_path_if_needed}/usr" if OS.mac?
+
+    args = %W[
+      --prefix=#{prefix}
+      --localstatedir=#{var}
+      --sysconfdir=#{config_path}
+      --with-config-file-path=#{config_path}
+      --with-config-file-scan-dir=#{config_path}/conf.d
+      --with-pear=#{pkgshare}/pear
+      --enable-bcmath
+      --enable-calendar
+      --enable-dba
+      --enable-debug
+      --enable-exif
+      --enable-ftp
+      --enable-fpm
+      --enable-gd
+      --enable-intl
+      --enable-mbregex
+      --enable-mbstring
+      --enable-mysqlnd
+      --enable-opcache
+      --enable-pcntl
+      --enable-phpdbg
+      --enable-phpdbg-readline
+      --enable-phpdbg-webhelper
+      --enable-shmop
+      --enable-soap
+      --enable-sockets
+      --enable-sysvmsg
+      --enable-sysvsem
+      --enable-sysvshm
+      --with-apxs2=#{Formula["httpd"].opt_bin}/apxs
+      --with-bz2#{headers_path}
+      --with-curl
+      --with-external-gd
+      --with-external-pcre
+      --with-ffi
+      --with-fpm-user=_www
+      --with-fpm-group=_www
+      --with-gettext=#{Formula["gettext"].opt_prefix}
+      --with-gmp=#{Formula["gmp"].opt_prefix}
+      --with-iconv#{headers_path}
+      --with-kerberos
+      --with-layout=GNU
+      --with-ldap=#{Formula["openldap"].opt_prefix}
+      --with-libxml
+      --with-libedit
+      --with-mhash#{headers_path}
+      --with-mysql-sock=/tmp/mysql.sock
+      --with-mysqli=mysqlnd
+      --with-ndbm#{headers_path}
+      --with-openssl
+      --with-password-argon2
+      --with-pdo-dblib=#{Formula["freetds"].opt_prefix}
+      --with-pdo-mysql=mysqlnd
+      --with-pdo-odbc=unixODBC,#{Formula["unixodbc"].opt_prefix}
+      --with-pdo-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pdo-sqlite
+      --with-pgsql=#{Formula["libpq"].opt_prefix}
+      --with-pic
+      --with-pspell=#{Formula["aspell"].opt_prefix}
+      --with-sodium
+      --with-sqlite3
+      --with-tidy=#{Formula["tidy-html5"].opt_prefix}
+      --with-unixODBC
+      --with-xsl
+      --with-zip
+      --with-zlib
+    ]
+
+    if OS.mac?
+      args << "--enable-dtrace"
+      args << "--with-ldap-sasl"
+      args << "--with-os-sdkpath=#{MacOS.sdk_path_if_needed}"
+    end
+    if OS.linux?
+      args << "--disable-dtrace"
+      args << "--without-ldap-sasl"
+      args << "--without-ndbm"
+      args << "--without-gdbm"
+    end
+
+    system "./configure", *args
+    system "make"
+    system "make", "install"
+
+    # Allow pecl to install outside of Cellar
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    orig_ext_dir = File.basename(extension_dir)
+    inreplace bin/"php-config", lib/"php", prefix/"pecl"
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", %r{; ?extension_dir = "\./"},
+        "extension_dir = \"#{HOMEBREW_PREFIX}/lib/php/pecl/#{orig_ext_dir}\""
+    end
+
+    # Use OpenSSL cert bundle
+    openssl = Formula["openssl@1.1"]
+    %w[development production].each do |mode|
+      inreplace "php.ini-#{mode}", /; ?openssl\.cafile=/,
+        "openssl.cafile = \"#{openssl.pkgetc}/cert.pem\""
+      inreplace "php.ini-#{mode}", /; ?openssl\.capath=/,
+        "openssl.capath = \"#{openssl.pkgetc}/certs\""
+    end
+
+    config_files = {
+      "php.ini-development"   => "php.ini",
+      "php.ini-production"    => "php.ini-production",
+      "sapi/fpm/php-fpm.conf" => "php-fpm.conf",
+      "sapi/fpm/www.conf"     => "php-fpm.d/www.conf",
+    }
+    config_files.each_value do |dst|
+      dst_default = config_path/"#{dst}.default"
+      rm dst_default if dst_default.exist?
+    end
+    config_path.install config_files
+
+    unless (var/"log/php-fpm.log").exist?
+      (var/"log").mkpath
+      touch var/"log/php-fpm.log"
+    end
+  end
+
+  def post_install
+    pear_prefix = pkgshare/"pear"
+    pear_files = %W[
+      #{pear_prefix}/.depdblock
+      #{pear_prefix}/.filemap
+      #{pear_prefix}/.depdb
+      #{pear_prefix}/.lock
+    ]
+
+    %W[
+      #{pear_prefix}/.channels
+      #{pear_prefix}/.channels/.alias
+    ].each do |f|
+      chmod 0755, f
+      pear_files.concat(Dir["#{f}/*"])
+    end
+
+    chmod 0644, pear_files
+
+    # Custom location for extensions installed via pecl
+    pecl_path = HOMEBREW_PREFIX/"lib/php/pecl"
+    pecl_path.mkpath
+    ln_s pecl_path, prefix/"pecl" unless (prefix/"pecl").exist?
+    extension_dir = Utils.safe_popen_read("#{bin}/php-config", "--extension-dir").chomp
+    php_basename = File.basename(extension_dir)
+    php_ext_dir = opt_prefix/"lib/php"/php_basename
+
+    # fix pear config to install outside cellar
+    pear_path = HOMEBREW_PREFIX/"share/pear@#{php_version}"
+    cp_r pkgshare/"pear/.", pear_path
+    {
+      "php_ini"  => etc/"php/#{php_version}/php.ini",
+      "php_dir"  => pear_path,
+      "doc_dir"  => pear_path/"doc",
+      "ext_dir"  => pecl_path/php_basename,
+      "bin_dir"  => opt_bin,
+      "data_dir" => pear_path/"data",
+      "cfg_dir"  => pear_path/"cfg",
+      "www_dir"  => pear_path/"htdocs",
+      "man_dir"  => HOMEBREW_PREFIX/"share/man",
+      "test_dir" => pear_path/"test",
+      "php_bin"  => opt_bin/"php",
+    }.each do |key, value|
+      value.mkpath if /(?<!bin|man)_dir$/.match?(key)
+      system bin/"pear", "config-set", key, value, "system"
+    end
+
+    system bin/"pear", "update-channels"
+
+    %w[
+      opcache
+    ].each do |e|
+      ext_config_path = etc/"php/#{php_version}/conf.d/ext-#{e}.ini"
+      extension_type = (e == "opcache") ? "zend_extension" : "extension"
+      if ext_config_path.exist?
+        inreplace ext_config_path,
+          /#{extension_type}=.*$/, "#{extension_type}=#{php_ext_dir}/#{e}.so"
+      else
+        ext_config_path.write <<~EOS
+          [#{e}]
+          #{extension_type}="#{php_ext_dir}/#{e}.so"
+        EOS
+      end
+    end
+  end
+
+  def caveats
+    <<~EOS
+      To enable PHP in Apache add the following to httpd.conf and restart Apache:
+          LoadModule php_module #{opt_lib}/httpd/modules/libphp.so
+
+          <FilesMatch \\.php$>
+              SetHandler application/x-httpd-php
+          </FilesMatch>
+
+      Finally, check DirectoryIndex includes index.php
+          DirectoryIndex index.php index.html
+
+      The php.ini and php-fpm.ini file can be found in:
+          #{etc}/php/#{php_version}/
+    EOS
+  end
+
+  def php_version
+    version.to_s.split(".")[0..1].join(".") + "-debug"
+  end
+
+  plist_options manual: "php-fpm"
+  service do
+    run [opt_sbin/"php-fpm", "--nodaemonize"]
+    run_type :immediate
+    keep_alive true
+    error_log_path var/"log/php-fpm.log"
+    working_dir var
+  end
+
+  test do
+    assert_match(/^Zend OPcache$/, shell_output("#{bin}/php -i"),
+      "Zend OPCache extension not loaded")
+    # Test related to libxml2 and
+    # https://github.com/Homebrew/homebrew-core/issues/28398
+    if OS.mac?
+      assert_includes MachO::Tools.dylibs("#{bin}/php"),
+              "#{Formula["libpq"].opt_lib}/libpq.5.dylib"
+    end
+
+    system "#{sbin}/php-fpm", "-t"
+    system "#{bin}/phpdbg", "-V"
+    system "#{bin}/php-cgi", "-m"
+    # Prevent SNMP extension to be added
+    refute_match(/^snmp$/, shell_output("#{bin}/php -m"),
+      "SNMP extension doesn't work reliably with Homebrew on High Sierra")
+    begin
+      require "socket"
+
+      server = TCPServer.new(0)
+      port = server.addr[1]
+      server_fpm = TCPServer.new(0)
+      port_fpm = server_fpm.addr[1]
+      server.close
+      server_fpm.close
+
+      expected_output = /^Hello world!$/
+      (testpath/"index.php").write <<~EOS
+        <?php
+        echo 'Hello world!' . PHP_EOL;
+        var_dump(ldap_connect());
+      EOS
+      main_config = <<~EOS
+        Listen #{port}
+        ServerName localhost:#{port}
+        DocumentRoot "#{testpath}"
+        ErrorLog "#{testpath}/httpd-error.log"
+        ServerRoot "#{Formula["httpd"].opt_prefix}"
+        PidFile "#{testpath}/httpd.pid"
+        LoadModule authz_core_module lib/httpd/modules/mod_authz_core.so
+        LoadModule unixd_module lib/httpd/modules/mod_unixd.so
+        LoadModule dir_module lib/httpd/modules/mod_dir.so
+        DirectoryIndex index.php
+      EOS
+
+      (testpath/"httpd.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_prefork_module lib/httpd/modules/mod_mpm_prefork.so
+        LoadModule php_module #{lib}/httpd/modules/libphp.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler application/x-httpd-php
+        </FilesMatch>
+      EOS
+
+      (testpath/"fpm.conf").write <<~EOS
+        [global]
+        daemonize=no
+        [www]
+        listen = 127.0.0.1:#{port_fpm}
+        pm = dynamic
+        pm.max_children = 5
+        pm.start_servers = 2
+        pm.min_spare_servers = 1
+        pm.max_spare_servers = 3
+      EOS
+
+      (testpath/"httpd-fpm.conf").write <<~EOS
+        #{main_config}
+        LoadModule mpm_event_module lib/httpd/modules/mod_mpm_event.so
+        LoadModule proxy_module lib/httpd/modules/mod_proxy.so
+        LoadModule proxy_fcgi_module lib/httpd/modules/mod_proxy_fcgi.so
+        <FilesMatch \\.(php|phar)$>
+          SetHandler "proxy:fcgi://127.0.0.1:#{port_fpm}"
+        </FilesMatch>
+      EOS
+
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+
+      Process.kill("TERM", pid)
+      Process.wait(pid)
+
+      fpm_pid = fork do
+        exec sbin/"php-fpm", "-y", "fpm.conf"
+      end
+      pid = fork do
+        exec Formula["httpd"].opt_bin/"httpd", "-X", "-f", "#{testpath}/httpd-fpm.conf"
+      end
+      sleep 3
+
+      assert_match expected_output, shell_output("curl -s 127.0.0.1:#{port}")
+    ensure
+      if pid
+        Process.kill("TERM", pid)
+        Process.wait(pid)
+      end
+      if fpm_pid
+        Process.kill("TERM", fpm_pid)
+        Process.wait(fpm_pid)
+      end
+    end
+  end
+end
+
+__END__
+diff --git a/build/php.m4 b/build/php.m4
+index 3624a33a8e..d17a635c2c 100644
+--- a/build/php.m4
++++ b/build/php.m4
+@@ -425,7 +425,7 @@ dnl
+ dnl Adds a path to linkpath/runpath (LDFLAGS).
+ dnl
+ AC_DEFUN([PHP_ADD_LIBPATH],[
+-  if test "$1" != "/usr/$PHP_LIBDIR" && test "$1" != "/usr/lib"; then
++  if test "$1" != "$PHP_OS_SDKPATH/usr/$PHP_LIBDIR" && test "$1" != "/usr/lib"; then
+     PHP_EXPAND_PATH($1, ai_p)
+     ifelse([$2],,[
+       _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
+@@ -470,7 +470,7 @@ dnl
+ dnl Add an include path. If before is 1, add in the beginning of INCLUDES.
+ dnl
+ AC_DEFUN([PHP_ADD_INCLUDE],[
+-  if test "$1" != "/usr/include"; then
++  if test "$1" != "$PHP_OS_SDKPATH/usr/include"; then
+     PHP_EXPAND_PATH($1, ai_p)
+     PHP_RUN_ONCE(INCLUDEPATH, $ai_p, [
+       if test "$2"; then
+diff --git a/configure.ac b/configure.ac
+index 36c6e5e3e2..71b1a16607 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -190,6 +190,14 @@ PHP_ARG_WITH([libdir],
+   [lib],
+   [no])
+
++dnl Support systems with system libraries/includes in e.g. /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk.
++PHP_ARG_WITH([os-sdkpath],
++  [for system SDK directory],
++  [AS_HELP_STRING([--with-os-sdkpath=NAME],
++    [Ignore system libraries and includes in NAME rather than /])],
++  [],
++  [no])
++
+ PHP_ARG_ENABLE([rpath],
+   [whether to enable runpaths],
+   [AS_HELP_STRING([--disable-rpath],
diff --git a/README.md b/README.md
index 7ad0da968..690da8bd6 100644
--- a/README.md
+++ b/README.md
@@ -31,17 +31,22 @@
 
 ## PHP Support
 
-|PHP Version|Formula|
-|--- |--- |
-PHP 5.6|`php@5.6`|
-PHP 7.0|`php@7.0`|
-PHP 7.1|`php@7.1`|
-PHP 7.2|`php@7.2`|
-PHP 7.3|`php@7.3`|
-PHP 7.4|`php@7.4`|
-PHP 8.0|`php@8.0`|
-PHP 8.1|`php` or `php@8.1`|
-PHP 8.2.0-dev|`php@8.2`|
+|PHP Version|Formula|Debug version|
+|--- |--- |--- |
+PHP 5.6|`php@5.6`|`php@5.6-debug`|
+PHP 7.0|`php@7.0`|`php@7.0-debug`|
+PHP 7.1|`php@7.1`|`php@7.1-debug`|
+PHP 7.2|`php@7.2`|`php@7.2-debug`|
+PHP 7.3|`php@7.3`|`php@7.3-debug`|
+PHP 7.4|`php@7.4`|`php@7.4-debug`|
+PHP 8.0|`php@8.0`|`php@8.0-debug`|
+PHP 8.1|`php` or `php@8.1`|`php-debug` or `php@8.1-debug`|
+PHP 8.2.0-dev|`php@8.2`|`php@8.2-debug`|
+
+### Debug versions
+
+For each PHP version there is an extra formula with debug symbols enabled. This version can be used when building
+or debugging PHP extensions and are not recommended for production usage.
 
 ## OS Support