From 61420aab40a6ff2bdbcfb1e32656a2d5b04ee927 Mon Sep 17 00:00:00 2001
From: Joe Watkins <krakjoe@php.net>
Date: Mon, 22 Apr 2019 09:04:43 +0200
Subject: [PATCH] Add method to detect difference between current and
 configuration settings for sebastianbergmann/phpunit#3506

---
 src/Runtime.php | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/src/Runtime.php b/src/Runtime.php
index 839b66d..b92f73b 100644
--- a/src/Runtime.php
+++ b/src/Runtime.php
@@ -218,4 +218,34 @@ public function hasPCOV(): bool
     {
         return $this->isPHP() && \extension_loaded('pcov') && \ini_get('pcov.enabled');
     }
+    
+    /*
+    * Returns the current settings for the given set of php configuration values
+    */
+    public function getCurrentSettings(array $values) : array {
+        $diff  = [];
+        $files = [];
+        
+        if (($file = \php_ini_loaded_file())) {
+            $files[] = $file;
+        }
+        
+        if ($scanned = \php_ini_scanned_files()) {
+            $files = \array_merge($files, $scanned);
+        }
+
+        foreach ($files as $ini) {
+            $config = \parse_ini_file($ini, true);
+
+            foreach ($values as $value) {
+                $set = \ini_get($value);
+
+                if (isset($config[$value]) && $set != $config[$value]) {
+                    $diff[] = sprintf("%s=%s", $value, $set);
+                }
+            }
+        }
+
+        return $diff;
+    }
 }