diff --git a/docs/css-classes-reference.rst b/docs/css-classes-reference.rst
index 70d45e4dc4..9cea743642 100644
--- a/docs/css-classes-reference.rst
+++ b/docs/css-classes-reference.rst
@@ -70,6 +70,8 @@ in mind so a better choice (for best theme support) might possibly be ``string``
 +--------------------------+-------------------------------------------------------------+
 | title.function           | name of a function                                          |
 +--------------------------+-------------------------------------------------------------+
+| title.function.invoke    | name of a function (when being invoked)                     |
++--------------------------+-------------------------------------------------------------+
 | params                   | block of function arguments (parameters) at the             |
 |                          | place of declaration                                        |
 +--------------------------+-------------------------------------------------------------+
diff --git a/src/languages/php.js b/src/languages/php.js
index 4832f88d71..371ef2ae78 100644
--- a/src/languages/php.js
+++ b/src/languages/php.js
@@ -330,7 +330,7 @@ export default function(hljs) {
       regex.lookahead(/(?=\()/)
     ],
     scope: {
-      3: "function.title.invoke",
+      3: "title.function.invoke",
     }
   };
 
diff --git a/test/markup/php/functions.expect.txt b/test/markup/php/functions.expect.txt
index 946c41bd67..f6bc43f49a 100644
--- a/test/markup/php/functions.expect.txt
+++ b/test/markup/php/functions.expect.txt
@@ -11,11 +11,11 @@
  * Function invoke
  */</span>
 <span class="hljs-variable">$date</span> = <span class="hljs-keyword">new</span> <span class="hljs-title class_">DateTimeImmutable</span> ();
-<span class="hljs-variable">$date</span>-&gt;<span class="hljs-function title_ invoke__">format</span>(<span class="hljs-string">&#x27;Y-m-d&#x27;</span>);
+<span class="hljs-variable">$date</span>-&gt;<span class="hljs-title function_ invoke__">format</span>(<span class="hljs-string">&#x27;Y-m-d&#x27;</span>);
 
-DateTimeImmutable::<span class="hljs-function title_ invoke__">createFromMutable</span>(<span class="hljs-keyword">new</span> <span class="hljs-title class_">\DateTime</span>(<span class="hljs-string">&#x27;now&#x27;</span>));
+DateTimeImmutable::<span class="hljs-title function_ invoke__">createFromMutable</span>(<span class="hljs-keyword">new</span> <span class="hljs-title class_">\DateTime</span>(<span class="hljs-string">&#x27;now&#x27;</span>));
 
-<span class="hljs-function title_ invoke__">str_contains</span> (\<span class="hljs-function title_ invoke__">strtoupper</span>(<span class="hljs-function title_ invoke__">substr</span>(<span class="hljs-string">&#x27;abcdef&#x27;</span>, -<span class="hljs-number">2</span>), <span class="hljs-string">&#x27;f&#x27;</span>));
+<span class="hljs-title function_ invoke__">str_contains</span> (\<span class="hljs-title function_ invoke__">strtoupper</span>(<span class="hljs-title function_ invoke__">substr</span>(<span class="hljs-string">&#x27;abcdef&#x27;</span>, -<span class="hljs-number">2</span>), <span class="hljs-string">&#x27;f&#x27;</span>));
 
 <span class="hljs-comment">/**
  * Function declaration
@@ -39,5 +39,5 @@ DateTimeImmutable::<span class="hljs-function title_ invoke__">createFromMutable
 <span class="hljs-comment">/**
  * First-class Callable Syntax
  */</span>
-<span class="hljs-variable">$fun</span> = <span class="hljs-function title_ invoke__">mb_strlen</span>();
+<span class="hljs-variable">$fun</span> = <span class="hljs-title function_ invoke__">mb_strlen</span>();
 <span class="hljs-variable">$fun</span>();
diff --git a/test/markup/php/strings.expect.txt b/test/markup/php/strings.expect.txt
index 56f3428e3b..8a9c4dd8f5 100644
--- a/test/markup/php/strings.expect.txt
+++ b/test/markup/php/strings.expect.txt
@@ -12,12 +12,12 @@ MSG</span>);
 
 <span class="hljs-comment">// heredoc syntax</span>
 
-<span class="hljs-function title_ invoke__">var_dump</span>(<span class="hljs-string">&lt;&lt;&lt;SQL
+<span class="hljs-title function_ invoke__">var_dump</span>(<span class="hljs-string">&lt;&lt;&lt;SQL
     SELECT *
     FROM table
 SQL</span>);
 
-<span class="hljs-function title_ invoke__">var_dump</span>(<span class="hljs-string">&lt;&lt;&lt;SQL
+<span class="hljs-title function_ invoke__">var_dump</span>(<span class="hljs-string">&lt;&lt;&lt;SQL
     SELECT *
     FROM table
     SQL</span>);