Fix highlighting of callable keyword

php-mode.el

@@ -15,7 +15,7 @@
 (defconst php-mode-version-number "1.19.1"
   "PHP Mode version number.")
 
-(defconst php-mode-modified "2018-05-12"
+(defconst php-mode-modified "2018-06-08"
   "PHP Mode build date.")
 
 ;; This file is free software; you can redistribute it and/or
@@ -1635,13 +1635,14 @@ a completion list."
      ;; with type, like in arglist)
      ("\\(\\$\\)\\(\\sw+\\)" 1 'php-variable-sigil)
 
-     ;; Array is a keyword, except in the following situations:
-     ;; - when used as cast, so that (int) and (array) look the same
+     ;; 'array' and 'callable' are keywords, except in the following situations:
      ;; - when used as a type hint
      ;; - when used as a return type
+     ("\\b\\(array\\|callable\\)\\s-+&?\\$" 1 font-lock-type-face)
+     (")\\s-*:\\s-*\\??\\(array\\|callable\\)\\b" 1 font-lock-type-face)
+     ;; For 'array', there is an additional situation:
+     ;; - when used as cast, so that (int) and (array) look the same
      ("(\\(array\\))" 1 font-lock-type-face)
-     ("\\b\\(array\\)\\s-+&?\\$" 1 font-lock-type-face)
-     (")\\s-*:\\s-*\\??\\(array\\)\\b" 1 font-lock-type-face)
 
      ;; namespaces
      ("\\(\\([a-zA-Z0-9_]+\\\\\\)+[a-zA-Z0-9_]+\\|\\(\\\\[a-zA-Z0-9_]+\\)+\\)[^:a-zA-Z0-9_\\\\]" 1 'font-lock-type-face)

tests/type-hints.php

@@ -62,6 +62,14 @@ public function nullableNsObject(?\path\to\my\Object $object): ?\path\to\my\Obje
     {
     }
 
+    public function callable(callable $callable): callable
+    {
+    }
+
+    public function nullableCallable(?callable $callable): ?callable
+    {
+    }
+
     public function someFunction(
         $any,
         string $name,
@@ -138,4 +146,12 @@ public function getNsObject(
     public function getNullableNsObject(
     ): ?\path\to\my\Object {
     }
+
+    public function getCallable(
+    ): callable {
+    }
+
+    public function getNullableCallable(
+    ): ?callable {
+    }
 }

tests/type-hints.php.faces

@@ -202,6 +202,32 @@
  (" ")
  ("function" . php-keyword)
  (" ")
+ ("callable" . php-function-name)
+ ("(")
+ ("callable" . font-lock-type-face)
+ (" ")
+ ("$" . php-variable-sigil)
+ ("callable" . php-variable-name)
+ ("): ")
+ ("callable" . font-lock-type-face)
+ ("\n    {\n    }\n\n    ")
+ ("public" . php-keyword)
+ (" ")
+ ("function" . php-keyword)
+ (" ")
+ ("nullableCallable" . php-function-name)
+ ("(?")
+ ("callable" . font-lock-type-face)
+ (" ")
+ ("$" . php-variable-sigil)
+ ("callable" . php-variable-name)
+ ("): ?")
+ ("callable" . font-lock-type-face)
+ ("\n    {\n    }\n\n    ")
+ ("public" . php-keyword)
+ (" ")
+ ("function" . php-keyword)
+ (" ")
  ("someFunction" . php-function-name)
  ("(\n        ")
  ("$" . php-variable-sigil)
@@ -378,4 +404,21 @@
  ("getNullableNsObject" . php-function-name)
  ("(\n    ): ?")
  ("\\path\\to\\my\\Object" . font-lock-type-face)
+
+ (" {\n    }\n\n    ")
+ ("public" . php-keyword)
+ (" ")
+ ("function" . php-keyword)
+ (" ")
+ ("getCallable" . php-function-name)
+ ("(\n    ): ")
+ ("callable" . font-lock-type-face)
+ (" {\n    }\n\n    ")
+ ("public" . php-keyword)
+ (" ")
+ ("function" . php-keyword)
+ (" ")
+ ("getNullableCallable" . php-function-name)
+ ("(\n    ): ?")
+ ("callable" . font-lock-type-face)
  (" {\n    }\n}\n"))