Merge pull request #660 from emacs-php/feature/php8-never-type

Add never native type for PHP 8.1

Author: zonuexe

lisp/php-mode.el

@@ -481,7 +481,7 @@ In that case set to `NIL'."
 
 (c-lang-defconst c-primitive-type-kwds
   php '("int" "integer" "bool" "boolean" "float" "double" "real"
-        "string" "object" "void" "mixed"))
+        "string" "object" "void" "mixed" "never"))
 
 (c-lang-defconst c-class-decl-kwds
   "Keywords introducing declarations where the following block (if any)

tests/type-hints.php

@@ -154,4 +154,8 @@ public function getCallable(
     public function getNullableCallable(
     ): ?callable {
     }
+
+    public function neverReturn(
+    ): never {
+    }
 }