Allow static closure for hooks

See #29

Author: gmazzap

Inpsyde/PhpcsHelpers.php

@@ -330,7 +330,7 @@ public static function isHookClosure(
         }
 
         $lookForComma = $file->findPrevious(
-            [T_WHITESPACE],
+            [T_WHITESPACE, T_STATIC],
             $closurePosition - 1,
             null,
             true,

tests/fixtures/argument-type-declaration.php

@@ -60,6 +60,13 @@ function ($foo) {
     }
 );
 
+add_filter(
+    'foo',
+    static function ($foo) {
+        return true;
+    }
+);
+
 array_map(
     function ($foo) { // @phpcsWarningOnThisLine
 
@@ -173,15 +180,31 @@ function (PHPUnit\Exception $meh = null) use ($baz)
 class ArgumentTypeDeclarationSniffTestFixture
 {
     // @phpcsWarningOnNextLine
-    function a($bar)
+    public function a($bar)
     {
         function (array $baz) use ($bar)
         {
 
         }
     }
 
-    function b(array $bar)
+    // @phpcsWarningOnNextLine
+    private function ap($bar)
+    {
+        function (array $baz) use ($bar)
+        {
+
+        }
+    }
+
+    /**
+     * @wp-hook foo
+     */
+    private function theHook($param)
+    {
+    }
+
+    protected function b(array $bar)
     {
         function (array $baz) use ($bar)
         {
@@ -193,7 +216,7 @@ function ($meh) use ($baz)
         }
     }
 
-    function c(array $bar)
+    private function c(array $bar)
     {
 
         function (array $baz) use ($bar)

tests/fixtures/return-type-declaration.php

@@ -184,6 +184,10 @@ function genMultiReturn(): \Generator
     return '';
 });
 
+add_filter('x', static function () {
+    return '';
+});
+
 // @phpcsErrorCodeOnNextLine IncorrectVoidReturnType
 add_filter('x', function (): void {
     return '0';
@@ -243,7 +247,7 @@ function noHookCallback() // @phpcsWarningCodeOnThisLine NoReturnType
 class WrapperHookWrapper
 {
 
-    function filterWrapper(string $x, int $y): bool
+    public function filterWrapper(string $x, int $y): bool
     {
 
         // @phpcsWarningCodeOnNextLine NoReturnType
@@ -275,7 +279,7 @@ function ($x, $y) {
     }
 
     // @phpcsWarningCodeOnNextLine NoReturnType
-    function problematicMethod()
+    protected function problematicMethod()
     {
         return 'x';
     }
@@ -284,13 +288,13 @@ function problematicMethod()
      * @return string
      * @wp-hook Meh
      */
-    function hookMethod()
+    private function hookMethod()
     {
         return 'x';
     }
 
     // @phpcsErrorCodeOnNextLine IncorrectVoidReturn
-    function problematicMethodTwo(): bool
+    protected function problematicMethodTwo(): bool
     {
         if (true) {
             return true;