Hotfix: array indices with PHP 7.4 fn closure

Author: michalbundyra

src/Sniffs/AbstractArraySniff.php

@@ -99,6 +99,7 @@ public function process(File $phpcsFile, $stackPtr)
             if ($tokens[$checkToken]['code'] === T_ARRAY
                 || $tokens[$checkToken]['code'] === T_OPEN_SHORT_ARRAY
                 || $tokens[$checkToken]['code'] === T_CLOSURE
+                || $tokens[$checkToken]['code'] === T_FN
             ) {
                 // Let subsequent calls of this test handle nested arrays.
                 if ($tokens[$lastToken]['code'] !== T_DOUBLE_ARROW) {

src/Standards/Generic/Tests/Arrays/ArrayIndentUnitTest.inc

@@ -57,6 +57,8 @@ $array = [
     'hey' => $baz ??
         ['one'] ??
         ['two'],
+    'fn' =>
+        fn ($x) => yield 'k' => $x,
 ];
 
 // phpcs:set Generic.Arrays.ArrayIndent indent 2

src/Standards/Generic/Tests/Arrays/ArrayIndentUnitTest.inc.fixed

@@ -58,6 +58,8 @@ $array = [
     'hey' => $baz ??
         ['one'] ??
         ['two'],
+    'fn' =>
+        fn ($x) => yield 'k' => $x,
 ];
 
 // phpcs:set Generic.Arrays.ArrayIndent indent 2

src/Standards/Generic/Tests/Arrays/ArrayIndentUnitTest.php

@@ -33,10 +33,10 @@ public function getErrorList()
             31 => 1,
             33 => 1,
             41 => 1,
-            65 => 1,
-            66 => 1,
             67 => 1,
             68 => 1,
+            69 => 1,
+            70 => 1,
         ];
 
     }//end getErrorList()