PHP 8.1: Squiz/FileExtension - Added support for enums

Author: kukulich

package.xml

@@ -1771,6 +1771,7 @@ http://pear.php.net/dtd/package-2.0.xsd">
         <file baseinstalldir="PHP/CodeSniffer" name="FileExtensionUnitTest.2.inc" role="test" />
         <file baseinstalldir="PHP/CodeSniffer" name="FileExtensionUnitTest.3.inc" role="test" />
         <file baseinstalldir="PHP/CodeSniffer" name="FileExtensionUnitTest.4.inc" role="test" />
+        <file baseinstalldir="PHP/CodeSniffer" name="FileExtensionUnitTest.5.inc" role="test" />
         <file baseinstalldir="PHP/CodeSniffer" name="FileExtensionUnitTest.php" role="test" />
        </dir>
        <dir name="Formatting">

src/Standards/Squiz/Sniffs/Files/FileExtensionSniff.php

@@ -42,7 +42,7 @@ public function process(File $phpcsFile, $stackPtr)
         $tokens    = $phpcsFile->getTokens();
         $fileName  = $phpcsFile->getFilename();
         $extension = substr($fileName, strrpos($fileName, '.'));
-        $nextClass = $phpcsFile->findNext([T_CLASS, T_INTERFACE, T_TRAIT], $stackPtr);
+        $nextClass = $phpcsFile->findNext([T_CLASS, T_INTERFACE, T_TRAIT, T_ENUM], $stackPtr);
 
         if ($nextClass !== false) {
             $phpcsFile->recordMetric($stackPtr, 'File extension for class files', $extension);

src/Standards/Squiz/Tests/Files/FileExtensionUnitTest.5.inc

@@ -0,0 +1,3 @@
+<?php
+enum MyEnum {}
+?>