SlevomatCodingStandard.Classes.RequireSelfReference: Fixed false positives for anonymous classes with extends or implements

Author: kukulich

SlevomatCodingStandard/Sniffs/Classes/RequireSelfReferenceSniff.php

@@ -53,12 +53,17 @@ public function process(File $phpcsFile, $openTagPointer): void
 				continue;
 			}
 
-			$classPointer = ClassHelper::getClassPointer($phpcsFile, $referencedName->getStartPointer());
-			if ($classPointer === null) {
+			$anonymousClassPointer = TokenHelper::findPrevious($phpcsFile, T_ANON_CLASS, $referencedName->getStartPointer() - 1);
+
+			if (
+				$anonymousClassPointer !== null
+				&& $tokens[$anonymousClassPointer]['scope_closer'] > $referencedName->getEndPointer()
+			) {
 				continue;
 			}
 
-			if ($tokens[$classPointer]['code'] === T_ANON_CLASS) {
+			$classPointer = ClassHelper::getClassPointer($phpcsFile, $referencedName->getStartPointer());
+			if ($classPointer === null) {
 				continue;
 			}
 

tests/Sniffs/Classes/data/requireSelfReferenceNoErrors.php

@@ -19,6 +19,20 @@ public function doSomethingElse(): Whatever
 		};
 	}
 
+	public function doSomethingElse()
+	{
+		return new class extends Whatever {
+
+		};
+	}
+
+	public function doAnything()
+	{
+		return new class implements Whatever {
+
+		};
+	}
+
 }
 
 $function = function (): Whatever {