UselessVariableSniff: Variables with @phpstan-var or @psalm-var annotation are not reported as useless

Author: kukulich

SlevomatCodingStandard/Sniffs/Variables/UselessVariableSniff.php

@@ -293,7 +293,7 @@ private function hasVariableVarAnnotation(File $phpcsFile, int $variablePointer)
 		}
 
 		$docCommentContent = TokenHelper::getContent($phpcsFile, $tokens[$pointerBeforeVariable]['comment_opener'], $pointerBeforeVariable);
-		return preg_match('~@var\\s+.+\\s+' . preg_quote($tokens[$variablePointer]['content'], '~') . '(?:\\s|$)~', $docCommentContent) !== 0;
+		return preg_match('~@(?:(?:phpstan|psalm)-)?var\\s+.+\\s+' . preg_quote($tokens[$variablePointer]['content'], '~') . '(?:\\s|$)~', $docCommentContent) !== 0;
 	}
 
 	private function hasAnotherAssigmentBefore(File $phpcsFile, int $variablePointer, string $variableName): bool

tests/Sniffs/Variables/data/uselessVariableNoErrors.php

@@ -66,6 +66,18 @@ function withGenericDocComment() {
 	return $hh;
 }
 
+function withPhpsanDocComment() {
+	/** @phpstan-var string $hhh */
+	$hhh = [];
+	return $hhh;
+}
+
+function withPsalmDocComment() {
+	/** @psalm-var string $hhhh */
+	$hhhh = [];
+	return $hhhh;
+}
+
 function moreAssigments() {
 	$i = 'i';
 	$i .= 'ii';