UselessParenthesesSniff: Fixed false positive

Author: kukulich

SlevomatCodingStandard/Sniffs/PHP/UselessParenthesesSniff.php

@@ -106,12 +106,12 @@ private function containsOperators(File $phpcsFile, int $parenthesisOpenerPointe
 		}
 
 		$pointerAfterParenthesis = TokenHelper::findNextEffective($phpcsFile, $tokens[$parenthesisOpenerPointer]['parenthesis_closer'] + 1);
-		if (in_array($tokens[$pointerAfterParenthesis]['code'], [T_MULTIPLY, T_DIVIDE], true)) {
+		if (in_array($tokens[$pointerAfterParenthesis]['code'], [T_MULTIPLY, T_DIVIDE, T_STRING_CONCAT], true)) {
 			return true;
 		}
 
 		$pointerBeforeParenthesis = TokenHelper::findPreviousEffective($phpcsFile, $parenthesisOpenerPointer - 1);
-		if (in_array($tokens[$pointerBeforeParenthesis]['code'], [T_MULTIPLY, T_DIVIDE], true)) {
+		if (in_array($tokens[$pointerBeforeParenthesis]['code'], [T_MULTIPLY, T_DIVIDE, T_STRING_CONCAT], true)) {
 			return true;
 		}
 

tests/Sniffs/PHP/data/uselessParenthesesNoErrors.php

@@ -91,3 +91,5 @@ function () {
 $a = ('100' . '000') * $c;
 
 $a = $b + (100 - $c);
+
+$a = 'a' . '/' . (32 - ($b * 8));