public static function findDirtyParam($phpcsFile, $stackPtr) {
		$tokens = $phpcsFile->getTokens();
		$opener = $phpcsFile->findNext(T_OPEN_PARENTHESIS, $stackPtr, null, false, null, true);
		$closer = $tokens[$opener]['parenthesis_closer'];
		$s = $opener + 1;
		$s = $phpcsFile->findNext(array_merge(\PHP_CodeSniffer\Util\Tokens::$emptyTokens, \PHP_CodeSniffer\Util\Tokens::$bracketTokens, \PHPCS_SecurityAudit\Sniffs\Utils::$staticTokens, array(T_STRING_CONCAT)), $s, $closer, true);
		return $s;
	}