1--TEST-- 2Bug #75457 (heap-use-after-free in php7.0.25) 3--FILE-- 4<?php 5$pattern = "/(((?(?C)0?=))(?!()0|.(?0)0)())/"; 6var_dump(preg_match($pattern, "hello")); 7?> 8--EXPECTF-- 9Warning: preg_match(): Compilation failed: assertion expected after (?( or (?(?C) at offset 8 in %sbug75457.php on line %d 10bool(false) 11
