- var_dump: documentation ( source)
- str_repeat: documentation ( source)
- preg_match: documentation ( source)
- ini_get: documentation ( source)
<?php
var_dump(PCRE_VERSION, ini_get('pcre.backtrack_limit'),ini_get('pcre.recursion_limit'));
//$b = preg_replace('/b.*b/', '', 'baab' . str_repeat('a', 100024));
$b = preg_match('/(.)*/', str_repeat('x', 6000));
var_dump($b);