3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php //$b = preg_replace('/b.*b/', '', 'baab' . str_repeat('a', 100024)); $b = preg_match('/(.)*/', str_repeat('x', 6000)); var_dump(ini_get('pcre.backtrack_limit'),ini_get('pcre.recursion_limit'), strlen($b));
Output for 7.0.0 - 7.1.0
string(7) "1000000" string(6) "100000" int(0)
Output for 5.3.7 - 5.3.9, 5.3.23 - 5.6.28, hhvm-3.10.0 - 3.12.0
string(7) "1000000" string(6) "100000" int(1)
Output for 5.3.10 - 5.3.22

Process exited with code 139.
Output for 5.2.0 - 5.3.6
string(6) "100000" string(6) "100000" int(1)
Output for 4.3.0 - 5.1.6
string(0) "" string(0) "" int(1)