3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(ini_get('pcre.backtrack_limit'), ini_get('pcre.recursion_limit'));
Output for 5.3.7 - 7.1.0
string(7) "1000000" string(6) "100000"
Output for 5.2.0 - 5.3.6
string(6) "100000" string(6) "100000"
Output for 4.3.0 - 5.1.6
string(0) "" string(0) ""