3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo preg_replace("/[\/\\\^\[\]\.\$\{\}\*\+\(\)\|\?\<\>]/g", "\\$&", "^||$$^%^#5");
Output for 4.3.11 - 7.1.0
Warning: preg_replace(): Unknown modifier 'g' in /in/ZfKbq on line 3
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier 'g' in /in/ZfKbq on line 3