3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php preg_replace('^Flat Rate Box$', 'Medium Flat Rate Box', "FLat Rate Box");
based on MBP4K
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.2.6
Warning: preg_replace(): No ending delimiter '^' found in /in/H2EtN on line 3
Output for hhvm-3.15.4
Warning: No ending delimiter '^' found: [^Flat Rate Box$] in /in/H2EtN on line 3