3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_replace_callback();
Output for 5.3.0 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0RC5
Warning: preg_replace_callback() expects at least 3 parameters, 0 given in /in/H60kM on line 2
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.2.17
Warning: Wrong parameter count for preg_replace_callback() in /in/H60kM on line 2