3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $col_name = "#1.ID"; preg_replace('/#(\d+)\./', 't\1.', $col_name); echo $col_name;
based on Sjo5Y
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
#1.ID
Output for hhvm-3.10.0

Process exited with code 153.