3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $result = 'OX000045678'; $prefix = 'OX'; if ( $prefix == substr( $result, 0, strlen( $prefix ) ) ) { echo substr( $result, strlen( $prefix ) ); }
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
000045678
Output for hhvm-3.10.0

Process exited with code 153.