3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php preg_match( '/cnt$/', 'bbl_nfs_prd_33333_12345_cnt', $matches); echo $matches[1]; // 1234
Output for 5.3.0 - 5.6.38, 7.0.0 - 7.3.0
Notice: Undefined offset: 1 in /in/hGueT on line 3
Output for hhvm-3.22.0
Notice: Undefined index: 1 in /in/hGueT on line -1
Output for hhvm-3.10.1 - 3.21.3
Notice: Undefined index: 1 in /in/hGueT on line 3
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.2.17
Notice: Undefined offset: 1 in /in/hGueT on line 3
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/hGueT on line 3
Process exited with code 255.