3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = "2x1 image"; echo subs_tring($a,0, 3);
based on W6GIu
Output for 7.0.0 - 7.3.0rc4
Fatal error: Uncaught Error: Call to undefined function subs_tring() in /in/arACn:5 Stack trace: #0 {main} thrown in /in/arACn on line 5
Process exited with code 255.
Output for 5.3.20 - 5.6.28
Fatal error: Call to undefined function subs_tring() in /in/arACn on line 5
Process exited with code 255.