3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = bool(0 == 'foo'); echo $a;
based on 2ZERJ
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function bool() in /in/t4S7g:2 Stack trace: #0 {main} thrown in /in/t4S7g on line 2
Process exited with code 255.
Output for 5.3.22 - 5.6.28
Fatal error: Call to undefined function bool() in /in/t4S7g on line 2
Process exited with code 255.