3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $val=5; $alpha= function() use ($val) {return $val * $val;}; echo $alpha;
Output for 7.1.0 - 7.2.0
Recoverable fatal error: Object of class Closure could not be converted to string in /in/uDjuh on line 6
Process exited with code 255.
Output for 5.3.18 - 7.0.20
Catchable fatal error: Object of class Closure could not be converted to string in /in/uDjuh on line 6
Process exited with code 255.