3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $f = function(){ return 'bla'; }; function SendBla($f) { return $f; } function ReceiveBla($f) { echo $f; } ReceiveBla( SendBla($f));
based on vrIKM
Output for 7.1.0 - 7.2.0
Recoverable fatal error: Object of class Closure could not be converted to string in /in/3fNgA on line 11
Process exited with code 255.
Output for 5.3.19 - 7.0.20
Catchable fatal error: Object of class Closure could not be converted to string in /in/3fNgA on line 11
Process exited with code 255.