3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo(callable $bar) { var_dump($var); } foo(null);
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught TypeError: Argument 1 passed to foo() must be callable, null given, called in /in/IiUNR on line 7 and defined in /in/IiUNR:3 Stack trace: #0 /in/IiUNR(7): foo(NULL) #1 {main} thrown in /in/IiUNR on line 3
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Catchable fatal error: Argument 1 passed to foo() must be callable, null given, called in /in/IiUNR on line 7 and defined in /in/IiUNR on line 3
Process exited with code 255.
Output for 5.3.19 - 5.3.29
Catchable fatal error: Argument 1 passed to foo() must be an instance of callable, null given, called in /in/IiUNR on line 7 and defined in /in/IiUNR on line 3
Process exited with code 255.