3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function x() { $a = "A happily bound"; return function() use ( $a ) { return $a .= " PHP variable"; }; } $af = x(); print $af(); print $x()->__invoke();
Output for 7.0.0 - 7.1.0
A happily bound PHP variable Notice: Undefined variable: x in /in/NiNoY on line 14 Fatal error: Uncaught Error: Function name must be a string in /in/NiNoY:14 Stack trace: #0 {main} thrown in /in/NiNoY on line 14
Process exited with code 255.
Output for hhvm-3.12.0
A happily bound PHP variable Notice: Undefined variable: x in /in/NiNoY on line 14 Fatal error: Uncaught Error: Function name must be a string in /in/NiNoY:14 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.3.0 - 5.6.28, hhvm-3.10.0
A happily bound PHP variable Notice: Undefined variable: x in /in/NiNoY on line 14 Fatal error: Function name must be a string in /in/NiNoY on line 14
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/NiNoY on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/NiNoY on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/NiNoY on line 7
Process exited with code 255.