3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function makeLouder($fn) { return function($a) use($fn) { return $fn($a)."!!!"; }; } $foo = makeLouder(abs()); echo "<p>".$foo(900)."<br/>".$foo(-900); $bar = makeLouder(strtoupper()); echo "<p>".$bar("upper");
based on kuLmD
Output for 7.0.0 - 7.2.0
Warning: abs() expects exactly 1 parameter, 0 given in /in/2EkTX on line 7 Fatal error: Uncaught Error: Function name must be a string in /in/2EkTX:4 Stack trace: #0 /in/2EkTX(8): {closure}(900) #1 {main} thrown in /in/2EkTX on line 4
Process exited with code 255.
Output for 5.3.0 - 5.6.28
Warning: abs() expects exactly 1 parameter, 0 given in /in/2EkTX on line 7 Fatal error: Function name must be a string in /in/2EkTX on line 4
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/2EkTX on line 3
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/2EkTX on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/2EkTX on line 3
Process exited with code 255.