3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function doWeirdStuff($fn1, $fn2, $val) { return $fn2($fn1($val)); } echo doWeirdStuff( function ($val) { return ++$val; }, function ($val) { return $val *= 2; }, 3 );
based on sepMC
Output for 5.3.0 - 7.2.0
8
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/b1VdQ on line 8
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, expecting ')' in /in/b1VdQ on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/b1VdQ on line 8
Process exited with code 255.