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run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = function ($v) { return $v * 2; }; $y = function ($v) { return $v * 2; }; $z = function ($v) { return $v * 200; }; $compose_ = function ($documentation) { $closures = func_get_args(); array_shift($closures); // er($args,'$args'); return function ($param = null) use ($documentation, $closures) { if (!$param) { return $documentation; } $first_closure = array_shift($closures); $val = $first_closure($param); foreach ($closures as $closure) { $val = $closure($val); } return $val; }; }; $c = $compose_('Compose of Int -> $x -> $y -> $z -> Int', $x, $y, $z); echo $c(); echo $c(345);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Compose of Int -> $x -> $y -> $z -> Int276000
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/plSKI on line 2
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/plSKI on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/plSKI on line 2
Process exited with code 255.