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run code in 300+ PHP versions simultaneously
<?php class X { public function filter($n = null) { return new X; } } $a = new X; $b = $a->filter(); $f = function(){}; $c = $a->filter($f); var_dump($a, $b, $c, $f);
Output for git.master, git.master_jit, rfc.property-hooks
object(X)#1 (0) { } object(X)#2 (0) { } object(X)#4 (0) { } object(Closure)#3 (0) { }

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