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run code in 300+ PHP versions simultaneously
<?php $a = function ($instance) { return $instance->x; }; class FooBar { public $x = 3; } $foobar = new FooBar; for ($i = 0; $i < 100000; $i++) { $x = function () use ($foobar, $a) { return $a($foobar); }; $x(); }
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