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run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar; public function __construct() { $this->bar = function() { return false; }; } public function bar() { return true; } } $Foo = new Foo; echo 'Foo->bar <br>'; var_dump($Foo->bar); echo 'Foo->bar() <br>'; var_dump($Foo->bar());

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