Online PHP editor | refs for 2tpmo

<?php class a { public $cl; function __construct($cl) { $this->cl = $cl; } function isEquals(a $i) { if (get_class($this) === get_class($i)) { if ($this->cl === $i->cl) { return true; } } return false; } } $cl = function($data) {return $data += $data;}; $cl2 = function(){return 'my_closure';}; $a = new a($cl); $i = new a($cl2); var_dump($a->isEquals($i)); $a = new a($cl); $i = new a($cl); var_dump($a->isEquals($i));