private.php

<?php

	class MyClass {
		private $var = 'Variabile privata';
	}

	$getter = function() {
		return $this->var;
	};

	$setter = function($str) {
		$this->var = $str;
	};

	$class = new MyClass();

	// Prima del trick
	var_dump($getter->call($class));

	// Dopo il trick
	$setter->call($class, "VARIABILE MODIFICATA!!!");
	var_dump($getter->call($class));