Online PHP editor | refs for Hh7TW

@ 2014-07-24T22:04:13Z

<?php

class Foo
{
    protected $foo;
    public function __construct(Foo $foo = null) {
		if($foo == null) {
			$foo = new Foo($this);
        }
        $this->foo = $foo;
    }
}

	$a = new Foo();
print_r($a);