Online PHP editor | refs for IY2J1

@ 2015-04-27T15:29:06Z

<?php

class foo {
    public $bar = null;

    public function &getBar() {
        
        if ($this->bar === null) {
            $this->bar[] = 'init';
        }
        
        return $this->bar;
    }
}

$obj = new foo;
$myValue = &$obj->getBar();

$myValue[] = 123;

var_dump($obj->bar);