Online PHP editor | refs for WVWgi

@ 2015-11-13T20:02:06Z

<?php

class Foo implements Serializable {
    public function jsonSerialize() {
        return [
            'title' => $this->title,
            'parent' => $this->parent,
        ];
    }
}

$f1 = new Foo();
$f1->title = 'Foo';

$f2 = new Foo();
$f2->title = 'Bar';
$f2->parent = $f1;

echo json_encode($f2);