Online PHP editor | refs for DonQq

<?php interface HydrationInterface { static function dehydrate($obj); static function hydrate($content); } class Foo implements JsonSerializable,HydrationInterface { protected $secret, $problem; public function __construct($secret) { $this->secret = $secret; } public function setProblem(Foo $p) { $this->problem = $p; } public function JsonSerialize() { return self::dehydrate($this); } public static function dehydrate($obj) { return get_object_vars($obj); } public static function hydrate($content) { // var_dump($content); exit(); $o = new static(''); $o->secret = $content->secret; if( ! is_null($content->problem) ) { $o->problem = Foo::hydrate($content->problem); } return $o; } } $f = new Foo('secret!'); $f->setProblem(new Foo('second level!')); $h = Foo::hydrate(json_decode('{"secret":"secret!","problem":{"secret":"second level!","problem":null}}')); var_dump(json_encode($f), $h);