3v4l.org

run code in 300+ PHP versions simultaneously
<?php class b{ public $o; public function __construct(){ $this->o = (object)array('id'=>12); } } class foo { private $b; public function __construct(){ $this->b = new b(); } public function bar(){ return $this->b; } } $f = new foo(); var_dump( $f->bar()->o->id );
Output for 7.1.25 - 7.1.27, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.30, 8.0.0 - 8.0.22, 8.1.0 - 8.1.9
int(12)

preferences:
58.49 ms | 416 KiB | 13 Q