3v4l.org

run code in 300+ PHP versions simultaneously
<?php class myclass { public $arr = array(); public function myfunc(){ $this->arr[1] = 'one'; $this->arr[2] = 'two'; } } $obj = new myclass; print_r($obj->arr);
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( )
preferences:
206.71 ms | 404 KiB | 275 Q