3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = (object) [ 'name' => ($name = 'john'), 'other' => $name.' , wellcome', ]; var_dump($data);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
object(stdClass)#1 (2) { ["name"]=> string(4) "john" ["other"]=> string(15) "john , wellcome" }

preferences:
130.46 ms | 408 KiB | 5 Q