3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Bear { public $age = 0; } $bear1 = new Bear(); $bear1->age = 25; $bear2 = new Bear(); $bear2->age = 35; var_dump($bear1); var_dump($bear2);
Output for 5.5.0 - 5.5.38, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
object(Bear)#1 (1) { ["age"]=> int(25) } object(Bear)#2 (1) { ["age"]=> int(35) }

preferences:
218.53 ms | 404 KiB | 330 Q