3v4l.org

run code in 300+ PHP versions simultaneously
<?php class x { function y() { $x =& $this; $x = new stdClass; var_dump($this); } } $x = new x(); $x->y(); var_dump($x);
Output for 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(x)#1 (0) { } object(x)#1 (0) { }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
object(stdClass)#2 (0) { } object(x)#1 (0) { }
preferences:
262.22 ms | 402 KiB | 407 Q