3v4l.org

run code in 300+ PHP versions simultaneously
<?php class x { public function x() { $x =& $this; $x = new stdClass; var_dump($this); } } var_dump(new x);
Output for 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) { }
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; x has a deprecated constructor in /in/qgpe6 on line 3 object(x)#1 (0) { } object(x)#1 (0) { }
Output for 7.3.32 - 7.3.33
object(x)#1 (0) { } object(x)#1 (0) { }
Output for 7.0.0 - 7.0.20
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; x has a deprecated constructor in /in/qgpe6 on line 3 object(stdClass)#2 (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 - 5.6.30
object(stdClass)#2 (0) { } object(x)#1 (0) { }

preferences:
232.71 ms | 402 KiB | 334 Q