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run code in 300+ PHP versions simultaneously
<?php class x { function __construct(){ $x=& $this; $x = new y; var_dump($this); } function foo(){ $this->bar(); } } class y{ function bar(){ echo "bar"; } } $b=new 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
object(x)#1 (0) { }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 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(y)#2 (0) { }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9

preferences:
282.98 ms | 401 KiB | 456 Q