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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; $b->__construct();
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 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 5.0.0 - 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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20
object(y)#2 (0) { } object(y)#2 (0) { }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
object(y)(0) { }
preferences:
213.71 ms | 402 KiB | 314 Q