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run code in 300+ PHP versions simultaneously
<?php $x = new stdClass; $y = new stdClass; $y->foo = $x->foo = new stdClass; $x->foo->bar = 2; $xSer = serialize($x); $ySer = serialize($y); $x = unserialize($xSer); $y = unserialize($ySer); $x->foo->bar = 5; var_dump($y);
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, 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(stdClass)#1 (1) { ["foo"]=> object(stdClass)#6 (1) { ["bar"]=> int(2) } }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
object(stdClass)(1) { ["foo"]=> object(stdClass)(0) { } }

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291.72 ms | 401 KiB | 455 Q