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run code in 300+ PHP versions simultaneously
<?php class A{ private $aaa; function __set($prop, $val){ $this->aaa = $val; } } $a = new A(); $a->prop = 'String prop'; var_dump($a);
Output for 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(A)#1 (1) { ["aaa":"A":private]=> string(11) "String prop" }

preferences:
146.75 ms | 402 KiB | 152 Q