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run code in 500+ PHP versions simultaneously
<?php abstract class First { public function showInfo() { echo $this->foo; } } class Second extends First { public $foo = 42; } $obj = new Second(); $obj->showInfo();
Output for 8.1.25 - 8.1.34, 8.2.12 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
42

preferences:
71.61 ms | 852 KiB | 4 Q