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run code in 300+ PHP versions simultaneously
<?php class Filter extends \RecursiveFilterIterator { public function __construct($iterator) {} #[ReturnTypeWillChange] public function accept() {} #[ReturnTypeWillChange] public function getChildren() {} } class ExactMatch extends Filter { public function accept() {} public function getChildren() {} } new ExactMatch([1, 2, [1, 2]]);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14

preferences:
98.58 ms | 406 KiB | 5 Q