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run code in 300+ PHP versions simultaneously
<?php preg_match('/^\/validation\/(?P<user_name>\w+)?\/(?P<user_key>\w+)?\/$/', "/validation/aa/1/",$matches); print_r($matches); echo "\n";
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => /validation/aa/1/ [user_name] => aa [1] => aa [user_key] => 1 [2] => 1 )
Output for 4.3.0 - 4.3.2
Array ( [0] => /validation/aa/1/ [1] => aa [2] => 1 )
preferences:
302.05 ms | 401 KiB | 460 Q