3v4l.org

run code in 300+ PHP versions simultaneously
<?php $lat = '1.3456789'; $invalid = preg_match('/^(\+|-)?(?:180(?:(?:\.0{1,6})?)|(?:[0-9]|[1-9][0-9]|1[0-7][0-9])(?:(?:\.[0-9]{1,6})?))$/', $lat); echo $invalid;

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66.43 ms | 402 KiB | 5 Q