3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match('/^([a-z]{0,3})(\d{3})[-\s]?(\d{2})[-\s]?(\d{4})([0-9a-z]{0,3})$/i', 'ABC123121234ABC', $number); var_dump($number); var_dump(vsprintf('%2$s%3$s-%4$s-%5$s%6$s', $number));
Output for 4.3.0 - 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(6) { [0]=> string(15) "ABC123121234ABC" [1]=> string(3) "ABC" [2]=> string(3) "123" [3]=> string(2) "12" [4]=> string(4) "1234" [5]=> string(3) "ABC" } string(17) "ABC123-12-1234ABC"

preferences:
359.36 ms | 406 KiB | 459 Q