3v4l.org

run code in 300+ PHP versions simultaneously
<?php $phonenumer = '+31 (0)612345678'; $phonenumber = str_replace([' ', '-', '.', '(', ')'], '', $phonenumber); if (strpos($phonenumber, '+3106') === 0) { $phonenumber = '+316' . substr($phonenumber, 5); } echo $phonenumber;

preferences:
34.18 ms | 402 KiB | 5 Q