3v4l.org

run code in 300+ PHP versions simultaneously
<?php $phonecodes['pl'] = 48; $country= 'pl'; $tel = '+4812321312312312'; function checkCountryCode($tel, $part) { global $phonecodes, $country; for ($i = 1; $i <= 3; $i++) { $codeToCheck = substr($tel, 1, $i); foreach ($phonecodes as $key => $val) { if ($codeToCheck == $val) { $code = c; echo $code; switch($part){ case 'phonecode': echo $key; break; case 'a': echo $val; break; case 'd': echo 'dupa'; break; } } } } if ($code == '') echo $country; } checkCountryCode($tel, 'phonecode');

preferences:
53.92 ms | 402 KiB | 5 Q