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@ 2014-06-17T18:16:09Z

<?php

function isPhoneNumber($number) {
	return (bool) preg_match("/^\+[0-9]{2}\.[0-9]{10}$/", $number);
}

var_dump(isPhoneNumber("+44.1202535689"));
var_dump(isPhoneNumber("aaa+44.1202535689aa"));
var_dump(isPhoneNumber("foo"));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_match: documentation ( source)

preferences:dark modelive preview

40.83 ms | 402 KiB | 5 Q