'Hungarian Phone Numbers', 'error' => '"%value" is not a valid Hungarian phone number!
Hungarian phone numbers should contain only numbers and spaces be like 70 999 9999 with an optional prefix of "+36" or "06".', ); } /** * Verifies that $phonenumber is a valid nine-digit Hungarian phone number * * @param string $phonenumber * @return boolean Returns boolean FALSE if the phone number is not valid. */ function valid_hu_phone_number($phonenumber) { //$phonenumber = trim($phonenumber); // define regular expression $regex = "/ \D* # optional separator (?:\+?36|06)? # country code (\d\d?) # area code \D* # optional separator (\d{3}) # second group \D* # optional separator (\d{3,4}) # third group \D* # ignore trailing non-digits $/x"; // return true if valid, false otherwise return (bool) preg_match($regex, $phonenumber); } /** * Convert a valid Hungarian phone number into standard (+36) ..... format * * @param $phonenumber must be a valid nine-digit number (with optional international prefix) * */ function format_hu_phone_number($phonenumber, $field = FALSE) { // define regular expression $regex = "/ \D* # optional separator (?:\+?36|06)? # country code (\d\d?) # area code \D* # optional separator (\d{3}) # second group \D* # optional separator (\d{3,4}) # third group \D* # ignore trailing non-digits $/x"; // get digits of phone number preg_match($regex, $phonenumber, $matches); // construct ten-digit phone number $phonenumber = '+36 ' . $matches[1] . ' ' . $matches[2] . ' ' . $matches[3] . ' ' . $matches[4]; return $phonenumber; }