'Spanish Phone Numbers', 'error' => '"%value" is not a valid Spanish phone number
Spanish phone numbers should only contains numbers and spaces and be like 999 999 999', ); } /** * Verifies that $phonenumber is a valid nine-digit Spanish phone number * * @param string $phonenumber * @return boolean Returns boolean FALSE if the phone number is not valid. */ function valid_es_phone_number($phonenumber) { //$phonenumber = trim($phonenumber); // define regular expression $regex = "/ \D* # optional separator [69]\d{2} # first group of numbers \D* # optional separator \d{3} # second group \D* # optional separator \d{3} # third group \D* # ignore trailing non-digits $/x"; // return true if valid, false otherwise return (bool) preg_match($regex, $phonenumber); } /** * Convert a valid Spanish phone number into standard (+34) 916 555 777 format * * @param $phonenumber must be a valid nine-digit number (with optional international prefix) * */ function format_es_phone_number($phonenumber, $field = FALSE) { // define regular expression $regex = "/ \D* # optional separator ([69]\d{2}) # first group of numbers \D* # optional separator (\d{3}) # second group \D* # optional separator (\d{3}) # third group \D* # ignore trailing non-digits $/x"; // get digits of phone number preg_match($regex, $phonenumber, $matches); // construct ten-digit phone number $phonenumber = $matches[1] . ' ' . $matches[2] . ' ' . $matches[3]; return $phonenumber; }