'"%value" is not a valid New Zealand phone number!
New Zealand phone numbers should contain only numbers, spaces, brackets and "-". They should look like 04 123 4567 or can optionally omit the leading 0 and have a prefix of "+64".', ); } /** * Verification for New Zealand Phone Numbers. * As supplied by http://www.itu.int/itudoc/itu-t/number/n/nzl/76195_ww9.doc, April 2009 * * @param string $phonenumber * @return boolean returns boolean FALSE if the phone number is not valid. */ function valid_nz_phone_number($phonenumber) { //$phonenumber = trim($phonenumber); // strip formatting chars $phonenumber = preg_replace('/[\-() ]/', '', $phonenumber); // strip optional '+64' or '0' prefixes $phonenumber = preg_replace('/^(\+64|0)/', '', $phonenumber); //$rules[] = array("Prefix","Minimum length","Maximum length"); // special purpose service codes and numbers /*// Enable if required $rules[] = array('10', 3, 3); $rules[] = array('12', 6, 7); // NZ Direct Service $rules[] = array('60', 4, 4); // Directory Assistance (operator only) - Maybe shouldn't be in here $rules[] = array('83', 5, 8); // "Enhanced Voice Services" $rules[] = array('86', 8, 8); // "Enhanced Paging Services" $rules[] = array('87', 4, 8); // "PSTN access to data services" */ // Mobile $rules[] = array('20', 9, 9); // mobile radio / Orcon mobile $rules[] = array('22', 8, 10); // NZ Communications (actual lengths subject to change) $rules[] = array('210', 8, 10); // Vodafone $rules[] = array('211', 8, 9); // Vodafone $rules[] = array('212', 8, 9); // Vodafone $rules[] = array('213', 8, 9); // Vodafone $rules[] = array('214', 8, 9); // Vodafone $rules[] = array('215', 8, 9); // Vodafone $rules[] = array('216', 8, 9); // Vodafone $rules[] = array('217', 8, 9); // Vodafone $rules[] = array('218', 8, 9); // Vodafone $rules[] = array('219', 8, 9); // Vodafone $rules[] = array('24', 8, 8); // Scott Base //$rules[] = array('25', 8, 9); // Old Telecom 025, now unused $rules[] = array('26', 8, 9); // Telecom Paging $rules[] = array('27', 9, 9); // Telecom 027 mobile $rules[] = array('29', 8, 9); // TelstraClear mobile // South Island regional $rules[] = array('32', 8, 8); $rules[] = array('33', 8, 8); $rules[] = array('34', 8, 8); $rules[] = array('35', 8, 8); $rules[] = array('36', 8, 8); $rules[] = array('37', 8, 8); $rules[] = array('39', 8, 8); // Wellington regional $rules[] = array('42', 8, 8); $rules[] = array('43', 8, 8); $rules[] = array('44', 8, 8); $rules[] = array('45', 8, 8); $rules[] = array('46', 8, 8); $rules[] = array('48', 8, 8); $rules[] = array('49', 8, 8); // Manawatu, Taranaki, Hawkes Bay, Gisborne, Wairarapa, Otaki regional $rules[] = array('62', 8, 8); $rules[] = array('63', 8, 8); $rules[] = array('67', 8, 8); $rules[] = array('68', 8, 8); $rules[] = array('69', 8, 8); // Waikato, BOP, Taumarunui regional $rules[] = array('73', 8, 8); $rules[] = array('75', 8, 8); $rules[] = array('62', 8, 8); $rules[] = array('78', 8, 8); $rules[] = array('79', 8, 8); // Freecall $rules[] = array('80', 8, 10); // Pay-call $rules[] = array('90', 8, 10); // Auckland + Northland regional $rules[] = array('92', 8, 8); $rules[] = array('93', 8, 8); $rules[] = array('94', 8, 8); $rules[] = array('95', 8, 8); $rules[] = array('96', 8, 8); $rules[] = array('98', 8, 8); $rules[] = array('99', 8, 8); foreach ($rules as $rule) { if (preg_match('/^'.$rule[0].'/', $phonenumber) && strlen($phonenumber) >= $rule[1] && strlen($phonenumber) <= $rule[2]) { return true; } } return false; } /** * Formatting for New Zealand Phone Numbers. * * @param string $phonenumber * @return string Returns a string containing the phone number with some formatting. */ function format_nz_phone_number($phonenumber, $field) { $prefix = ''; $extension = ''; // strip old formatting chars $phonenumber = preg_replace('/[\-() ]/', '', $phonenumber); /* * strip and save the +64 prefix if found */ if (preg_match('/^\+64/', $phonenumber, $match)) { $prefix = '+64'; $phonenumber = str_replace('+64', '', $phonenumber); } else { $prefix = '0'; /* * Remove a leading 0, if present */ if (preg_match('/^0/', $phonenumber, $match)) { $phonenumber = substr($phonenumber, 1); } } /* * strip and save the extension (x9999) postfix if found */ if (preg_match('/(x[0-9]+)$/', $phonenumber, $match)) { $extension = ' '.$match[1]; $phonenumber = preg_replace('/x[0-9]+$/', '', $phonenumber); } /* * geographic numbers * Eg. (04) 123 4578 */ if (preg_match('/^([34679])([0-9]{3})([0-9]{4})$/', $phonenumber, $match)) { return _format_nz_phone_number_prefix($prefix, $match[1]) . $match[2] . ' ' . $match[3] . $extension; } /* * 8 digit mobile numbers * Eg. 021 123 123 */ if (preg_match('/^(2[12679])([0-9]{3})([0-9]{3})$/', $phonenumber, $match)) { return _format_nz_phone_number_prefix($prefix, $match[1]) . $match[2] . ' ' . $match[3] . $extension; } /* * 9 digit mobile numbers * Eg. 021 123 4567 */ if (preg_match('/^(2[12679])([0-9]{3})([0-9]{4})$/', $phonenumber, $match)) { return _format_nz_phone_number_prefix($prefix, $match[1]) . $match[2] . ' ' . $match[3] . $extension; } /* * 10 digit mobile numbers * Eg. 021 1234 1234 */ if (preg_match('/^(2[12679])([0-9]{4})([0-9]{4})$/', $phonenumber, $match)) { return _format_nz_phone_number_prefix($prefix, $match[1]) . $match[2] . ' ' . $match[3] . $extension; } /** * 0800/0900 numbers (a bit random) */ if (preg_match('/^(900|800)(\d+)$/', $phonenumber, $match)) { // How we format depends on the length $formatted = null; switch(strlen($match[2])) { case 5: $formatted = preg_replace('/^(\d{2})(\d{3})$/', '$1$2', $match[2]); break; case 6: $formatted = preg_replace('/^(\d{3})(\d{3})$/', '$1$2', $match[2]); break; case 7: $formatted = preg_replace('/^(\d{3})(\d{4})$/', '$1 $2', $match[2]); break; } return _format_nz_phone_number_prefix($prefix, $match[1]).$formatted; } // default (probably bad) return $prefix . $phonenumber . $extension; } /** * Formats the prefix as either +64 4 or (04), depending on the original prefix context * * @param string $prefix either '+64' or '0' * @param string $area_code the area code, eg. 4, 21, 27 etc * @return string the formatted prefix */ function _format_nz_phone_number_prefix($prefix, $area_code) { $area_code = intval($area_code); if (in_array($area_code, array('800', '900'))) { return ($prefix == '0') ? $prefix.$area_code.' ' : $prefix.' '.$area_code.' '; } else { return ($prefix == '0') ? '('.$prefix.$area_code.') ' : $prefix.' '.$area_code.' '; } }