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<?php |
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namespace LeKoala\PhoneNumber; |
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use SilverStripe\i18n\i18n; |
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use libphonenumber\PhoneNumberUtil; |
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use libphonenumber\NumberParseException; |
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use SilverStripe\i18n\Data\Intl\IntlLocales; |
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/** |
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* Helps dealing with phone and countries |
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*/ |
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class PhoneHelper |
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{ |
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const DEFAULT_FORMAT = 'NATIONAL'; |
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/** |
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* |
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* @var array<string> |
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*/ |
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protected static $valid_formats = [ |
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'E164', |
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'INTERNATIONAL', |
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'NATIONAL', |
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'RFC3966' |
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]; |
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/** |
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* Alias of PhoneNumberUtil::getInstance |
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* @return PhoneNumberUtil |
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*/ |
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public static function getPhoneNumberUtil() |
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{ |
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return PhoneNumberUtil::getInstance(); |
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} |
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/** |
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* @return string |
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*/ |
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public static function getDefaultCountryCode() |
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{ |
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return substr(i18n::get_locale(), 3, 2); |
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} |
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/** |
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* @param string $code |
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* @return int|null |
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*/ |
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public static function convertCountryCodeToPrefix($code) |
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{ |
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$code = strtoupper($code); |
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$list = self::listCountryPrefixes(); |
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return $list[$code] ?? null; |
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} |
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/** |
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* @return array<string,int> |
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*/ |
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public static function listCountryPrefixes() |
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{ |
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$countries = self::getCountriesList(); |
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$util = self::getPhoneNumberUtil(); |
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$map = []; |
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foreach ($countries as $countryCode => $countryName) { |
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$map[$countryCode] = $util->getCountryCodeForRegion($countryCode); |
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} |
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return $map; |
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} |
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/** |
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* Get the country list, using IntlLocales |
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* |
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* Keys are set to UPPERCASE to match ISO standards |
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* |
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* @return array<string,string> |
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*/ |
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public static function getCountriesList() |
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{ |
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$intl = new IntlLocales; |
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$countries = $intl->getCountries(); |
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$countries = array_change_key_case($countries, CASE_UPPER); |
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return $countries; |
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} |
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/** |
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* Validate phone number. Error in formatting result in an NumberParseException |
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* that you must catch yourself. |
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* |
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* @throws NumberParseException |
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* @param string $value |
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* @param ?string $country An ISO 3166-1 two letter country code (=> UPPERCASE). |
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* @return bool |
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*/ |
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public static function validatePhoneNumber($value, $country = null) |
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{ |
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$util = self::getPhoneNumberUtil(); |
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// Default country |
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if ($country === null) { |
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$country = self::getDefaultCountryCode(); |
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} |
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// It's an international number, let the parser define the country |
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if (strpos($value, '+') === 0) { |
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$country = null; |
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} |
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$number = $util->parse($value, $country); |
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return $util->isValidNumber($number); |
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} |
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/** |
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* Format phone number. Error in formatting result in an NumberParseException |
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* that you must catch yourself. |
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* |
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* @param string $value |
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* @param string $country An ISO 3166-1 two letter country code. |
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* @param string|int|null $format NATIONAL by default (=> UPPERCASE) |
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* @return string |
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*/ |
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public static function formatPhoneNumber($value, $country = null, $format = null) |
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{ |
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if (empty($value)) { |
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return ''; |
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} |
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$util = self::getPhoneNumberUtil(); |
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// Default country |
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if ($country === null) { |
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$country = self::getDefaultCountryCode(); |
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} |
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// Format |
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if ($format === null) { |
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$format = self::DEFAULT_FORMAT; |
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} |
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if (is_string($format)) { |
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$format = strtoupper($format); |
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if (!(in_array($format, self::$valid_formats))) { |
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$format = self::DEFAULT_FORMAT; |
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} |
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$format = constant("libphonenumber\PhoneNumberFormat::$format"); |
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} |
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// It's an international number, let the parser define the country |
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if (strpos($value, '+') === 0) { |
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$country = null; |
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} |
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// Don't fail |
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try { |
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$number = $util->parse($value, $country); |
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} catch (NumberParseException $e) { |
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return $value; |
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} |
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// It's not valid, simply return the given value |
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if (!$util->isValidNumber($number)) { |
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return $value; |
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} |
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return $util->format($number, $format); |
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} |
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} |
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lekoala /
silverstripe-phonenumber
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