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<?php |
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/** |
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* Created by PhpStorm. |
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* User: giggsey |
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* Date: 14/10/13 |
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* Time: 16:00 |
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*/ |
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namespace libphonenumber; |
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use libphonenumber\prefixmapper\PrefixTimeZonesMap; |
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class PhoneNumberToTimeZonesMapper |
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{ |
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const UNKNOWN_TIMEZONE = 'Etc/Unknown'; |
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const MAPPING_DATA_DIRECTORY = '/timezone/data/'; |
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const MAPPING_DATA_FILE_NAME = "map_data.php"; |
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/** |
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* @var PhoneNumberToTimeZonesMapper |
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*/ |
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protected static $instance = null; |
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protected $unknownTimeZoneList = array(); |
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/** |
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* @var PhoneNumberUtil |
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*/ |
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protected $phoneUtil; |
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protected $prefixTimeZonesMap; |
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protected function __construct($phonePrefixDataDirectory) |
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{ |
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$this->prefixTimeZonesMap = static::loadPrefixTimeZonesMapFromFile( |
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dirname(__FILE__) . $phonePrefixDataDirectory . DIRECTORY_SEPARATOR . static::MAPPING_DATA_FILE_NAME |
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); |
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$this->phoneUtil = PhoneNumberUtil::getInstance(); |
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$this->unknownTimeZoneList[] = static::UNKNOWN_TIMEZONE; |
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} |
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protected static function loadPrefixTimeZonesMapFromFile($path) |
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{ |
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if (!is_readable($path)) { |
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throw new \InvalidArgumentException("Mapping file can not be found"); |
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} |
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$data = require $path; |
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$map = new PrefixTimeZonesMap($data); |
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return $map; |
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} |
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/** |
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* Gets a {@link PhoneNumberToTimeZonesMapper} instance. |
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* |
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* <p> The {@link PhoneNumberToTimeZonesMapper} is implemented as a singleton. Therefore, calling |
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* this method multiple times will only result in one instance being created. |
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* |
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* @param $mappingDir |
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* @return PhoneNumberToTimeZonesMapper instance |
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*/ |
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public static function getInstance($mappingDir = self::MAPPING_DATA_DIRECTORY) |
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{ |
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if (static::$instance === null) { |
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static::$instance = new static($mappingDir); |
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} |
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return static::$instance; |
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} |
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/** |
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* Returns a String with the ICU unknown time zone. |
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* @return string |
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*/ |
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public static function getUnknownTimeZone() |
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{ |
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return static::UNKNOWN_TIMEZONE; |
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} |
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/** |
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* As per {@link #getTimeZonesForGeographicalNumber(PhoneNumber)} but explicitly checks |
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* the validity of the number passed in. |
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* |
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* @param $number PhoneNumber the phone number for which we want to get the time zones to which it belongs |
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* @return array a list of the corresponding time zones or a single element list with the default |
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* unknown time zone if no other time zone was found or if the number was invalid |
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*/ |
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public function getTimeZonesForNumber(PhoneNumber $number) |
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{ |
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$numberType = $this->phoneUtil->getNumberType($number); |
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if ($numberType === PhoneNumberType::UNKNOWN) { |
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return $this->unknownTimeZoneList; |
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} elseif (!!PhoneNumberUtil::getInstance()->isNumberGeographical($numberType, $number->getCountryCode())) { |
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return $this->getCountryLevelTimeZonesforNumber($number); |
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} |
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return $this->getTimeZonesForGeographicalNumber($number); |
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} |
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/** |
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* Returns the list of time zones corresponding to the country calling code of {@code number}. |
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* |
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* @param $number PhoneNumber the phone number to look up |
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* @return array the list of corresponding time zones or a single element list with the default |
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* unknown time zone if no other time zone was found |
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*/ |
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protected function getCountryLevelTimeZonesforNumber(PhoneNumber $number) |
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{ |
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$timezones = $this->prefixTimeZonesMap->lookupCountryLevelTimeZonesForNumber($number); |
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return (count($timezones) == 0) ? $this->unknownTimeZoneList : $timezones; |
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} |
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/** |
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* Returns a list of time zones to which a phone number belongs. |
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* |
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* <p>This method assumes the validity of the number passed in has already been checked, and that |
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* the number is geo-localizable. We consider fixed-line and mobile numbers possible candidates |
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* for geo-localization. |
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* |
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* @param $number PhoneNumber a valid phone number for which we want to get the time zones to which it belongs |
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* @return array a list of the corresponding time zones or a single element list with the default |
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* unknown time zone if no other time zone was found or if the number was invalid |
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*/ |
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public function getTimeZonesForGeographicalNumber(PhoneNumber $number) |
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{ |
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return $this->getTimeZonesForGeocodableNumber($number); |
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} |
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/** |
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* Returns a list of time zones to which a geocodable phone number belongs. |
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* |
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* @param PhoneNumber $number The phone number for which we want to get the time zones to which it belongs |
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* @return array the list of correspondiing time zones or a single element list with the default |
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* unknown timezone if no other time zone was found or if the number was invalid |
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*/ |
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protected function getTimeZonesForGeocodableNumber(PhoneNumber $number) |
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{ |
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$timezones = $this->prefixTimeZonesMap->lookupTimeZonesForNumber($number); |
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return (count($timezones) == 0) ? $this->unknownTimeZoneList : $timezones; |
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} |
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} |
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giggsey /
libphonenumber-for-php
