libphonenumber\ShortNumberInfo::getMetadataForRegion PHP Méthode

    public function getMetadataForRegion($regionCode)
    {
        if (!in_array($regionCode, ShortNumbersRegionCodeSet::$shortNumbersRegionCodeSet)) {
            return null;
        }
        if (!isset($this->regionToMetadataMap[$regionCode])) {
            // The regionCode here will be valid and won't be '001', so we don't need to worry about
            // what to pass in for the country calling code.
            $this->loadMetadataFromFile($this->currentFilePrefix, $regionCode, 0);
        }
        return isset($this->regionToMetadataMap[$regionCode]) ? $this->regionToMetadataMap[$regionCode] : null;
    }

 /**
  * @dataProvider shortNumberRegionList
  */
 public function testCarrierSpecificShortNumbers($regionCode)
 {
     // Test the carrier-specific tag.
     $desc = $this->shortNumberInfo->getMetadataForRegion($regionCode)->getCarrierSpecific();
     if ($desc->hasExampleNumber()) {
         $exampleNumber = $desc->getExampleNumber();
         $carrierSpecificNumber = $this->phoneNumberUtil->parse($exampleNumber, $regionCode);
         if (!$this->shortNumberInfo->isPossibleShortNumberForRegion($carrierSpecificNumber, $regionCode) || !$this->shortNumberInfo->isCarrierSpecific($carrierSpecificNumber)) {
             $this->fail("Carrier-specific test failed for " . $regionCode);
         }
     }
 }