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<?php |
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namespace libphonenumber\prefixmapper; |
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use libphonenumber\PhoneNumber; |
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use libphonenumber\PhoneNumberUtil; |
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/** |
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* A utility that maps phone number prefixes to a description string, |
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* which may be, for example, the geographical area the prefix covers. |
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* |
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* Class PhonePrefixMap |
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* @package libphonenumber\prefixmapper |
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*/ |
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class PhonePrefixMap |
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{ |
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private $phonePrefixMapStorage = array(); |
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/** |
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* @var PhoneNumberUtil |
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*/ |
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private $phoneUtil; |
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public function __construct($map) |
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{ |
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$this->phonePrefixMapStorage = $map; |
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$this->phoneUtil = PhoneNumberUtil::getInstance(); |
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} |
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/** |
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* Returns the description of the {@code $number}. This method distinguishes the case of an invalid |
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* prefix and a prefix for which the name is not available in the current language. If the |
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* description is not available in the current language an empty string is returned. If no |
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* description was found for the provided number, null is returned. |
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* |
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* @param PhoneNumber $number The phone number to look up |
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* @return string|null the description of the number |
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*/ |
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public function lookup(PhoneNumber $number) |
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{ |
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$phonePrefix = $number->getCountryCode() . $this->phoneUtil->getNationalSignificantNumber($number); |
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return $this->lookupKey($phonePrefix); |
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} |
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public function lookupKey($key) |
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{ |
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if (count($this->phonePrefixMapStorage) == 0) { |
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return null; |
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} |
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while (strlen($key) > 0) { |
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if (array_key_exists($key, $this->phonePrefixMapStorage)) { |
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return $this->phonePrefixMapStorage[$key]; |
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} |
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$key = substr($key, 0, -1); |
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} |
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return null; |
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} |
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} |
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giggsey /
libphonenumber-for-php
