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<?php

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class wfIpLocation {

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const LANGUAGE_DEFAULT = 'en';

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const LANGUAGE_SEPARATOR = '_';

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private $record;

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public function __construct($record) {

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$this->record = is_array($record) ? $record : array();

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}

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public function getCountryRecord() {

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if (array_key_exists('country', $this->record)) {

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$country = $this->record['country'];

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if (is_array($country))

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return $country;

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}

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return array();

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}

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public function getCountryField($field) {

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$country = $this->getCountryRecord();

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if (array_key_exists($field, $country))

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return $country[$field];

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return null;

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}

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public function getCountryCode() {

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$isoCode = $this->getCountryField('iso_code');

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if (is_string($isoCode) && strlen($isoCode) === 2)

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return $isoCode;

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return null;

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}

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private function findBestLanguageMatch($options, $preferredLanguage = self::LANGUAGE_DEFAULT) {

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$languages = array();

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if (is_string($preferredLanguage))

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$languages[] = $preferredLanguage;

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if (strpos($preferredLanguage, self::LANGUAGE_SEPARATOR) !== false) {

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$components = explode(self::LANGUAGE_SEPARATOR, $preferredLanguage);

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$baseLanguage = $components[0];

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if ($baseLanguage !== self::LANGUAGE_DEFAULT)

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$languages[] = $baseLanguage;

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}

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if ($preferredLanguage !== self::LANGUAGE_DEFAULT)

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$languages[] = self::LANGUAGE_DEFAULT;

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foreach ($languages as $language) {

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if (array_key_exists($language, $options))

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return $options[$language];

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}

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if (!empty($options))

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return reset($options);

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return null;

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}

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public function getCountryName($preferredLanguage = self::LANGUAGE_DEFAULT) {

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$names = $this->getCountryField('names');

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if (is_array($names) && !empty($names))

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return $this->findBestLanguageMatch($names, $preferredLanguage);

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return null;

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}

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}

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