Geography.php

<?php

class Geography {

    public $countries;

    public function __construct() {

        # Define country code/names
        $this->countries = [
            'AF'=>'AFGHANISTAN',
            'AL'=>'ALBANIA',
            'DZ'=>'ALGERIA',
            'AS'=>'AMERICAN SAMOA',
            'AD'=>'ANDORRA',
            'AO'=>'ANGOLA',
            'AI'=>'ANGUILLA',
            'AQ'=>'ANTARCTICA',
            'AG'=>'ANTIGUA AND BARBUDA',
            'AR'=>'ARGENTINA',
            'AM'=>'ARMENIA',
            'AW'=>'ARUBA',
            'AU'=>'AUSTRALIA',
            'AT'=>'AUSTRIA',
            'AZ'=>'AZERBAIJAN',
            'BS'=>'BAHAMAS',
            'BH'=>'BAHRAIN',
            'BD'=>'BANGLADESH',
            'BB'=>'BARBADOS',
            'BY'=>'BELARUS',
            'BE'=>'BELGIUM',
            'BZ'=>'BELIZE',
            'BJ'=>'BENIN',
            'BM'=>'BERMUDA',
            'BT'=>'BHUTAN',
            'BO'=>'BOLIVIA',
            'BA'=>'BOSNIA AND HERZEGOVINA',
            'BW'=>'BOTSWANA',
            'BV'=>'BOUVET ISLAND',
            'BR'=>'BRAZIL',
            'IO'=>'BRITISH INDIAN OCEAN TERRITORY',
            'BN'=>'BRUNEI DARUSSALAM',
            'BG'=>'BULGARIA',
            'BF'=>'BURKINA FASO',
            'BI'=>'BURUNDI',
            'KH'=>'CAMBODIA',
            'CM'=>'CAMEROON',
            'CA'=>'CANADA',
            'CV'=>'CAPE VERDE',
            'KY'=>'CAYMAN ISLANDS',
            'CF'=>'CENTRAL AFRICAN REPUBLIC',
            'TD'=>'CHAD',
            'CL'=>'CHILE',
            'CN'=>'CHINA',
            'CX'=>'CHRISTMAS ISLAND',
            'CC'=>'COCOS (KEELING) ISLANDS',
            'CO'=>'COLOMBIA',
            'KM'=>'COMOROS',
            'CG'=>'CONGO',
            'CD'=>'CONGO, THE DEMOCRATIC REPUBLIC OF THE',
            'CK'=>'COOK ISLANDS',
            'CR'=>'COSTA RICA',
            'CI'=>'COTE D IVOIRE',
            'HR'=>'CROATIA',
            'CU'=>'CUBA',
            'CY'=>'CYPRUS',
            'CZ'=>'CZECH REPUBLIC',
            'DK'=>'DENMARK',
            'DJ'=>'DJIBOUTI',
            'DM'=>'DOMINICA',
            'DO'=>'DOMINICAN REPUBLIC',
            'TP'=>'EAST TIMOR',
            'EC'=>'ECUADOR',
            'EG'=>'EGYPT',
            'SV'=>'EL SALVADOR',
            'GQ'=>'EQUATORIAL GUINEA',
            'ER'=>'ERITREA',
            'EE'=>'ESTONIA',
            'ET'=>'ETHIOPIA',
            'FK'=>'FALKLAND ISLANDS (MALVINAS)',
            'FO'=>'FAROE ISLANDS',
            'FJ'=>'FIJI',
            'FI'=>'FINLAND',
            'FR'=>'FRANCE',
            'GF'=>'FRENCH GUIANA',
            'PF'=>'FRENCH POLYNESIA',
            'TF'=>'FRENCH SOUTHERN TERRITORIES',
            'GA'=>'GABON',
            'GM'=>'GAMBIA',
            'GE'=>'GEORGIA',
            'DE'=>'GERMANY',
            'GH'=>'GHANA',
            'GI'=>'GIBRALTAR',
            'GR'=>'GREECE',
            'GL'=>'GREENLAND',
            'GD'=>'GRENADA',
            'GP'=>'GUADELOUPE',
            'GU'=>'GUAM',
            'GT'=>'GUATEMALA',
            'GN'=>'GUINEA',
            'GW'=>'GUINEA-BISSAU',
            'GY'=>'GUYANA',
            'HT'=>'HAITI',
            'HM'=>'HEARD ISLAND AND MCDONALD ISLANDS',
            'VA'=>'HOLY SEE (VATICAN CITY STATE)',
            'HN'=>'HONDURAS',
            'HK'=>'HONG KONG',
            'HU'=>'HUNGARY',
            'IS'=>'ICELAND',
            'IN'=>'INDIA',
            'ID'=>'INDONESIA',
            'IR'=>'IRAN, ISLAMIC REPUBLIC OF',
            'IQ'=>'IRAQ',
            'IE'=>'IRELAND',
            'IL'=>'ISRAEL',
            'IT'=>'ITALY',
            'JM'=>'JAMAICA',
            'JP'=>'JAPAN',
            'JO'=>'JORDAN',
            'KZ'=>'KAZAKSTAN',
            'KE'=>'KENYA',
            'KI'=>'KIRIBATI',
            'KP'=>'KOREA DEMOCRATIC PEOPLES REPUBLIC OF',
            'KR'=>'KOREA REPUBLIC OF',
            'KW'=>'KUWAIT',
            'KG'=>'KYRGYZSTAN',
            'LA'=>'LAO PEOPLES DEMOCRATIC REPUBLIC',
            'LV'=>'LATVIA',
            'LB'=>'LEBANON',
            'LS'=>'LESOTHO',
            'LR'=>'LIBERIA',
            'LY'=>'LIBYAN ARAB JAMAHIRIYA',
            'LI'=>'LIECHTENSTEIN',
            'LT'=>'LITHUANIA',
            'LU'=>'LUXEMBOURG',
            'MO'=>'MACAU',
            'MK'=>'MACEDONIA, THE FORMER YUGOSLAV REPUBLIC OF',
            'MG'=>'MADAGASCAR',
            'MW'=>'MALAWI',
            'MY'=>'MALAYSIA',
            'MV'=>'MALDIVES',
            'ML'=>'MALI',
            'MT'=>'MALTA',
            'MH'=>'MARSHALL ISLANDS',
            'MQ'=>'MARTINIQUE',
            'MR'=>'MAURITANIA',
            'MU'=>'MAURITIUS',
            'YT'=>'MAYOTTE',
            'MX'=>'MEXICO',
            'FM'=>'MICRONESIA, FEDERATED STATES OF',
            'MD'=>'MOLDOVA, REPUBLIC OF',
            'MC'=>'MONACO',
            'MN'=>'MONGOLIA',
            'MS'=>'MONTSERRAT',
            'MA'=>'MOROCCO',
            'MZ'=>'MOZAMBIQUE',
            'MM'=>'MYANMAR',
            'NA'=>'NAMIBIA',
            'NR'=>'NAURU',
            'NP'=>'NEPAL',
            'NL'=>'NETHERLANDS',
            'AN'=>'NETHERLANDS ANTILLES',
            'NC'=>'NEW CALEDONIA',
            'NZ'=>'NEW ZEALAND',
            'NI'=>'NICARAGUA',
            'NE'=>'NIGER',
            'NG'=>'NIGERIA',
            'NU'=>'NIUE',
            'NF'=>'NORFOLK ISLAND',
            'MP'=>'NORTHERN MARIANA ISLANDS',
            'NO'=>'NORWAY',
            'OM'=>'OMAN',
            'PK'=>'PAKISTAN',
            'PW'=>'PALAU',
            'PS'=>'PALESTINIAN TERRITORY, OCCUPIED',
            'PA'=>'PANAMA',
            'PG'=>'PAPUA NEW GUINEA',
            'PY'=>'PARAGUAY',
            'PE'=>'PERU',
            'PH'=>'PHILIPPINES',
            'PN'=>'PITCAIRN',
            'PL'=>'POLAND',
            'PT'=>'PORTUGAL',
            'PR'=>'PUERTO RICO',
            'QA'=>'QATAR',
            'RE'=>'REUNION',
            'RO'=>'ROMANIA',
            'RU'=>'RUSSIAN FEDERATION',
            'RW'=>'RWANDA',
            'SH'=>'SAINT HELENA',
            'KN'=>'SAINT KITTS AND NEVIS',
            'LC'=>'SAINT LUCIA',
            'PM'=>'SAINT PIERRE AND MIQUELON',
            'VC'=>'SAINT VINCENT AND THE GRENADINES',
            'WS'=>'SAMOA',
            'SM'=>'SAN MARINO',
            'ST'=>'SAO TOME AND PRINCIPE',
            'SA'=>'SAUDI ARABIA',
            'SN'=>'SENEGAL',
            'SC'=>'SEYCHELLES',
            'SL'=>'SIERRA LEONE',
            'SG'=>'SINGAPORE',
            'SK'=>'SLOVAKIA',
            'SI'=>'SLOVENIA',
            'SB'=>'SOLOMON ISLANDS',
            'SO'=>'SOMALIA',
            'ZA'=>'SOUTH AFRICA',
            'GS'=>'SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS',
            'ES'=>'SPAIN',
            'LK'=>'SRI LANKA',
            'SD'=>'SUDAN',
            'SR'=>'SURINAME',
            'SJ'=>'SVALBARD AND JAN MAYEN',
            'SZ'=>'SWAZILAND',
            'SE'=>'SWEDEN',
            'CH'=>'SWITZERLAND',
            'SY'=>'SYRIAN ARAB REPUBLIC',
            'TW'=>'TAIWAN, PROVINCE OF CHINA',
            'TJ'=>'TAJIKISTAN',
            'TZ'=>'TANZANIA, UNITED REPUBLIC OF',
            'TH'=>'THAILAND',
            'TG'=>'TOGO',
            'TK'=>'TOKELAU',
            'TO'=>'TONGA',
            'TT'=>'TRINIDAD AND TOBAGO',
            'TN'=>'TUNISIA',
            'TR'=>'TURKEY',
            'TM'=>'TURKMENISTAN',
            'TC'=>'TURKS AND CAICOS ISLANDS',
            'TV'=>'TUVALU',
            'UG'=>'UGANDA',
            'UA'=>'UKRAINE',
            'AE'=>'UNITED ARAB EMIRATES',
            'GB'=>'UNITED KINGDOM',
            'US'=>'UNITED STATES',
            'UM'=>'UNITED STATES MINOR OUTLYING ISLANDS',
            'UY'=>'URUGUAY',
            'UZ'=>'UZBEKISTAN',
            'VU'=>'VANUATU',
            'VE'=>'VENEZUELA',
            'VN'=>'VIET NAM',
            'VG'=>'VIRGIN ISLANDS, BRITISH',
            'VI'=>'VIRGIN ISLANDS, U.S.',
            'WF'=>'WALLIS AND FUTUNA',
            'EH'=>'WESTERN SAHARA',
            'YE'=>'YEMEN',
            'YU'=>'YUGOSLAVIA',
            'ZM'=>'ZAMBIA',
            'ZW'=>'ZIMBABWE',
      ];
    }

    /*
    * Given a country code, return it's corresponding country name
    */
    public static function getCountryName($countryCode) {
        return $this->countries[$countryCode];
    }

    /*
    * Given a country name, return it's corresponding country code
    */ 
    public static function getCountryCode($countryName) {
        return array_search($countryName, $this->countries);
    }