gistfile1.php

<?php
public static function getStatesByCountryCode($countryCode, $include_empty = true) {
  if (empty($countryCode)) {
    return false;
  }

  $countryCode = strtoupper($countryCode);

  $states = array(
    'US' => array(
      'AL' => 'ALABAMA',
      'AK' => 'ALASKA',
      'AZ' => 'ARIZONA',
      'AR' => 'ARKANSAS',
      'CA' => 'CALIFORNIA',
      'CZ' => 'CANAL ZONE',
      'CO' => 'COLORADO',
      'CT' => 'CONNECTICUT',
      'DE' => 'DELAWARE',
      'DC' => 'DISTRICT OF COLUMBIA',
      'FL' => 'FLORIDA',
      'GA' => 'GEORGIA',
      'HI' => 'HAWAII',
      'ID' => 'IDAHO',
      'IL' => 'ILLINOIS',
      'IN' => 'INDIANA',
      'IA' => 'IOWA',
      'KS' => 'KANSAS',
      'KY' => 'KENTUCKY',
      'LA' => 'LOUISIANA',
      'ME' => 'MAINE',
      'MD' => 'MARYLAND',
      'MA' => 'MASSACHUSETTS',
      'MI' => 'MICHIGAN',
      'MN' => 'MINNESOTA',
      'MS' => 'MISSISSIPPI',
      'MO' => 'MISSOURI',
      'MT' => 'MONTANA',
      'NE' => 'NEBRASKA',
      'NV' => 'NEVADA',
      'NH' => 'NEW HAMPSHIRE',
      'NJ' => 'NEW JERSEY',
      'NM' => 'NEW MEXICO',
      'NY' => 'NEW YORK',
      'NC' => 'NORTH CAROLINA',
      'ND' => 'NORTH DAKOTA',
      'OH' => 'OHIO',
      'OK' => 'OKLAHOMA',
      'OR' => 'OREGON',
      'PA' => 'PENNSYLVANIA',
      'PR' => 'PUERTO RICO',
      'RI' => 'RHODE ISLAND',
      'SC' => 'SOUTH CAROLINA',
      'SD' => 'SOUTH DAKOTA',
      'TN' => 'TENNESSEE',
      'TX' => 'TEXAS',
      'UT' => 'UTAH',
      'VT' => 'VERMONT',
      'VI' => 'VIRGIN ISLANDS',
      'VA' => 'VIRGINIA',
      'WA' => 'WASHINGTON',
      'WV' => 'WEST VIRGINIA',
      'WI' => 'WISCONSIN',
      'WY' => 'WYOMING'
      ),
    'CA' => array(
      'AB' => 'ALBERTA',
      'BC' => 'BRITISH COLUMBIA',
      'MB' => 'MANITOBA',
      'NB' => 'NEW BRUNSWICK',
      'NF' => 'NEWFOUNDLAND',
      'NT' => 'NORTH WEST TERRITORIES',
      'NS' => 'NOVA SCOTIA',
      'NU' => 'NUNVANU',
      'ON' => 'ONTARIO',
      'PE' => 'PRINCE EDWARD ISLAND',
      'QC' => 'QUEBEC',
      'SK' => 'SASKATCHEWAN',
      'YT' => 'YUKON'
      ),
    'JP' => array(
      '1'  => '北海道',
      '10' => '群馬県',
      '11' => '埼玉県',
      '12' => '千葉県',
      '13' => '東京都',
      '14' => '神奈川県',
      '15' => '新潟県',
      '16' => '富山県',
      '17' => '石川県',
      '18' => '福井県',
      '19' => '山梨県',
      '2'  => '青森県',
      '20' => '長野県',
      '21' => '岐阜県',
      '22' => '静岡県',
      '23' => '愛知県',
      '24' => '三重県',
      '25' => '滋賀県',
      '26' => '京都府',
      '27' => '大阪府',
      '28' => '兵庫県',
      '29' => '奈良県',
      '3'  => '岩手県',
      '30' => '和歌山県',
      '31' => '鳥取県',
      '32' => '島根県',
      '33' => '岡山県',
      '34' => '広島県',
      '35' => '山口県',
      '36' => '徳島県',
      '37' => '香川県',
      '38' => '愛媛県',
      '39' => '高知県',
      '4'  => '宮城県',
      '40' => '福岡県',
      '41' => '佐賀県',
      '42' => '長崎県',
      '43' => '熊本県',
      '44' => '大分県',
      '45' => '宮崎県',
      '46' => '鹿児島県',
      '47' => '沖縄県',
      '5'  => '秋田県',
      '6'  => '山形県',
      '7'  => '福島県',
      '8'  => '茨城県',
      '9'  => '栃木県'
      )
    );

  if (!empty($states[$countryCode])) {
    $country_states = $states[$countryCode];

    // add default value on first place of array
    // @see http://fr.php.net/manual/fr/function.array-unshift.php#106570
    if ($include_empty)
    {
      $country_states = array_reverse($country_states, true);
      $country_states[] = t('- Select -', array(), array('context' => 'Funnel'));
      $country_states = array_reverse($country_states, true);
    }

    return $country_states;
  }

  return false;
}