Add i18n class and world country list

common/framework/i18n.php

@@ -0,0 +1,78 @@
+<?php
+
+namespace Rhymix\Framework;
+
+/**
+ * The i18n (internationalization) class.
+ */
+class i18n
+{
+	/**
+	 * Constants for sorting.
+	 */
+	const SORT_CODE_2 = 2;
+	const SORT_CODE_3 = 3;
+	const SORT_CODE_NUMERIC = 4;
+	const SORT_CCTLD = 5;
+	const SORT_NAME_ENGLISH = 6;
+	const SORT_NAME_KOREAN = 7;
+	const SORT_NAME_NATIVE = 8;
+	
+	/**
+	 * Get the list of all countries.
+	 * 
+	 * @param int $sort_by
+	 * @return array
+	 */
+	public static function listCountries($sort_by = self::SORT_NAME_ENGLISH)
+	{
+		$countries = (include \RX_BASEDIR . 'common/defaults/countries.php');
+		$result = array();
+		
+		foreach ($countries as $country)
+		{
+			$result[$country['iso_3166_1_alpha3']] = (object)$country;
+		}
+		
+		switch ($sort_by)
+		{
+			case self::SORT_CODE_2:
+				uasort($result, function($a, $b) {
+					return strcmp($a->iso_3166_1_alpha2, $b->iso_3166_1_alpha2);
+				});
+				break;
+			case self::SORT_CODE_3:
+				uasort($result, function($a, $b) {
+					return strcmp($a->iso_3166_1_alpha3, $b->iso_3166_1_alpha3);
+				});
+				break;
+			case self::SORT_CODE_NUMERIC:
+				uasort($result, function($a, $b) {
+					return strcmp($a->iso_3166_1_numeric, $b->iso_3166_1_numeric);
+				});
+				break;
+			case self::SORT_CCTLD:
+				uasort($result, function($a, $b) {
+					return strcmp($a->cctld, $b->cctld);
+				});
+				break;
+			case self::SORT_NAME_ENGLISH:
+				uasort($result, function($a, $b) {
+					return strcmp($a->name_english, $b->name_english);
+				});
+				break;
+			case self::SORT_NAME_KOREAN:
+				uasort($result, function($a, $b) {
+					return strcmp($a->name_korean, $b->name_korean);
+				});
+				break;
+			case self::SORT_NAME_NATIVE:
+				uasort($result, function($a, $b) {
+					return strcmp($a->name_native, $b->name_native);
+				});
+				break;
+		}
+		
+		return $result;
+	}
+}