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libraries/cms/html/contentlanguage.php

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+<?php
+/**
+ * @package     Joomla.Libraries
+ * @subpackage  HTML
+ *
+ * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE
+ */
+
+defined('JPATH_PLATFORM') or die;
+
+/**
+ * Utility class working with content language select lists
+ *
+ * @package     Joomla.Libraries
+ * @subpackage  HTML
+ * @since       1.6
+ */
+abstract class JHtmlContentLanguage
+{
+	/**
+	 * Cached array of the content language items.
+	 *
+	 * @var    array
+	 * @since  1.6
+	 */
+	protected static $items = null;
+
+	/**
+	 * Get a list of the available content language items.
+	 *
+	 * @param   boolean  $all        True to include All (*)
+	 * @param   boolean  $translate  True to translate All
+	 *
+	 * @return  string
+	 *
+	 * @see     JFormFieldContentLanguage
+	 * @since   1.6
+	 */
+	public static function existing($all = false, $translate = false)
+	{
+		if (empty(static::$items))
+		{
+			// Get the database object and a new query object.
+			$db    = JFactory::getDbo();
+			$query = $db->getQuery(true);
+
+			// Build the query.
+			$query->select('a.lang_code AS value, a.title AS text, a.title_native')
+				->from('#__languages AS a')
+				->where('a.published >= 0')
+				->order('a.title');
+
+			// Set the query and load the options.
+			$db->setQuery($query);
+			static::$items = $db->loadObjectList();
+
+			if ($all)
+			{
+				array_unshift(static::$items, new JObject(array('value' => '*', 'text' => $translate ? JText::alt('JALL', 'language') : 'JALL_LANGUAGE')));
+			}
+		}
+
+		return static::$items;
+	}
+}