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/home/develito/www/components/com_tags/controllers/tags.php

<?php
/**
 * @package     Joomla.Site
 * @subpackage  com_tags
 *
 * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

/**
 * The Tags List Controller
 *
 * @since  3.1
 */
class TagsControllerTags extends JControllerLegacy
{
	/**
	 * Method to search tags with AJAX
	 *
	 * @return  void
	 */
	public function searchAjax()
	{
		// Required objects
		$app = JFactory::getApplication();
		$user = JFactory::getUser();

// Receive request data
		$filters = array(
			'like'      => trim($app->input->get('like', null, 'string')),
			'title'     => trim($app->input->get('title', null, 'string')),
			'flanguage' => $app->input->get('flanguage', null, 'word'),
			'published' => $app->input->get('published', 1, 'int'),
			'parent_id' => $app->input->get('parent_id', 0, 'int'),
			'access'    => $user->getAuthorisedViewLevels(),
		);

if ((!$user->authorise('core.edit.state', 'com_tags')) && (!$user->authorise('core.edit', 'com_tags')))
		{
			// Filter on published for those who do not have edit or edit.state rights.
			$filters['published'] = 1;
		}

$results = JHelperTags::searchTags($filters);

if ($results)
		{
			// Output a JSON object
			echo json_encode($results);
		}

$app->close();
	}
}