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/home/develito/httpdocs/administrator/components/com_tags/controller.php

<?php
/**
 * @package     Joomla.Administrator
 * @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;

/**
 * Tags view class for the Tags package.
 *
 * @since  3.1
 */
class TagsController extends JControllerLegacy
{
	/**
	 * Method to display a view.
	 *
	 * @param   boolean  $cachable   If true, the view output will be cached
	 * @param   array    $urlparams  An array of safe URL parameters and their variable types, for valid values see {@link JFilterInput::clean()}.
	 *
	 * @return  JControllerLegacy  This object to support chaining.
	 *
	 * @since   3.1
	 */
	public function display($cachable = false, $urlparams = false)
	{
		$view   = $this->input->get('view', 'tags');
		$layout = $this->input->get('layout', 'default');
		$id     = $this->input->getInt('id');

// Check for edit form.
		if ($view == 'tag' && $layout == 'edit' && !$this->checkEditId('com_tags.edit.tag', $id))
		{
			// Somehow the person just went to the form - we don't allow that.
			$this->setError(JText::sprintf('JLIB_APPLICATION_ERROR_UNHELD_ID', $id));
			$this->setMessage($this->getError(), 'error');
			$this->setRedirect(JRoute::_('index.php?option=com_tags&view=tags', false));

return false;
		}

parent::display();

return $this;
	}
}