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<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Input;

\defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Filter\InputFilter;

/**
 * Joomla! Input Base Class
 *
 * This is an abstracted input class used to manage retrieving data from the application environment.
 *
 * @since       1.7.0
 * @deprecated  5.0  Use Joomla\Input\Input instead
 *
 * @property-read   Input   $get
 * @property-read   Input   $post
 * @property-read   Input   $request
 * @property-read   Input   $server
 * @property-read   Input   $env
 * @property-read   Files   $files
 * @property-read   Cookie  $cookie
 */
class Input extends \Joomla\Input\Input
{
	/**
	 * Container with allowed superglobals
	 *
	 * @var    array
	 * @since  3.8.9
	 * @deprecated  5.0  Use Joomla\Input\Input instead
	 */
	private static $allowedGlobals = array('REQUEST', 'GET', 'POST', 'FILES', 'SERVER', 'ENV');

/**
	 * Input objects
	 *
	 * @var    Input[]
	 * @since  1.7.0
	 * @deprecated  5.0  Use Joomla\Input\Input instead
	 */
	protected $inputs = array();

/**
	 * Constructor.
	 *
	 * @param   array  $source   Source data (Optional, default is $_REQUEST)
	 * @param   array  $options  Array of configuration parameters (Optional)
	 *
	 * @since   1.7.0
	 * @deprecated  5.0  Use Joomla\Input\Input instead
	 */
	public function __construct($source = null, array $options = array())
	{
		if (!isset($options['filter']))
		{
			$this->filter = InputFilter::getInstance();
		}

parent::__construct($source, $options);
	}

/**
	 * Magic method to get an input object
	 *
	 * @param   mixed  $name  Name of the input object to retrieve.
	 *
	 * @return  \Joomla\Input\Input  The request input object
	 *
	 * @since   1.7.0
	 * @deprecated  5.0  Use Joomla\Input\Input instead
	 */
	public function __get($name)
	{
		if (isset($this->inputs[$name]))
		{
			return $this->inputs[$name];
		}

$className = '\\Joomla\\CMS\\Input\\' . ucfirst($name);

if (class_exists($className))
		{
			$this->inputs[$name] = new $className(null, $this->options);

return $this->inputs[$name];
		}

$superGlobal = '_' . strtoupper($name);

if (\in_array(strtoupper($name), self::$allowedGlobals, true) && isset($GLOBALS[$superGlobal]))
		{
			$this->inputs[$name] = new Input($GLOBALS[$superGlobal], $this->options);

return $this->inputs[$name];
		}

// Try using the parent class
		return parent::__get($name);
	}

/**
	 * Gets an array of values from the request.
	 *
	 * @param   array   $vars           Associative array of keys and filter types to apply.
	 *                                  If empty and datasource is null, all the input data will be returned
	 *                                  but filtered using the filter given by the parameter defaultFilter in
	 *                                  InputFilter::clean.
	 * @param   mixed   $datasource     Array to retrieve data from, or null.
	 * @param   string  $defaultFilter  Default filter used in InputFilter::clean if vars is empty and
	 *                                  datasource is null. If 'unknown', the default case is used in
	 *                                  InputFilter::clean.
	 *
	 * @return  mixed  The filtered input data.
	 *
	 * @since   1.7.0
	 * @deprecated  5.0  Use Joomla\Input\Input instead
	 */
	public function getArray(array $vars = array(), $datasource = null, $defaultFilter = 'unknown')
	{
		return $this->getArrayRecursive($vars, $datasource, $defaultFilter, false);
	}

/**
	 * Gets an array of values from the request.
	 *
	 * @param   array   $vars           Associative array of keys and filter types to apply.
	 *                                  If empty and datasource is null, all the input data will be returned
	 *                                  but filtered using the filter given by the parameter defaultFilter in
	 *                                  InputFilter::clean.
	 * @param   mixed   $datasource     Array to retrieve data from, or null.
	 * @param   string  $defaultFilter  Default filter used in InputFilter::clean if vars is empty and
	 *                                  datasource is null. If 'unknown', the default case is used in
	 *                                  InputFilter::clean.
	 * @param   bool    $recursion      Flag to indicate a recursive function call.
	 *
	 * @return  mixed  The filtered input data.
	 *
	 * @since   3.4.2
	 * @deprecated  5.0  Use Joomla\Input\Input instead
	 */
	protected function getArrayRecursive(array $vars = array(), $datasource = null, $defaultFilter = 'unknown', $recursion = false)
	{
		if (empty($vars) && \is_null($datasource))
		{
			$vars = $this->data;
		}
		else
		{
			if (!$recursion)
			{
				$defaultFilter = null;
			}
		}

$results = array();

foreach ($vars as $k => $v)
		{
			if (\is_array($v))
			{
				if (\is_null($datasource))
				{
					$results[$k] = $this->getArrayRecursive($v, $this->get($k, null, 'array'), $defaultFilter, true);
				}
				else
				{
					$results[$k] = $this->getArrayRecursive($v, $datasource[$k], $defaultFilter, true);
				}
			}
			else
			{
				$filter = $defaultFilter ?? $v;

if (\is_null($datasource))
				{
					$results[$k] = $this->get($k, null, $filter);
				}
				elseif (isset($datasource[$k]))
				{
					$results[$k] = $this->filter->clean($datasource[$k], $filter);
				}
				else
				{
					$results[$k] = $this->filter->clean(null, $filter);
				}
			}
		}

return $results;
	}

/**
	 * Method to unserialize the input.
	 *
	 * @param   string  $input  The serialized input.
	 *
	 * @return  Input  The input object.
	 *
	 * @since   3.0.0
	 * @deprecated  5.0  Use Joomla\Input\Input instead
	 */
	public function unserialize($input)
	{
		// Unserialize the options, data, and inputs.
		list($this->options, $this->data, $this->inputs) = unserialize($input);

// Load the filter.
		if (isset($this->options['filter']))
		{
			$this->filter = $this->options['filter'];
		}
		else
		{
			$this->filter = InputFilter::getInstance();
		}
	}
}