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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb;
/**
* Class to handle viewonline related tasks
*/
class viewonline_helper
{
/** @var \phpbb\filesystem\filesystem_interface */
protected $filesystem;
/**
* @param \phpbb\filesystem\filesystem_interface $filesystem phpBB's filesystem service
*/
public function __construct(\phpbb\filesystem\filesystem_interface $filesystem)
{
$this->filesystem = $filesystem;
}
/**
* Get user page
*
* @param string $session_page User's session page
* @return array Match array filled by preg_match()
*/
public function get_user_page($session_page)
{
$session_page = $this->filesystem->clean_path($session_page);
if (strpos($session_page, './') === 0)
{
$session_page = substr($session_page, 2);
}
preg_match('#^((\.\./)*([a-z0-9/_-]+))#i', $session_page, $on_page);
if (empty($on_page))
{
$on_page[1] = '';
}
return $on_page;
}
}
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