<?php
/* --------------------------------------------------------------
   gm_get_env_info.inc.php 2011-09-20 gambio
   Gambio GmbH
   http://www.gambio.de
   Copyright (c) 2011 Gambio GmbH
   Released under the GNU General Public License (Version 2)
   [http://www.gnu.org/licenses/gpl-2.0.html]
   --------------------------------------------------------------
*/
?><?php

function gm_get_env_info($p_info)
{
	$t_env_info = '';

	switch($p_info)
	{
		case 'PHP_SELF':
			$t_env_info = $_SERVER['PHP_SELF'];

			if(strlen($_SERVER['PATH_INFO']) > 1)
			{
				$t_env_info = str_replace($_SERVER['PATH_INFO'], '', $t_env_info);

				if(empty($t_env_info))
				{
					if(!empty($_SERVER['SCRIPT_NAME']) && strpos($_SERVER['SCRIPT_NAME'], '.php') !== false)
					{
						$t_env_info = $_SERVER['SCRIPT_NAME'];
					}
					elseif(!empty($_SERVER['PHP_SELF']) && strpos($_SERVER['PHP_SELF'], '.php') !== false)
					{
						$t_env_info = $_SERVER['PHP_SELF'];
					}
					elseif(!empty($_SERVER['SCRIPT_FILENAME']) && strpos($_SERVER['SCRIPT_FILENAME'], '.php') !== false && $_SERVER['DOCUMENT_ROOT'] != $_SERVER['SCRIPT_FILENAME'])
					{
						$t_env_info = $_SERVER['SCRIPT_FILENAME'];
						$t_env_info = str_replace($_SERVER['DOCUMENT_ROOT'], '', $t_env_info);
					}
					elseif($_SERVER['DOCUMENT_ROOT'] == $_SERVER['SCRIPT_FILENAME'] && defined('DIR_WS_CATALOG'))
					{
						$t_filename = basename($_SERVER['SCRIPT_FILENAME']);
						$t_env_info = DIR_WS_CATALOG . $t_filename;
					}
				}
			}

			break;
		case 'REQUEST_URI':
			$t_env_info = $_SERVER['REQUEST_URI'];

			break;
		case 'SCRIPT_NAME':
			$t_env_info = $_SERVER['SCRIPT_NAME'];
			if(empty($t_env_info))
			{
				$t_env_info = str_replace($_SERVER['DOCUMENT_ROOT'], '/', $_SERVER['SCRIPT_FILENAME']);

				if($_SERVER['DOCUMENT_ROOT'] == $_SERVER['SCRIPT_FILENAME'] && defined('DIR_WS_CATALOG'))
				{
					$t_filename = basename($_SERVER['SCRIPT_FILENAME']);
					$t_env_info = DIR_WS_CATALOG . $t_filename;
				}

				if(empty($t_env_info))
				{
					$t_env_info = $_SERVER['PHP_SELF'];
				}
			}

			break;
		case 'PATH_INFO':
			$t_env_info = $_SERVER['PATH_INFO'];

			break;
		case 'TEMPLATE_VERSION':
			$coo_template_control = MainFactory::create_object('TemplateControl', array(), true);
			$t_env_info = $coo_template_control->get_template_presentation_version();

			break;
		case 'MYSQL_VERSION':
			$t_sql = "SELECT VERSION() AS version";
			$t_result = @mysqli_query($GLOBALS["___mysqli_ston"], $t_sql);
			$t_result_array = @mysqli_fetch_array($t_result);

			if(isset($t_result_array['version']))
			{
				$t_env_info = $t_result_array['version'];
			}

			break;
		default:
			trigger_error('gm_get_env_info(): requested information not found: '. $p_info);
	}

	return $t_env_info;
}

?>