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<?php defined('SYSPATH') or die('No direct script access.');
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/*
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* This file is part of open source system FreenetIS
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* and it is released under GPLv3 licence.
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*
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* More info about licence can be found:
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* http://www.gnu.org/licenses/gpl-3.0.html
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*
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* More info about project can be found:
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* http://www.freenetis.org/
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*
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*/
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/**
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* Server helper class.
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*
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* $Id: server.php
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*
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* @package Helper
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* @author Sevcik Roman
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* @see http://my.opera.com/Knedle/blog/show.dml/451690
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*/
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class server
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{
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public static function http_user_agent()
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{
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return $_SERVER['HTTP_USER_AGENT'];
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}
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public static function http_host()
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{
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return $_SERVER['HTTP_HOST'];
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}
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public static function server_name()
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{
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return $_SERVER['SERVER_NAME'];
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}
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public static function server_addr()
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{
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return $_SERVER['SERVER_ADDR'];
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}
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public static function server_port()
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{
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return $_SERVER['SERVER_PORT'];
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}
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public static function remote_addr()
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{
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return $_SERVER['REMOTE_ADDR'];
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}
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public static function http_referer()
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{
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return (isset($_SERVER['HTTP_REFERER'])) ? $_SERVER['HTTP_REFERER'] : '';
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}
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public static function http_accept_language()
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{
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if (array_key_exists('HTTP_ACCEPT_LANGUAGE', $_SERVER))
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{
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return $_SERVER['HTTP_ACCEPT_LANGUAGE'];
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}
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return FALSE;
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}
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/**
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* Returns server software
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*
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* @author Michal Kliment
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* @return string
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*/
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public static function server_software()
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{
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return $_SERVER['SERVER_SOFTWARE'];
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}
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/**
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* Returns name of script.
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*
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* @author Michal Kliment
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* @return string
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*/
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public static function script_name()
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{
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return $_SERVER['SCRIPT_NAME'];
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}
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/**
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* Tests if http server is apache
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*
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* @author Michal Kliment
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* @return boolean
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*/
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public static function is_apache()
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{
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if (strpos(strtolower(server::server_software()), 'apache') === false)
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return false;
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else
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return true;
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}
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/**
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* Tests if mod_rewrite is enabled
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*
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* @author Michal Kliment
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* @return boolen
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*/
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public static function is_mod_rewrite_enabled()
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{
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// server is not apache - other haven't support for mod_rewrite
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if (!server::is_apache())
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return false;
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// mod_rewrite is
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return in_array('mod_rewrite', apache_get_modules());
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}
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/**
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* Return request uri
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*
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* @author Michal Kliment
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* @return string
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*/
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public static function request_uri()
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{
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return $_SERVER['REQUEST_URI'];
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}
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/**
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* Returns query string of current url with ? if not empty
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*
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* @author Michal Kliment
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* @return string
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*/
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public static function query_string()
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{
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return (empty($_SERVER['QUERY_STRING']) ? '' : '?' . $_SERVER['QUERY_STRING']);
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}
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/**
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* Returns base directory of FreenetIS
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*
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* This function is based on current path of this file, please do not
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* relocate this file!!
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*
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* @author Ondřej Fibich
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* @return string
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*/
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public static function base_dir()
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{
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return dirname(dirname(dirname(__FILE__)));
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}
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}
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