src/Library/Helper/Request.php
<?php
/**
* This file is part of the Library package.
*
* Copyleft (ↄ) 2013-2016 Pierre Cassat <me@e-piwi.fr> and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* The source code of this package is available online at
* <http://github.com/atelierspierrot/library>.
*/
namespace Library\Helper;
/**
* Request helper
*
* As for all helpers, all methods are statics.
*
* For convenience, the best practice is to use:
*
* use Library\Helper\Request as RequestHelper;
*
* @author piwi <me@e-piwi.fr>
*/
class Request
{
/**
* Check if the request is sent by command line interface
*
* @return bool TRUE if it is so ...
*/
public static function isCli()
{
return (bool) (php_sapi_name() == 'cli');
}
/**
* Check if the request is sent via AJAX
*
* @return bool TRUE if it is so ...
*/
public static function isAjax()
{
return (bool) (isset($_SERVER['HTTP_X_REQUESTED_WITH']) &&
(strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest'));
}
/**
* Get the IP address of request device
*
* @return string The IP address if found
*/
public static function getUserIp()
{
if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
} elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
$ip = $_SERVER['HTTP_CLIENT_IP'];
} else {
$ip = $_SERVER['REMOTE_ADDR'];
}
return $ip;
}
}