<?php
class jsCheck {
/*
* jsCheck - By Gustav Eklundh
* A PHP-class to check if JavaScript is activated or not.
*
* Copyright (C) 2009 Gustav Eklundh
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License v3 as published
* by the Free Software Foundation.
*
* 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/>.
*
* Homepage: http://threebyte.eu/
* Email: gustav@xcoders.info
**/
public function __construct() {
if(!isset($_SESSION)) {
session_start();
}
if(!isset($_SESSION['javascript'])) {
$_SESSION['javascript'] = false;
}
if(!isset($_SESSION['loaded'])) {
$_SESSION['loaded'] = 1;
}
}
public $js = false;
public function checkJsByCookies() {
if($_SESSION['loaded'] < 2) {
if(isset($_COOKIE['javascript']) && $_COOKIE['javascript'] == true) {
$_SESSION['javascript'] = true;
}
if($_SESSION['javascript'] == false) {
echo <<<JS
<script type="text/javascript">
document.cookie = "javascript=true";
</script>
JS;
$_SESSION['loaded']++;
}
}
$this->js = $_SESSION['javascript'];
}
public function checkJsByForm() {
if(isset($_POST['javascript'])) {
$_SESSION['javascript'] = true;
}
if($_SESSION['loaded'] < 2 && $_SESSION['javascript'] != true) {
$_SESSION['loaded']++;
echo <<<JS
<form name="javascript" id="javascript" method="post" style="display:none">
<input name="javascript" type="text" value="true" />
<script type="text/javascript">
document.javascript.submit();
</script>
</form>
JS;
}
$this->js = $_SESSION['javascript'];
}
public function isJsActivated() {
if($this->js == true || $_SESSION['javascript'] == true) {
return true;
}
else {
return false;
}
}
}
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