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File: class.jscheck.php

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  Classes of Gustav Eklundh  >  jsCheck  >  class.jscheck.php  >  Download  
File: class.jscheck.php
Role: Class source
Content type: text/plain
Description: The class itself.
Class: jsCheck
Check whether Javascript is enabled in the browser
Author: By
Last change: Changed __autoload() to __construct(), which is what it's supposed to be.
Date: 5 years ago
Size: 2,218 bytes
 

Contents

Class file image Download
<?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;
        }
    }
}