Free PHP Scripts, SEO tools and tutorials - Sim.PHP

Simple users online class (SimOnline)

Download:

SimOnline v1.1

Demo:

http://www.free-midi.org

Price:

Free. If you like this script, please view my small Amazon Wish List. I will also give free tech support to those who donate :)

Support:

If you need any help with this program please visit usersOnline class support board first. I will help you with all your problems. Also, if you modified this class submit your modification here.

Description:

This very simple class enables you to track number of visitors online in an easy and accurate manner.

Main features include:

Automatic insertion of new user
Automatic database cleanup
Check if user is coming behind proxy server (this helps in script accuracy)
Display of users online
Error reporting

Version history:

v1.1 July 28, 2005
v1.0 December 21, 2003

Requirements:

PHP
MySQL

Installation:

Execute these queries on your database:


<?php
CREATE TABLE `useronline` (
  `id` int(10) NOT NULL auto_increment,
  `ip` varchar(15) NOT NULL default '',
  `timestamp` varchar(15) NOT NULL default '',
  PRIMARY KEY (`id`),
  UNIQUE KEY `id`(`id`)
) TYPE=MyISAM COMMENT='' AUTO_INCREMENT=1 ;
?>

Set up database connection parameters. If you don't know how, check our simple MySQL database connection tutorial.

Paste this code on page where you wish your number of users online to appear (example use):


<?php
 include_once ("usersOnline.class.php");
$visitors_online = new usersOnline();

if (count($visitors_online->error) == 0) {

    if ($visitors_online->count_users() == 1) {
        echo "There is " . $visitors_online->count_users() . " visitor online";
    }
    else {
        echo "There are " . $visitors_online->count_users() . " visitors online";
    }
}
else {
    echo "<b>Users online class errors:</b><br /><ul>\r\n";
    for ($i = 0; $i < count($visitors_online->error); $i ++ ) {
        echo "<li>" . $visitors_online->error[$i] . "</li>\r\n";
    }
    echo "</ul>\r\n";

}
?>