Powerful Chat System – Lesson 9

Powerful Chat System – Lesson 9

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Powerful Chat System - Lesson 9
Powerful Chat System

Powerful Chat System – Lesson 9

Today I prepared new stage of our php/mysql based chat system. In our ninth lesson I added one important feature: public rooms. Now your members can talk in different public rooms. Right to create and remove rooms belong to administrators.

Today, as usual, we will publish only updated sources of our project. As you know, whole project is well structured: system classes is in ‘classes’ folder, all javascript files in ‘js’ folder, stylesheets in ‘css’ folder, all custom avatars in ‘data’ folder, images in ‘images’ folder, template files in ‘templates’ folder.

Live Demo

[sociallocker]

download in package

[/sociallocker]


Now – download the source files and lets start coding !


Step 1. SQL

I added one new table into our database ‘cs_rooms’. This table keeps records about rooms. Please execute next SQL:

CREATE TABLE `cs_rooms` (
  `id` int(11) unsigned NOT NULL auto_increment,
  `title` VARCHAR(255) NOT NULL,
  `owner` int(11) unsigned NOT NULL,
  `when` int(11) NOT NULL default '0',
  PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
INSERT INTO `cs_rooms` (`id`, `title`, `owner`, `when`) VALUES
(NULL, 'Room1', 3, 1338293810),
(NULL, 'Room2', 3, 1338293811),
(NULL, 'Room3', 3, 1338293812);

We have just added three rooms.

Step 2. HTML

I updated template of our main chat box. I added current room id in two places:

templates/chat.html

<form class="chat_submit_form">
    <div><input type="text" name="message" /><input type="submit" value="Submit" name="Submit" /></div>
    <div>
        <h3 class="error">Some error occurs during sending message</h3>
        <h3 class="success">Message successfully sent</h3>
        <h3 class="protect">Please wait 5 secs before adding next message</h3>
    </div>
    <input type="hidden" name="room" value="{room}" />
</form>
<script>
    var iRoom = {room};
</script>
<script src="js/chat.js"></script>

Our main page is affected too, There are several changes regarding rooms feature:

templates/main_page.html

<!DOCTYPE html>
<html lang="en" >
<head>
    <title>Powerful Chat System - Lesson 9</title>
    <link href="css/main.css" rel="stylesheet" type="text/css" />
    <link href="css/rooms.css" rel="stylesheet" type="text/css" />
    <script src="http://code.jquery.com/jquery-latest.min.js"></script>
</head>
<body>
    <header>
        <h2>Powerful Chat System - Lesson 9</h2>
        <a href="https://www.script-tutorials.com/powerful-chat-system-lesson-9/" class="stuts">Back to original tutorial on <span>Script Tutorials</span></a>
    </header>
    <div class="clear"></div>
    <div class="container" id="con1">
        {form}
        {avatar}
    </div>
    <div class="container" id="con2">
        {rooms}
        {new_room}
        <h2>{chat_name} Chat Block</h2>
        <div class="chat_messages">
            {chat}
        </div>
        {input}
    </div>
    <div class="sidebar">
        <div>
            <h2>Online Members Block</h2>
            {online_members}
        </div>
        <div>
            <h2>Last Members</h2>
            {profiles}
        </div>
    </div>
    <div class="priv_dock_wrap"></div>
    {priv_js}
</body>
</html>

And finally I added one new template file to manage with rooms (where we can create or remove current active room)

templates/new_room.html

<form class="new_room_form" method="post">
    <div><input type="text" name="title" /><input type="submit" value="Add room" name="submit" /></div>
    <input type="hidden" name="action" value="add_room" />
</form>
<form class="delete_room_form" method="post">
    <input type="submit" value="Delete current room" name="submit" />
    <input type="hidden" name="room_id" value="{room}" />
    <input type="hidden" name="action" value="delete_room" />
</form>
<div class="clear"></div>
<br /><hr />

Step 3. CSS

Of course, we should stylize the tabs for our rooms (each room – css tab):

css/rooms.css

.roomsHolder {
    font: bold 12px/35px verdana;
    overflow: hidden;
    position: relative;
}
.roomsHolder .shadow {
    background-color: #888888;
    height: 8px;
    left: 5%;
    position: absolute;
    top: -9px;
    width: 90%;
    /* css3 box shadow */
    -webkit-box-shadow: 0 0 10px #000000;
    -moz-box-shadow: 0 0 10px #000000;
    -o-box-shadow: 0 0 10px #000000;
    box-shadow: 0 0 10px #000000;
}
ul.rooms {
    display: block;
    float: right;
    height: 70px;
    list-style: none outside none;
    margin: 0;
    padding: 0 60px;
    position: relative;
}
ul.rooms li {
    float: left;
    margin: 0 5px 0 0;
}
ul.rooms li a {
    color: #DDDDDD;
    display: block;
    padding: 0 10px;
    text-decoration: none;
    /* css3 box shadow */
    -webkit-box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.9);
    -moz-box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.9);
    -o-box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.9);
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.9);
        /* css radius */
    -webkit-border-bottom-right-radius: 10px;
    -webkit-border-bottom-left-radius: 10px;
    -moz-border-radius: 0 0 10px 10px;
    -o-border-radius: 0 0 10px 10px;
    border-radius: 0 0 10px 10px;
        /* css3 transition */
    -webkit-transition: all 0.2s ease-in-out;
    -moz-transition: all 0.2s ease-in-out;
    -o-transition: all 0.2s ease-in-out;
    transition: all 0.2s ease-in-out;
}
ul.rooms li a.red {
    background-color:#a00;
}
ul.rooms li a.orange {
    background-color:#da0;
}
ul.rooms li a.green {
    background-color:#060;
}
ul.rooms li a.blue {
    background-color:#00a;
}
ul.rooms li a.indigo {
    background-color:#2b0062;
}
ul.rooms li a.violet {
    background-color:#682bc2;
}
ul.rooms li a:hover, ul.rooms li a.active {
    background:#aaa;
    color:#fff;
    padding:10px 10px 0 10px;
}
ul.rooms li a.red:hover, ul.rooms li a.red.active {
    background-color:#c00;
}
ul.rooms li a.orange:hover, ul.rooms li a.orange.active {
    background-color:#fc0;
}
ul.rooms li a.green:hover, ul.rooms li a.green.active {
    background-color:#080;
}
ul.rooms li a.blue:hover, ul.rooms li a.blue.active {
    background-color:#00c;
}
ul.rooms li a.indigo:hover, ul.rooms li a.indigo.active {
    background-color:#5b1092;
}
ul.rooms li a.violet:hover, ul.rooms li a.violet.active {
    background-color:#8a2be2;
}
.new_room_form {
    float: left;
}
.delete_room_form {
    float: right;
}

Step 4. PHP

Index page file was updated. I added all necessary functional to work with rooms: admins can create and remove rooms. Usual members (and admins too) can write messages into different rooms.

index.php

<?php
// set error reporting level
if (version_compare(phpversion(), '5.3.0', '>=') == 1)
  error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
else
  error_reporting(E_ALL & ~E_NOTICE);
require_once('classes/Services_JSON.php');
require_once('classes/CMySQL.php'); // including service class to work with database
require_once('classes/CLogin.php'); // including service class to work with login processing
require_once('classes/CProfiles.php'); // including service class to work with profiles
$sErrors = '';
// join processing
if (! isset($_SESSION['member_id']) && $_POST['Join'] == 'Join') {
    $GLOBALS['CProfiles']->registerProfile();
}
// login system init and generation code
$sLoginForm = $GLOBALS['CLogin']->getLoginBox();
$sChat = '<h2>You do not have rights to use chat</h2>';
$sInput = $sPrivChatJs = $sRooms = '';
if ($_SESSION['member_id'] && $_SESSION['member_status'] == 'active' && $_SESSION['member_role']) {
    if ($_GET['action'] == 'update_last_nav') { // update last navigate time
        $iPid = (int)$_SESSION['member_id'];
        if ($iPid) {
            $GLOBALS['MySQL']->res("UPDATE `cs_profiles` SET `date_nav` = NOW() WHERE `id` = '{$iPid}'");
        }
        exit;
    }
    require_once('classes/CChat.php'); // including service class to work with chat
    if ($_GET['action'] == 'check_new_messages') { // check for new messages
        $iPid = (int)$_SESSION['member_id'];
        $iSender = $GLOBALS['MainChat']->getRecentMessage($iPid);
        if ($iSender) {
            $aSender = $GLOBALS['CProfiles']->getProfileInfo($iSender);
            $sName = ($aSender['first_name'] && $aSender['last_name']) ? $aSender['first_name'] . ' ' . $aSender['last_name'] : $aSender['name'];
            $oJson = new Services_JSON();
            header('Content-type: application/json');
            echo $oJson->encode(array('id' => $iSender, 'name' => $sName));
        }
        exit;
    }
    if ($_GET['action'] == 'get_private_messages') { // regular updating of messages in chat
        $sChat = $GLOBALS['MainChat']->getMessages((int)$_GET['recipient']);
        $oJson = new Services_JSON();
        header('Content-type: application/json');
        echo $oJson->encode(array('messages' => $sChat));
        exit;
    }
    $iRoom = (int)$_GET['room'];
    $sNewRoom = '';
    if ($_SESSION['member_role'] == 5) {
        $aRoomKeys = array('{room}' => $iRoom);
        $sNewRoom = strtr(file_get_contents('templates/new_room.html'), $aRoomKeys);
        if ($_POST['action'] == 'add_room' && $_POST['title'] != '') {
            $GLOBALS['MainChat']->addRoom($_POST['title']);
        }
        if ($_POST['action'] == 'delete_room' && (int)$_POST['room_id']) {
            $GLOBALS['MainChat']->deleteRoom($_POST['room_id']);
        }
    }
    // get all active rooms
    $sRooms = $GLOBALS['MainChat']->getRooms($iRoom);
    $sChatName = 'Main';
    if ($iRoom) {
        $aRoomInfo = $GLOBALS['MainChat']->getRoomInfo($iRoom);
        $sChatName = $aRoomInfo['title'];
    }
    // get last messages
    $sChat = $GLOBALS['MainChat']->getMessages(0, $iRoom);
    if ($_GET['action'] == 'get_last_messages') { // regular updating of messages in chat
        $oJson = new Services_JSON();
        header('Content-type: application/json');
        echo $oJson->encode(array('messages' => $sChat));
        exit;
    }
    // add avatar
    if ($_POST['action'] == 'add_avatar') {
        $iAvRes = $GLOBALS['CProfiles']->addAvatar();
        header('Content-Type: text/html; charset=utf-8');
        echo ($iAvRes == 1) ? '<h2 style="text-align:center">New avatar has been accepted, refresh main window to see it</h2>' : '';
        exit;
    }
    // get input form
    $sInput = $GLOBALS['MainChat']->getInputForm($iRoom);
    if ($_POST['message']) { // POST-ing of message
        $iPostRoom = (int)$_POST['room'];
        $iRes = $GLOBALS['MainChat']->acceptMessage($iPostRoom);
        $oJson = new Services_JSON();
        header('Content-type: application/json');
        echo $oJson->encode(array('result' => $iRes));
        exit;
    }
    if ($_POST['priv_message']) { // POST-ing of private messages
        $iRes = $GLOBALS['MainChat']->acceptPrivMessage();
        $oJson = new Services_JSON();
        header('Content-type: application/json');
        echo $oJson->encode(array('result' => $iRes));
        exit;
    }
    $sPrivChatJs = '<script src="js/priv_chat.js"></script>';
}
// get profiles lists
$sProfiles = $GLOBALS['CProfiles']->getProfilesBlock();
$sOnlineMembers = $GLOBALS['CProfiles']->getProfilesBlock(10, true);
// get profile avatar
$sAvatar = $GLOBALS['CProfiles']->getProfileAvatarBlock();
// draw common page
$aKeys = array(
    '{chat_name}' => $sChatName,
    '{rooms}' => $sRooms,
    '{new_room}' => $sNewRoom,
    '{form}' => $sLoginForm . $sErrors,
    '{chat}' => $sChat,
    '{input}' => $sInput,
    '{profiles}' => $sProfiles,
    '{online_members}' => $sOnlineMembers,
    '{avatar}' => $sAvatar,
    '{priv_js}' => $sPrivChatJs
);
echo strtr(file_get_contents('templates/main_page.html'), $aKeys);

Next updated file – main chat class. I have added possibility to work with different rooms here too:

classes/CChat.php

<?php
class CChat {
    // constructor
    function CChat() {}
    // add a message to database
    function acceptMessage($iPostRoom = 0) {
        $sName = $GLOBALS['MySQL']->escape($_SESSION['member_name']);
        $iPid = (int)$_SESSION['member_id'];
        $sMessage = $GLOBALS['MySQL']->escape($_POST['message']);
        if ($iPid && $sName != '' && $sMessage != '') {
            $sSQL = "
                SELECT `id`
                FROM `cs_messages`
                WHERE `sender` = '{$iPid}' AND UNIX_TIMESTAMP( ) - `when` < 5
                    AND `room` = '{$iPostRoom}'
                LIMIT 1
            ";
            $iLastId = $GLOBALS['MySQL']->getOne($sSQL);
            if ($iLastId) return 2; // as protection from very often messages
            $bRes = $GLOBALS['MySQL']->res("INSERT INTO `cs_messages` SET `sender` = '{$iPid}', `message` = '{$sMessage}', `when` = UNIX_TIMESTAMP(), `room` = '{$iPostRoom}'");
            return ($bRes) ? 1 : 3;
        }
    }
    // add a private message to database
    function acceptPrivMessage() {
        $sName = $GLOBALS['MySQL']->escape($_SESSION['member_name']);
        $iPid = (int)$_SESSION['member_id'];
        $iRecipient = (int)$_POST['recipient'];
        $sMessage = $GLOBALS['MySQL']->escape($_POST['priv_message']);
        if ($iPid && $iRecipient && $sName != '' && $sMessage != '') {
            $sSQL = "
                SELECT `id`
                FROM `cs_messages`
                WHERE `sender` = '{$iPid}' AND `recipient` = '{$iRecipient}' AND UNIX_TIMESTAMP( ) - `when` < 5
                    AND `room` = 0
                LIMIT 1
            ";
            $iLastId = $GLOBALS['MySQL']->getOne($sSQL);
            if ($iLastId) return 2; // as protection from very often messages
            $bRes = $GLOBALS['MySQL']->res("INSERT INTO `cs_messages` SET `sender` = '{$iPid}', `recipient` = '{$iRecipient}', `message` = '{$sMessage}', `when` = UNIX_TIMESTAMP()");
            return ($bRes) ? 1 : 3;
        }
    }
    // return input text form
    function getInputForm($iRoom = 0) {
        $aKeys = array(
            '{room}' => $iRoom
        );
        return strtr(file_get_contents('templates/chat.html'), $aKeys);
    }
    // get last 10 messages
    function getMessages($iRecipient = 0, $iRoom = 0) {
        $sRecipientSQL = 'WHERE `recipient` = 0';
        if ($iRecipient > 0) {
            $iPid = (int)$_SESSION['member_id'];
            $sRecipientSQL = "WHERE (`sender` = '{$iRecipient}' && `recipient` = '{$iPid}') || (`recipient` = '{$iRecipient}' && `sender` = '{$iPid}')";
        }
        $sRecipientSQL .= " AND `room` = '{$iRoom}'";
        $sSQL = "
            SELECT `a` . * , `cs_profiles`.`name`,  `cs_profiles`.`id` as 'pid' , UNIX_TIMESTAMP( ) - `a`.`when` AS 'diff'
            FROM `cs_messages` AS `a`
            INNER JOIN `cs_profiles` ON `cs_profiles`.`id` = `a`.`sender`
            {$sRecipientSQL}
            ORDER BY `a`.`id` DESC
            LIMIT 10
        ";
        $aMessages = $GLOBALS['MySQL']->getAll($sSQL);
        asort($aMessages);
        // create list of messages
        $sMessages = '';
        foreach ($aMessages as $i => $aMessage) {
            $sExStyles = $sExJS = '';
            $iDiff = (int)$aMessage['diff'];
            if ($iDiff < 7) { // less than 7 seconds
                $sExStyles = 'style="display:none;"';
                $sExJS = "<script> $('#message_{$aMessage['id']}').fadeIn('slow'); </script>";
            }
            $sWhen = date("H:i:s", $aMessage['when']);
            $sAvatar = $GLOBALS['CProfiles']->getProfileAvatar($aMessage['pid']);
            $sMessages .= '<div class="message" id="message_'.$aMessage['id'].'" '.$sExStyles.'><b><a href="profile.php?id='.$aMessage['pid'].'" target="_blank"><img src="'. $sAvatar .'">' . $aMessage['name'] . ':</a></b> ' . $aMessage['message'] . '<span>(' . $sWhen . ')</span></div>' . $sExJS;
        }
        return $sMessages;
    }
    function getRecentMessage($iPid) {
        if ($iPid) {
            $sSQL = "
                SELECT `a` . * , `cs_profiles`.`name`,  `cs_profiles`.`id` as 'pid' , UNIX_TIMESTAMP( ) - `a`.`when` AS 'diff'
                FROM `cs_messages` AS `a`
                INNER JOIN `cs_profiles` ON `cs_profiles`.`id` = `a`.`sender`
                WHERE `recipient` = '{$iPid}' AND `room` = 0
                ORDER BY `a`.`id` DESC
                LIMIT 1
            ";
            $aMessage = $GLOBALS['MySQL']->getRow($sSQL);
            $iDiff = (int)$aMessage['diff'];
            if ($iDiff < 7) { // less than 7 seconds, = new
                return (int)$aMessage['sender'];
            }
            return;
        }
    }
    function getRandColor() {
        $aColors = array('red', 'blue', 'green', 'orange', 'indigo', 'violet');
        shuffle($aColors);
        return $aColors[0];
    }
    function getRooms($iRoom = 0) {
        $sSQL = "
            SELECT *
            FROM `cs_rooms`
            WHERE 1
        ";
        $aRooms = $GLOBALS['MySQL']->getAll($sSQL);
        $sRooms = '';
        foreach ($aRooms as $i => $aRoom) {
            $sActive = ($iRoom == $aRoom['id']) ? ' active' : '';
            $sColor = $this->getRandColor();
            $sRooms .= '<li><a class="'.$sColor.$sActive.'" href="index.php?room='.$aRoom['id'].'">'.$aRoom['title'].'</a></li>';
        }
        $sMainActive = ($iRoom == 0) ? ' active' : '';
        $sColor = $this->getRandColor();
        return <<<EOF
<div class="roomsHolder">
    <ul class="rooms">
        <li><a class="{$sColor}{$sMainActive}" href="index.php">Main</a></li>
        {$sRooms}
    </ul>
    <div class="shadow"></div>
</div>
<div class="clear"></div>
EOF;
    }
    function getRoomInfo($i) {
        $sSQL = "
            SELECT *
            FROM `cs_rooms`
            WHERE `id` = '{$i}'
        ";
        $aInfos = $GLOBALS['MySQL']->getAll($sSQL);
        return $aInfos[0];
    }
    function addRoom($sTitleParam) {
        $sTitle = $GLOBALS['MySQL']->escape($sTitleParam);
        $iPid = (int)$_SESSION['member_id'];
        if ($iPid && $sTitle) {
            return $GLOBALS['MySQL']->res("INSERT INTO `cs_rooms` SET `title` = '{$sTitle}', `owner` = '{$iPid}', `when` = UNIX_TIMESTAMP()");
        }
    }
    function deleteRoom($sRoomParam) {
        $iRoom = (int)$sRoomParam;
        if ($iRoom) {
            $GLOBALS['MySQL']->res("DELETE FROM `cs_messages` WHERE `room` = '{$iRoom}'");
            return $GLOBALS['MySQL']->res("DELETE FROM `cs_rooms` WHERE `id` = '{$iRoom}' LIMIT 1");
        }
    }
}
$GLOBALS['MainChat'] = new CChat();

Most of the functions (acceptMessage, acceptPrivateMessage, getInputForm, getMessages and getRecentMessages) are working properly with the rooms now. Plus I added several new functions (getRooms, getRoomInfo, addRoom and deleteRoom) to work with rooms. They are not complicated functions.

Step 5. Javascript

And, last one updated file is:

js/chat.js

$(function() {
    getMessages = function() {
        $.getJSON('index.php?action=get_last_messages&room='+iRoom, function(data) {
            if (data.messages) {
                $('.chat_messages').html(data.messages);
            }
            // get recent chat messages in loop
            setTimeout(function() {
               getMessages();
            }, 5000);
        });
    }
    getMessages();
    $('.chat_submit_form').submit(function() {
        $.post('index.php', { message: $('.chat_submit_form input[name=message]').val(), room: $('.chat_submit_form input[name=room]').val() },
            function(data){
                if (data.result == 1) {
                    $('.chat_submit_form .success').fadeIn('slow', function () {
                        $(this).delay(1000).fadeOut('slow');
                    });
                } else if (data.result == 2) {
                    $('.chat_submit_form .protect').fadeIn('slow', function () {
                        $(this).delay(1000).fadeOut('slow');
                    });
                } else {
                    $('.chat_submit_form .error').fadeIn('slow', function () {
                        $(this).delay(1000).fadeOut('slow');
                    });
                }
            }
        );
        return false;
    });
    // Update last navigation time feature
    updateLastNav = function() {
        $.getJSON('index.php?action=update_last_nav', function() {
            // refresh last nav time
            setTimeout(function(){
               updateLastNav();
            }, 180000); // 3 mins
        });
    }
    updateLastNav();
});

I modified this file in order to receive valid messages (of current active room), and to send messages to certain rooms.


Live Demo

Conclusion

I suppose that our chat script is quite ready. If you have any ideas (what will be useful to implement here) – you are always welcome to share your ideas. Don’t hesitate to contact us. Good luck and welcome back!

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99 COMMENTS

    • what is this? can’t people use other email than gmail?
      Ensure compliance with the requested format.
      Format: * @ gmail.com

      • Hi Viktor, this is just a demonstration how we can validate form fields at the client level (in browser). Of course, you always can modify this field.

    • Hi, we should use or flash or html5 in order to create video feature for our project. Possible I will do it in html5 in the future.

    • Hi Saami, it means that you have database query error. It is possible because you forgot to configure the sources to work with your own database in classes/CMySQL.php file, check this configuration.

  1. hello Andrew I am Chinese.
    English is very poor,forgive me
    I would like to ask the system to increase the expressive function

  2. Nice Tutorial, Thanks to give this tutorial for us. In this tutorial, what is the username and password of admin, moderator ?

  3. Your site is one of the best site i have ever visited!!!
    In this tutorial, what is the username and password of admin, moderator ?

  4. Hi, I’ve a question.. It’s possible to use the facebook connect? And.. Do you have a tutorial?
    Thank you so much!

    • Hello Frank,
      Yes, sure, everything is possible, but you have to develop it with own hands, right now I haven’t wrote such tutorial (as facebook connect) yet. I might write it.

    • Hi Jonas,
      ‘About’ is usual text field. You can add it (to fill) to your join form, or – to profile edit form. Everywhere you like.

  5. I’m really interested in this project and might want to use it on a heavy load server. Think about 300 to 500 members online at the same time. We currently have a userbase of about 750.000 members (as you can see on our website). However, if I understand this correctly, the script uses long-polling for the messages. It would therefor never ever be able able to carry that many members at the same time. Would it be possible to expend this script with a socket server class so it could actually use the php (or java if needed) web socket for the messages?

    • Hello Bjorn,
      Why do you think that this script can’t handle with a lot of online members? It uses ajax to work with server. But if you like to use sockets – it is possible too, but you should understand, that the load in any case will be present on the server

  6. hello in the download zip file theres a part in the class for mysql connection

    $res = mysql_query($query, $this->vLink);
    if (!$res)
    $this->error(‘Database query error’, false, $query);
    return $res;

    what is the “vLINK’ for in this case, becos the code returns an error

  7. hello,

    I am French so sorry for my English.
    I have a question concerning your private messages:
    when I start a private discussion, the popup window does not open directly to the other person, she is forced to click on the icon to see the private chat.
    Is it possible to bring up the chat window automatically when a private conversation begins or a message that someone wants a private chat?

    Thank you for your answer.

    • Hello Xavatar,
      Don’t worry, your english it understandable enough :-)
      well, once you send PM to someone else – it will popup on his side too (automatically). Just wait a bit (~5-10 seconds)

  8. Hi

    Thanks for sharing the PHP chat application. is there any option to connect only with specific members(like connect only with friends) .

    Thanks
    Mohan N

    • Hi Mohan,
      Yes, sure, but before – you have to ‘friends’ system here. You should be able to determinate, if a member is your friend or not.

      • Hi. I’d like to add the chat system in joomla 2.5 ,is that possible ? could u Explain it briefly plz?

      • Hello Sadath, Are you asking me about permission to use our chat as a component (addon) for joomla? Or you are asking me how to implement it there?

    • Hello Junaid,
      It can be done through direct database changes.
      Everything is done through ‘roles’ system. There are three (default) roles in this system: admins (role number 5), moderators (4) and ordinary users (1)
      Depending on your Role – you can perform different actions.

  9. Hi admin,

    Very nice series of tutorials, I want to discuss one things that is it possible to have a php application which may record all the desktop applications, or which may interact with desktop application, I know that php is a server side application so interaction with desktop apps is very difficult or we can say its impossible but recently I saw an example, some php applications provides outlook calandar sync, which is also a desktop application, how this is possible ?

    • Hello Rohit,
      Yes, it is possible for desktop applications to interact with web, it can be done as access by a port (for instance – http port 8080), or any other ports you like to use.

  10. Hello
    excuse me for my english I’m from Bulgari have a question
    Can I apply this system in my website and modify it. just made ??super
    thanku .

  11. hi
    Can you say me about the mechanism of omegle chatroom?how it automatically connects with the online user after you log in?
    sorry for bad english

    thanks
    zanak

  12. Heey i reallu love your tutorial but i have a question when someone sent you a private message you don’t get a message or popup telling you that you have a message how do i create that function?

    • Hello Kevin,
      The system automatically (every single minute) initializes all new chat sessions (see ‘initiateNewChatsPeriodically’ function)

  13. Hey I really like your chat system tutorial I learn a lot. But why is the chat system so slow when I pm to other user for test purposes. Are there anyway you can show us how to make the chat responds becoming quicker?

    • Hi Sam, Yes, you can ‘speedup’ it, in this case you have to set a smaller timeout value to evoke initiateNewChatsPeriodically

  14. Hey,

    Your tutorials are very useful. I have learned a lot new from them.

    I have problem with the chat system.

    If I try to submit a message(chat) it doesn’t do it. But when I click “add room” or log out and log in or change chat room and go back it submits what I send = chat/page doesn’t update while you are on it.

    I tried it on two accounts online same time. I had to do things I said above to see other account/mine messages.

    I would appreciate if you could help me.

  15. hi…its a nice tutorial…then its possible to make private chat..and also audio video chat???please add that feature..

    • Hi Gopi, the private chat is already implemented in this script. As for audio/video – it can be added afterward

  16. It is really great but when we want to do private chat it should open the private chat box automatically which is currently not doing. Are you working on this ?

    • Hi waqar, when you need to open a private chat, you have to click on an icon of a member with whom you want to talk to.

  17. awesome tuts buddy, really you’re fantastic, if possible try open Id authentication for fb, gmail then it’ll become awesome..
    anyway really nice coding standards….

  18. Mmm..hai admin I Have the other problem in my code. i want to get the personal camera? How I can fix it? Can you help me? Thanks before… I hope your tutorial send to my email…

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