మీ సొంత చాట్ క్లయింట్ కావాలానుకుంటున్నారా

పి.హెచ్.పి ఉపయోగించి ఎలా చేయాలో నేర్చుకుందాం


1)index.html

<frameset rows="65%,35%" framespacing="1" frameborder="yes" border="1" bordercolor="#FF0000">
<frame src="messages.php" name="main_frame">
<frame src="main.php" name="login_frame" scrolling="no" noresize target="middle">
</frameset>

2)login_form.html

<link type="text/css" rel="stylesheet" href="styles.css" /> <!--It may or may not be needed-->
<form class="login_form" method="post" action="main.php">
<div>
Username: <input type="text" name="username" /></div>
<div>
Password: <input type="password" name="password" /></div>
<div>
<input type="submit" value="Login" name="Login" /></div>
</form>

3)chat_begin.html

<link type="text/css" rel="stylesheet" href="styles.css" />

<div class="chat_main">
<h3>
Chat</h3>

4)chat_end.html

</div>

5)chat_input.html

<link type="text/css" rel="stylesheet" href="styles.css" />

<form class="submit_form" method="post" action="main.php">
<div>
<input type="text" name="s_message" /><input type="submit" value="Say" name="s_say" /></div>
</form>
<div>
You can type anything in chat</div>

6)===================CsS==========================

.login_form {
border: 1px solid #AAA;
padding:10px;
}

h3 {margin-top:3px;}

.chat_main {
border:1px solid #AAA;
-moz-box-shadow:0 0 10px #ccc;
-webkit-box-shadow: 0 0 10px #ccc;
width:350px;
padding:10px;
background:#f3f3f3;
}

.message {
border:1px solid #AAA;
margin:4px;
padding:5px;
-moz-border-radius:7px;
-webkit-border-radius:7px;
background:#ffffff;
}

.textf {
-moz-box-shadow:0 0 10px #CCCCCC;
-webkit-box-shadow:0 0 10px #CCCCCC;
border:1px solid #CCCCCC;
height:40px;
}

.submit {
-moz-border-radius:7px;
-webkit-border-radius:7px;
background:#F3F3F3;
border:1px solid #CCCCCC;
font-size:16px;
font-weight:bold;
height:35px;
margin-left:10px;
padding:5px;
}
.message span {
font-size:10px;
color:#888;
margin-left:10px;
}

.submit_form {
margin:10px 0px;
}
</div>
7)SQL DB
CREATE TABLE `s_chat_messages` (
`id` INT(11) NOT NULL AUTO_INCREMENT ,
`user` VARCHAR(255) NOT NULL ,
`message` VARCHAR(255) NOT NULL ,
`when` INT(11) NOT NULL ,
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
</div>
8)main.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('inc/login.inc.php');
require_once('inc/chat.inc.php');

// initialization of login system and generation code
$oSimpleLoginSystem = new SimpleLoginSystem();

$oSimpleChat = new SimpleChat();

// draw login box
echo $oSimpleLoginSystem->getLoginBox();

// draw chat application
$sChatResult = 'Need login before using';
if ($_COOKIE['member_name'] && $_COOKIE['member_pass']) {
if ($oSimpleLoginSystem->check_login($_COOKIE['member_name'], $_COOKIE['member_pass'])) {
$sChatResult = $oSimpleChat->acceptMessages();
}
}
echo $sChatResult;

?>
9)messeges.php 
<meta http-equiv="refresh" content="5">
<?php

require_once('inc/chat.inc.php');
$oSimpleChat = new SimpleChat();
echo $oSimpleChat->getMessages();

?>
</div>
10)chat.inc.php 
<?php

// simple chat class
class SimpleChat {

// DB variables
var $sDbName;
var $sDbUser;
var $sDbPass;

// constructor
function SimpleChat() {
//mysql_connect("localhost","username","password");
$this->sDbName = 'database_name';
$this->sDbUser = 'username';
$this->sDbPass = 'password';
}

// adding to DB table posted message
function acceptMessages() {
if ($_COOKIE['member_name']) {
if(isset($_POST['s_say']) && $_POST['s_message']) {
$sUsername = $_COOKIE['member_name'];

//the host, name, and password for your mysql
$vLink = mysql_connect("localhost", $this->sDbUser, $this->sDbPass);

//select the database
mysql_select_db($this->sDbName);

$sMessage = mysql_real_escape_string($_POST['s_message']);
if ($sMessage != '') {
mysql_query("INSERT INTO `s_chat_messages` SET `user`='{$sUsername}', `message`='{$sMessage}', `when`=UNIX_TIMESTAMP()");
}

mysql_close($vLink);
}
}

ob_start();
require_once('chat_input.html');
$sShoutboxForm = ob_get_clean();

return $sShoutboxForm;
}

function getMessages() {
$vLink = mysql_connect("localhost", $this->sDbUser, $this->sDbPass);

//select the database
mysql_select_db($this->sDbName);

//returning the last 15 messages
$vRes = mysql_query("SELECT * FROM `s_chat_messages` ORDER BY `id` ASC LIMIT 15");

$sMessages = '';

// collecting list of messages
if ($vRes) {
while($aMessages = mysql_fetch_array($vRes)) {
$sWhen = date("H:i:s", $aMessages['when']);
$sMessages .= '<div class="message">
' . $aMessages['user'] . ': ' . $aMessages['message'] . '<span>(' . $sWhen . ')</span></div>
';
}
} else {
$sMessages = 'DB error, create SQL table before';
}

mysql_close($vLink);

ob_start();
require_once('chat_begin.html');
echo $sMessages;
require_once('chat_end.html');
return ob_get_clean();
}
}

?>
11)login.inc.php 
<?

// class SimpleLoginSystem
class SimpleLoginSystem {

// variables
var $aExistedMembers; // Existed members array

// constructor
function SimpleLoginSystem() {
$this->aExistedMembers = array(
'User1' => 'd8578edf8458ce06fbc5bb76a58c5ca4',
'User2' => 'd8578edf8458ce06fbc5bb76a58c5ca4',
'User3' => 'd8578edf8458ce06fbc5bb76a58c5ca4'
);
}

function getLoginBox() {
ob_start();
require_once('login_form.html');
$sLoginForm = ob_get_clean();

$sLogoutForm = '<a href="'.$_SERVER['PHP_SELF'].'?logout=1">logout</a>';

if ((int)$_REQUEST['logout'] == 1) {
if (isset($_COOKIE['member_name']) && isset($_COOKIE['member_pass']))
$this->simple_logout();
}

if ($_REQUEST['username'] && $_REQUEST['password']) {
if ($this->check_login($_REQUEST['username'], MD5($_REQUEST['password']))) {
$this->simple_login($_REQUEST['username'], $_REQUEST['password']);
return 'Hello ' . $_REQUEST['username'] . '! ' . $sLogoutForm;
} else {
return 'Username or Password is incorrect' . $sLoginForm;
}
} else {
if ($_COOKIE['member_name'] && $_COOKIE['member_pass']) {
if ($this->check_login($_COOKIE['member_name'], $_COOKIE['member_pass'])) {
return 'Hello ' . $_COOKIE['member_name'] . '! ' . $sLogoutForm;
}
}
return $sLoginForm;
}
}

function simple_login($sName, $sPass) {
$this->simple_logout();

$sMd5Password = MD5($sPass);

$iCookieTime = time() + 24*60*60*30;
setcookie("member_name", $sName, $iCookieTime, '/');
$_COOKIE['member_name'] = $sName;
setcookie("member_pass", $sMd5Password, $iCookieTime, '/');
$_COOKIE['member_pass'] = $sMd5Password;
}

function simple_logout() {
setcookie('member_name', '', time() - 96 * 3600, '/');
setcookie('member_pass', '', time() - 96 * 3600, '/');

unset($_COOKIE['member_name']);
unset($_COOKIE['member_pass']);
}

function check_login($sName, $sPass) {
return ($this->aExistedMembers[$sName] == $sPass);
}
}

?>
సూచన: ఐఎన్సి పెట్ట లో చివరి రెండు పత్రాలు ఉండాలి