Script Chat Sederhana Dengan PHP - Script Chat Sederhana Dengan PHP sederhana ini, ini hanya metode sederhana menggunakan cache session login, silahkan kembangkan dengan script login logout atau dengan design yang anda sukai. Buatlah 1 file bernama cahce.html dan biarkan kosong..tidak usah diisi, lanjut dengan file berikutnya dibawah ini.File index.php
<?php
session_start();
function createForm(){
?>
<form action=”<?php echo $_SERVER['PHP_SELF']; ?>” method=”post”>
<table align=”center”>
<tr><td colspan=”2″>Masukan nama Anda!</td></tr>
<tr><td>Nama Anda: </td>
<td><input type=”text” name=”name” /></td></tr>
<tr><td colspan=”2″ align=”center”>
<input type=”submit” name=”submitBtn” value=”Login” />
</td></tr>
</table>
</form>
<?php
}
if (isset($_GET['u'])){
unset($_SESSION['nickname']);
}
if (isset($_POST['submitBtn'])){
$name = isset($_POST['name']) ? $_POST['name'] : “Unnamed”;
$_SESSION['nickname'] = $name;
}
$nickname = isset($_SESSION['nickname']) ? $_SESSION['nickname'] : “Hidden”;
?>
<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “DTD/xhtml1-transitional.dtd”>
<html>
<head>
<title>ScH-Share™ Chat</title>
<link href=”style/style.css” rel=”stylesheet” type=”text/css” />
<script language=”javascript” type=”text/javascript”>
var httpObject = null;
var link = “”;
var timerID = 0;
var nickName = “<?php echo $nickname; ?>”;
function getHTTPObject(){
if (window.ActiveXObject) return new ActiveXObject(“Microsoft.XMLHTTP”);
else if (window.XMLHttpRequest) return new XMLHttpRequest();
else {
alert(“Browser anda tidak support AJAX.”);
return null;
}
}
function setOutput(){
if(httpObject.readyState == 4){
var response = httpObject.responseText;
var objDiv = document.getElementById(“result”);
objDiv.innerHTML += response;
objDiv.scrollTop = objDiv.scrollHeight;
var inpObj = document.getElementById(“msg”);
inpObj.value = “”;
inpObj.focus();
}
}
function setAll(){
if(httpObject.readyState == 4){
var response = httpObject.responseText;
var objDiv = document.getElementById(“result”);
objDiv.innerHTML = response;
objDiv.scrollTop = objDiv.scrollHeight;
}
}
function doWork(){
httpObject = getHTTPObject();
if (httpObject != null) {
link = “message.php?nick=”+nickName+”&msg=”+document.getElementById(‘msg’).value;
httpObject.open(“GET”, link , true);
httpObject.onreadystatechange = setOutput;
httpObject.send(null);
}
}
function doReload(){
httpObject = getHTTPObject();
var randomnumber=Math.floor(Math.random()*10000);
if (httpObject != null) {
link = “message.php?all=1&rnd=”+randomnumber;
httpObject.open(“GET”, link , true);
httpObject.onreadystatechange = setAll;
httpObject.send(null);
}
}
function UpdateTimer() {
doReload();
timerID = setTimeout(“UpdateTimer()”, 5000);
}
function keypressed(e){
if(e.keyCode==’13′){
doWork();
}
}
</script>
</head>
<body onload=”UpdateTimer();”>
<div id=”main”>
<div id=”caption”>ScH-Share™ Chat</div>
<?php
if (!isset($_SESSION['nickname']) ){
createForm();
} else {
$name = isset($_POST['name']) ? $_POST['name'] : “Unnamed”;
$_SESSION['nickname'] = $name;
?>
<div id=”result”>
<?php
$data = file(“cache.html”);
foreach ($data as $line) {
echo $line;
}
?>
</div>
<div id=”sender” onkeyup=”keypressed(event);”>
Pesan anda: <br/><input type=”text” name=”msg” size=”20″ id=”msg” /><br/>
<button onclick=”doWork();”>Kirim</button>
</div>
<?php
}
?>
</div>
</body>
File messege.php
<?php
if (isset($_GET['msg'])){
if (file_exists(‘cache.html’)) {
$f = fopen(‘cache.html’,”a+”);
} else {
$f = fopen(‘cache.html’,”w+”);
}
$nick = isset($_GET['nick']) ? $_GET['nick'] : “Hidden”;
$msg = isset($_GET['msg']) ? htmlspecialchars($_GET['msg']) : “.”;
$line = “<p><span class=\”name\”>$nick: </span><span class=\”txt\”>$msg</span></p>”;
fwrite($f,$line.”\r\n”);
fclose($f);
echo $line;
} else if (isset($_GET['all'])) {
$flag = file(‘cache.html’);
$content = “”;
foreach ($flag as $value) {
$content .= $value;
}
echo $content;
}
?>
File style.css
#main {
margin: auto;
border: 1px solid #000;
width: 250px;
min-height:150px;
background: #1A71BA;
font-family: Arial, Helvetica, sans-serif;
font-weight:bold;
font-size : 12px;
border-collapse:collapse;
}
#sender {
clear:both;
border: 1px solid #000;
width: 156px;
background: #1A71BA;
font-family: Arial, Helvetica, sans-serif;
font-weight:bold;
font-size : 12px;
padding:2px;
margin-bottom:10px;
margin-top:10px;
margin-left: 40px;
}
td {
padding:5px;
}
#result {
margin-top:20px;
margin-left:40px;
border: 1px solid #000;
width: 156px;
background: #FFF;
text-align:left;
font-family: Arial, Helvetica, sans-serif;
font-weight:bold;
font-size : 12px;
padding:2px;
height:200px;
overflow:auto;
}
.error {
font-family: Arial, Helvetica, sans-serif;
font-weight:normal;
font-size : 10px;
color:#dd1111;
padding:5px;
}
.text {
border: 1px solid #cccccc;
}
input {
border: 0px solid #000;
background: #FFF;
}
#caption{
font-family: Arial, Helvetica, sans-serif;
font-weight:bold;
margin:10px;
font-size : 14px;
text-align: center;
color:#FFF;
}
p{
margin:0px;
padding:0px;
}
.name{
font-weight:bold;
font-style: italic;
color:#D70404;
}
.txt {
font-family: Arial, Helvetica, sans-serif;
font-weight:normal;
font-size:12px;
color:#333;
}
#ScH-Share™chat{
border:0px;
width:100%;
}
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