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index.php
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<?php
$colors = array('#007AFF','#FF7000','#FF7000','#15E25F','#CFC700','#CFC700','#CF1100','#CF00BE','#F00');
$color_pick = array_rand($colors);
?>
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style type="text/css">
.chat-wrapper {
font: bold 11px/normal 'lucida grande', tahoma, verdana, arial, sans-serif;
background: #00a6bb;
padding: 20px;
margin: 20px auto;
box-shadow: 2px 2px 2px 0px #00000017;
max-width:100%;
min-width:100%;
}
#message-box {
width: 97%;
display: inline-block;
height: 300px;
background: #fff;
box-shadow: inset 0px 0px 2px #00000017;
overflow: auto;
padding: 10px;
}
.user-panel{
margin-top: 10px;
}
input[type=text]{
border: none;
padding: 5px 5px;
box-shadow: 2px 2px 2px #0000001c;
}
input[type=text]#name{
width:100%;
margin-bottom: 10px;
}
input[type=text]#message{
width:100%;
margin-bottom: 10px;
}
button#send-message {
border: none;
padding: 5px 15px;
background: #11e0fb;
box-shadow: 2px 2px 2px #0000001c;
}
</style>
</head>
<body class="container">
<div class="chat-wrapper">
<div id="message-box"></div>
<div class="user-panel">
<input type="text" name="name" id="name" placeholder="Your Name" maxlength="15" />
<br>
<input type="text" name="message" id="message" placeholder="Type your message here..." maxlength="100" />
<br>
<button id="send-message">Send</button>
</div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script language="javascript" type="text/javascript">
//create a new WebSocket object.
var host = "192.168.1.172";
var msgBox = $('#message-box');
var wsUri = "ws://"+host+":9000/PHPWebSocketChat/server.php";
websocket = new WebSocket(wsUri);
websocket.onopen = function(ev) { // connection is open
msgBox.append('<div class="system_msg" style="color:#bbbbbb">Welcome to my "Demo WebSocket Chat box"!</div>'); //notify user
}
// Message received from server
websocket.onmessage = function(ev) {
var response = JSON.parse(ev.data); //PHP sends Json data
var res_type = response.type; //message type
var user_message = response.message; //message text
var user_name = response.name; //user name
var user_color = response.color; //color
switch(res_type){
case 'usermsg':
msgBox.append('<div><span class="user_name" style="color:' + user_color + '">' + user_name + '</span> : <span class="user_message">' + user_message + '</span></div>');
break;
case 'system':
msgBox.append('<div style="color:#bbbbbb">' + user_message + '</div>');
break;
}
msgBox[0].scrollTop = msgBox[0].scrollHeight; //scroll message
};
websocket.onerror = function(ev){ msgBox.append('<div class="system_error">Error Occurred - ' + ev.data + '</div>'); };
websocket.onclose = function(ev){ msgBox.append('<div class="system_msg">Connection Closed</div>'); };
//Message send button
$('#send-message').click(function(){
send_message();
});
//User hits enter key
$( "#message" ).on( "keydown", function( event ) {
if(event.which==13){
send_message();
}
});
//Send message
function send_message(){
var message_input = $('#message'); //user message text
var name_input = $('#name'); //user name
if(message_input.val() == ""){ //empty name?
alert("Enter your Name please!");
return;
}
if(message_input.val() == ""){ //emtpy message?
alert("Enter Some message Please!");
return;
}
//prepare json data
var msg = {
message: message_input.val(),
name: name_input.val(),
color : '<?php echo $colors[$color_pick]; ?>'
};
//convert and send data to server
websocket.send(JSON.stringify(msg));
message_input.val(''); //reset message input
name_input.remove();
}
</script>
</body>
</html>