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sql_chat_example.php
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sql_chat_example.php
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<html>
<?php
$pagename="sql_chat_example.php";
$pdo = new PDO('mysql:host=localhost;dbname=chat', 'admin1', 'admin_password');
//CREATE DATABASE chat;
//USE chat;
//CREATE USER 'admin1'@'localhost' IDENTIFIED BY 'admin_password';
//GRANT ALL PRIVILEGES ON chat.* TO 'admin1'@'localhost' WITH GRANT OPTION;
//FLUSH PRIVILEGES;
//CREATE TABLE `history` (
// `id` INT NOT NULL AUTO_INCREMENT ,
// `username` VARCHAR(255) NOT NULL ,
// `message` VARCHAR(255) NOT NULL ,
// `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ,
// `updated_at` TIMESTAMP on update CURRENT_TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ,
// PRIMARY KEY (`id`)
//) ENGINE = InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
if (isset($_POST['submit'])){
$statement = $pdo->prepare("INSERT INTO history (username, message) VALUES (:username,:message);");
$query = $statement->execute(array('username' => $_REQUEST['username'], 'message' => $_REQUEST['message']));
}
?>
<head>
<style>
*{
box-sizing:border-box;
}
body{
background-color:#67a2be;
font-family:Calibri;
}
#container{
width:400px;
height:600px;
background:white;
margin:0 auto;
font-size:0;
border-radius:5px;
overflow:hidden;
}
main{
display:inline-block;
font-size:15px;
vertical-align:top;
}
main header{
height:30px;
padding:10px 10px 40px 10px;
background-color:#005578;
}
main header h1{
font-size:30px;
margin-top:5px;
color:black;
}
main header h2{
font-size:20px;
margin-top:5px;
text-align:center;
color:white;
}
main .inner_div{
padding-left:0;
margin:0;
list-style-type:none;
position:relative;
overflow:auto;
height:80%;
background-position:center;
background-repeat:no-repeat;
background-size:cover;
position: relative;
border-top:2px solid #fff;
border-bottom:2px solid #fff;
}
main .triangleL{
width: 0;
height: 0;
border-style: solid;
border-width: 0 8px 8px 8px;
border-color: transparent transparent #005578 transparent;
margin-left:20px;
clear:both;
}
main .messageL{
padding:10px;
color:#000;
margin-left:15px;
background-color:#005578;
line-height:20px;
max-width:90%;
display:inline-block;
text-align:left;
border-radius:5px;
clear:both;
}
main .triangleR{
width: 0;
height: 0;
border-style: solid;
border-width: 0 8px 8px 8px;
border-color: transparent transparent #67a2be transparent;
margin-right:20px;
float:right;
clear:both;
}
main .messageR{
padding:10px;
color:#000;
margin-right:15px;
background-color:#67a2be;
line-height:20px;
max-width:90%;
display:inline-block;
text-align:left;
border-radius:5px;
float:right;
clear:both;
}
main footer{
background-color:#005578;
height:100%;
}
main footer .user{
resize:none;
border:100%;
display:block;
width:120%;
height:60px;
border-radius:3px;
padding:20px;
font-size:11px;
margin-bottom:13px;
}
main footer .message{
resize:none;
border:100%;
display:block;
width:140%;
height:60px;
border-radius:3px;
padding:20px;
font-size:11px;
margin-bottom:13px;
margin-left:20px;
}
main footer .submit{
resize:none;
border:100%;
display:block;
width:40%;
height:60px;
border-radius:3px;
padding:20px;
font-size:13px;
margin-bottom:13px;
margin-left:100px;
color:white;
text-align:center;
background-color:black;
border: 2px solid white;
}
}
main footer textarea::placeholder{
color:#ddd;
}
</style>
<script>
function scroll(){
var element = document.getElementById("history");
element.scrollTop = element.scrollHeight;
}
</script>
<body onload="scroll()">
<h1>Test</h1>
<div id="container">
<main>
<header><div><h2>Chat Demo</h2></div></header>
<form action=<?php echo $pagename; ?> method="POST" >
<div class="inner_div" id="history">
<?php
$i=0;
$hist=$pdo->query("SELECT * FROM history");
foreach ($pdo->query("SELECT * FROM history") as $row){
if($i==0){
$i=5;
$first=$row;
?>
<div class="triangleL"></div>
<div class="messageL">
<span style="color:white;float:right;">
<?php echo $row['message']; ?></span> <br/>
<div>
<span style="color:black;float:left;font-size:10px;clear:both;">
<?php echo $row['username']; ?>,
<?php echo $row['created_at']; ?>
</span>
</div>
</div>
<br/><br/>
<?php
} else{
if($row['username']==$first['username']){
?>
<div class="triangleL"></div>
<div class="messageL">
<span style="color:white;float:left;">
<?php echo $row['message']; ?>
</span> <br/>
<div>
<span style="color:black;float:right;font-size:10px;clear:both;">
<?php echo $row['username']; ?>,
<?php echo $row['created_at']; ?>
</span>
</div>
</div>
<br/><br/>
<?php
} else {
?>
<div class="triangleR"></div>
<div class="messageR">
<span style="color:white;float:right;">
<?php echo $row['message']; ?>
</span> <br/>
<div>
<span style="color:black;float:left;font-size:10px;clear:both;">
<?php echo $row['username']; ?>,
<?php echo $row['created_at']; ?>
</span>
</div>
</div>
<br/><br/>
<?php
}}
}
?>
</div>
<footer>
<table>
<tr>
<th><input class="user" type="text" name="username" placeholder="From?"></th>
<th><textarea class="message" name="message" rows='3' cols='50' placeholder="Type your message..."></textarea></th>
<th><input class="submit" type="submit" name="submit" value="send"></th>
</tr>
</table>
</footer>
</form>
</main>
</div>
</body>
</html>