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pfieffer/user_dashboard.php

Created November 4, 2018 14:10
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user_dashboard.php
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css" href="css/bootstrap.css">
<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="css/bootstap-theme.css">
<link rel="stylesheet" type="text/css" href="css/bootstrap-theme.min.css">
</head>
<body>
<?php
//For connecting the database
$link = mysqli_connect("localhost","root","", "practise");
if (!$link) {
echo "Error: Unable to connect to MySQL." . PHP_EOL;
echo "Debugging errno: " . mysqli_connect_errno() . PHP_EOL;
echo "Debugging error: " . mysqli_connect_error() . PHP_EOL;
exit;
}
session_start();
$login_status;
if (!isset($_SESSION['username']) || ($_SESSION['username'] == '')) {
//session not set so user is not logged in
$login_status = "Could not log in";
} else{
//session set so user is logged in
$username=$_SESSION["username"];//session username of the current user
$query= mysqli_query($link, "SELECT fname FROM users WHERE username = '$username' ") or die(mysql_error()); //sql to extract name of the user associated with the current session username
// to display the row of the database as string not as resource id, we must use functions such as mysql_fetch_assoc() or mysql_fetch_row(). They have return type of array
$row = mysqli_fetch_row($query);
$fname=$row[0]; // echo $row[0] displays fname.
mysqli_close($link);
$login_status = "Logged in succesfully";
}
?>
<script type="text/javascript">alert('<?php echo"$login_status";?>')</script>
<div class="container">
<div class="row">
<div class="col-sm-12">
<div class="jumbotron">
<?php if ($login_status == "Could not log in"):?>
<h1> Unauthorized </h1>
<h2> You are not logged in </h2>
<!--Button pseudoclass according to bootstrap-->
<a href="index.php" class="btn btn-default" role="button">Log in</a>
<?php else: ?>
<h1>Hello, <?php echo "$fname";?>!</h1>
<!--Button pseudoclass according to bootstrap-->
<a href="logout.php" class="btn btn-default" role="button">Log out</a>
<h2 style="letter-spacing: 4px;">This is letters spaced at 4px</h2>
<?php endif; ?>
</div>
</div>
</div>
</div>
</body>
</html>
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