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register.php
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register.php
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<?php
// Include config file
require('config/db.php');
// Define variables and initialize with empty values
$username = $password = $confirm_password = "";
$username_err = $password_err = $confirm_password_err = "";
// Processing form data when form is submitted
if($_SERVER["REQUEST_METHOD"] == "POST"){
// Validate username
if(empty(trim($_POST["username"]))){
$username_err = "Please enter a username.";
} else{
// Prepare a select statement
$sql = "SELECT user_id FROM users WHERE username = ?";
if($stmt = mysqli_prepare($db, $sql)){
// Bind variables to the prepared statement as parameters
mysqli_stmt_bind_param($stmt, "s", $param_username);
// Set parameters
$param_username = trim($_POST["username"]);
// Attempt to execute the prepared statement
if(mysqli_stmt_execute($stmt)){
/* store result */
mysqli_stmt_store_result($stmt);
if(mysqli_stmt_num_rows($stmt) == 1){
$username_err = "This username is already taken.";
} else{
$username = trim($_POST["username"]);
}
}
else{
echo "Oops! Something went wrong. Please try again later.";
}
}
// Close statement
mysqli_stmt_close($stmt);
}
// Validate password
if(empty(trim($_POST['password']))){
$password_err = "Please enter a password.";
} elseif(strlen(trim($_POST['password'])) < 6){
$password_err = "Password must have atleast 6 characters.";
} else{
$password = trim($_POST['password']);
}
// Validate confirm password
if(empty(trim($_POST["confirm_password"]))){
$confirm_password_err = 'Please confirm password.';
} else{
$confirm_password = trim($_POST['confirm_password']);
if($password != $confirm_password){
$confirm_password_err = 'Password did not match.';
}
}
// Check input errors before inserting in database
if(empty($username_err) && empty($password_err) && empty($confirm_password_err)){
// Prepare an insert statement
$sql = "INSERT INTO users (username, password) VALUES (?, ?)";
if($stmt = mysqli_prepare($db, $sql)){
// Bind variables to the prepared statement as parameters
mysqli_stmt_bind_param($stmt, "ss", $param_username, $param_password);
// Set parameters
$param_username = $username;
$param_password = password_hash($password, PASSWORD_DEFAULT); // Creates a password hash
// Attempt to execute the prepared statement
if(mysqli_stmt_execute($stmt)){
// Redirect to login page
echo "<script>
alert('You have successfully created an account.');
window.location.href='http://localhost/kirablogspot/';
</script>";
} else{
echo "Something went wrong. Please try again later.";
}
}
// Close statement
mysqli_stmt_close($stmt);
}
// Close connection
mysqli_close($db);
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Kira Blog Spot</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="css/style.css">
<link href="css/fontawesome-all.css" rel="stylesheet">
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-dark bg-primary">
<div class="container">
<i class="fab fa-drupal"></i><a class="navbar-brand" href="index.php">Kira Blog Spot</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarColor01" aria-controls="navbarColor01" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarColor01">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="<?php echo ROOT_URL; ?>">Home <span class="sr-only">(current)</span></a>
</li>
</ul>
</div>
</div>
</nav>
<form method="POST" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>">
<div class="imgcontainer">
<i class="fa fa-user fx-10"></i>
</div>
<div class="container">
<h1 class="logincss">Please Fill-out the sign-up form</h1>
<div class="form-group">
<label for="username"><b>Username</b></label>
<input type="text" placeholder="Enter Username" name="username" value="<?php echo $username; ?>" required>
<span class="help-block"><?php echo $username_err; ?></span>
</div>
<div class="form-group">
<label for="password"><b>Password</b></label>
<input type="password" placeholder="Enter Password" name="password" value="<?php echo $password; ?>" required>
<span><?php echo $password_err; ?></span>
</div>
<div class="form-group">
<label for="confirm_password"><b>Confirm Password</b></label>
<input type="password" placeholder="Enter Password" name="confirm_password" value="<?php echo $confirm_password; ?>" required>
<span><?php echo $confirm_password_err; ?></span>
</div>
<button type="submit" class="btn btn-success loginbtn">Register</button>
</div>
<div class="container">
<a href="index.php" class="btn btn-danger cancelbtnreg">Cancel</a>
<span class="psw2">Already have an account? <a href="login.php">Login here.</a></span>
</div>
</form>
</div>
<?php include('inc/footer.php'); ?>