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eval_reg.php
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eval_reg.php
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<?php
// Include config file
require_once "config.php";
$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"]))) {
$username_err = "Please enter a username.";
} elseif (!preg_match('/^[a-zA-Z0-9_]+$/', trim($_POST["username"]))) {
$username_err = "Username can only contain letters, numbers, and underscores.";
} else {
// Prepare a select statement
$sql = "SELECT id FROM admin_users WHERE username = ?";
if ($stmt = mysqli_prepare($link, $sql)) {
// Bind variables to the prepared statement as parameters
mysqli_stmt_bind_param($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 (empty($password_err) && ($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
$sql = "INSERT INTO eval_users (username, password) VALUES (?, ?)";
if ($stmt = mysqli_prepare($link, $sql)) {
// Bind variables to the prepared statement as parameters
mysqli_stmt_bind_param($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($stmt)) {
// Redirect to login page
header("location: eval_reg.php");
} else {
echo "Oops! Something went wrong. Please try again later.";
}
// Close statement
mysqli_stmt_close($stmt);
}
}
// Close connection
mysqli_close($link);
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>BIT'S HACK'22 | EVALUATE REG</title>
<link rel="stylesheet" href="./css/style-login.css">
<style>
body {
background-color: #f2f4fe;
max-height: 100vh;
}
</style>
</head>
<body>
<center>
<section class="signup_forms">
<div class="wrapper_signup">
<b>
<h3>Set up your account</h3>
</b>
<p>Join us and start your journey with us.</p>
<div class="investor">
<form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
<div class="form-group_signup">
<input type="text" name="username" placeholder="Enter your username" class="form-control <?php echo (!empty($username_err)) ? 'is-invalid' : ''; ?>" value="<?php echo $username; ?>">
<span class="invalid-feedback"><?php echo $username_err; ?></span>
</div>
<div class="form-group_signup">
<input type="password" name="password" placeholder="Enter your password" class="form-control <?php echo (!empty($password_err)) ? 'is-invalid' : ''; ?>" value="<?php echo $password; ?>">
<span class="invalid-feedback"><?php echo $password_err; ?></span>
</div>
<div class="form-group_signup">
<input type="password" name="confirm_password" placeholder="Re-enter your password" class="form-control <?php echo (!empty($confirm_password_err)) ? 'is-invalid' : ''; ?>" value="<?php echo $confirm_password; ?>">
<span class="invalid-feedback"><?php echo $confirm_password_err; ?></span>
</div>
<div class="form-group_signup">
<input type="submit" class="login_btn" value="Submit">
</div>
</form>
</div>
</div>
</section>
<p class="link">Already have an account? <a href="admin_login.php">Login here</a></p>
</center>
</body>
</html>
<?php
?>