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<?php include_once 'header.php';?>
<section>
<h2>Register an account</h2>
<form action="register.php" method="post">
<label for="user_name">Username: </label><br>
<input type="text" name="user_name"><br>
<label for="user_pass">Password: </label><br>
<input type="password" name="user_pass"><br>
<label for="user_pass_check">Re-enter password: </label><br>
<input type="password" name="user_pass_check"><br>
<input type="submit" name="submit">
</form>
<?php
include_once 'includes/db_inc.php';
function validate($data) {
$data = trim($data);
$data = stripslashes($data);
$data = htmlspecialchars($data);
return $data;
}
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$errors = array();
$user_name = "";
$user_pass = "";
if (empty($_POST['user_name'])) {
$errors[] = "You must provide a username.";
} else {
$user_name = validate($_POST['user_name']);
if (strlen($user_name) > 30) {
$errors[] = "Your username must be 30 characters or less.";
}
}
if (empty($_POST['user_pass'])) {
$errors[] = "You must provide a password.";
} else {
$user_pass = validate($_POST['user_pass']);
$pass_check = validate($_POST['user_pass_check']);
if ($user_pass !== $pass_check) {
$errors[] = "The two passwords do not match.";
}
}
if (!empty($errors)) {
echo 'Please check the following problems: <ul>';
foreach ($errors as $err) {
echo '<li>' . $err . '</li>';
}
echo '</ul>';
} else {
$sql = "INSERT INTO users(user_name, user_pass, user_date) VALUES(?, ?, NOW());";
$stmt = mysqli_stmt_init($dbc);
if (!mysqli_stmt_prepare($stmt, $sql)) {
die('Could not create account due to internal error: ' . mysqli_error($dbc));
}
$pass_hash = password_hash($user_pass, PASSWORD_DEFAULT);
mysqli_stmt_bind_param($stmt, "ss", $user_name, $pass_hash);
mysqli_stmt_execute($stmt);
mysqli_stmt_close($stmt);
echo 'Account successfully registered! You can now <a href="signin.php">sign in</a>';
}
}
?>
</section>
<?php include_once 'footer.php';?>
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