prepare("SELECT id FROM users WHERE email = :email OR username = :username");
$stmt->execute(['email' => $email, 'username' => $username]);
if ($stmt->fetch()) {
$errors[] = "Email or username already in use.";
} else {
$hash = password_hash($password, PASSWORD_BCRYPT, ['cost' => 12]);
$uniqueId = bin2hex(random_bytes(16)); // session ID
$insert = $conn->prepare("INSERT INTO users (username, email, password, uniqueid) VALUES (:username, :email, :password, :uniqueid)");
$insert->execute([
'username' => $username,
'email' => $email,
'password' => $hash,
'uniqueid' => $uniqueId,
]);
$_SESSION['user_id'] = $conn->lastInsertId();
$_SESSION['uniqueid'] = $uniqueId;
header("Location: /home.php");
exit();
}
}
}
?>
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