query($sql); if(mysqli_num_rows($result_articles)) { print("usernameRegistered"); die(); } $sql = "SELECT * FROM `VokabelBox2Users` WHERE `email` = '$email'"; $result_articles = $conn->query($sql); if(mysqli_num_rows($result_articles)) { print("emailRegistered"); die(); } if($password != $password_repeat) { print("noAgreement"); die(); } $captcha = $_POST["captcha"]; $secret = "6LdfJZkaAAAAABL6KR5GQll8xxkPRJZGYknBYKeQ"; $response = json_decode(file_get_contents("https://www.google.com/recaptcha/api/siteverify?secret=".$secret."&response=".$captcha."&remoteip=".$_SERVER["REMOTE_ADDR"]), true); if ($response["success"] != false) { } else { print("noCaptcha"); die(); } $password = hash('sha512',$password); $_SESSION["Benutzername"] = $username; $_SESSION["Passwort"] = $password; $_SESSION["Email"] = $email; $code = ''; $string = "0123456789"; for ($i = 1; $i <= 4; $i++) { $zufallszahl = rand(0, 9); $zufallszahl = substr($string, $zufallszahl, 1); $code = $code . $zufallszahl; } $_SESSION["code"] = $code; $_SESSION["codeFails"] = 0; $betreff = "Willkommen bei VokSpace!"; $from = "VokSpace"; $text = '