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require 'core/findConflict.php';
        $username = $_POST['username'];
        $password = $_POST['password'];
        $cpassword = $_POST['cpassword'];
        $email = $_POST['email'];
        $hash = password_hash($password, PASSWORD_DEFAULT);
        $query = dbConnect()->prepare("SELECT email, username FROM users WHERE username = :username OR email = :email");
        $query->bindParam(':username', $username);
        $query->bindParam(':email', $email);
        $query->execute();
        $conflictingItems = [];
        while ( $result = $query->fetch( PDO::FETCH_ASSOC ) ) {
            $conflictingItems[] = $result;
        }
        // for checking checkGoogleCaptcha() function!!
        require_once 'core/recaptchalib.php';
        if(isset($_POST['g-recaptcha-response']))
        $captcha = $_POST['g-recaptcha-response'];
        $response = json_decode(file_get_contents("https://www.google.com/recaptcha/api/siteverify?secret=6Levrg4TAAAAAFmjcgKW8kDakmXTiBhmiCnUMchD&response=".$captcha."&remoteip=".$_SERVER['REMOTE_ADDR']), true);

        if ( count ($conflictingItems) == 1 ) {
          switch ( getConflict($conflictingItems, $username, $email) ) {
              case 1:
              // username conflict
              echo "<p class='error'>username taken</p>";
              break;
              case 2:
              // Email conflict
              echo "<p class='error'>email already in use</p>";
              break;
              case 3:
              // email & username conflict
              echo '<p class="error">username & email in use</p>';
              break;
          }
        } elseif ( count($conflictingItems) == 2 ) {