<?php 
}
?>
                </select> 
                <!-- end audio file select -->

                <h3>X-Arg:</h3>
                <label><?php 
echo htmlspecialchars($x_arg);
?>
</label>

                <h3>MIME Data</h3>
                <textarea id="x_arg" name="x_arg" readonly="readonly" rows="4" 
                    value="<?php 
echo htmlspecialchars($controller->getMIMEData());
?>
"
                    ><?php 
echo htmlspecialchars($controller->getMIMEData());
?>
</textarea>
                <br>
                <button type="submit" name="SpeechToText" id="SpeechToTextCustom">Submit</button>
              </div> <!-- end of formData -->
            </form> <!-- end of SpeechToText form -->
          </div> <!-- end of formContainer -->
          <?php 
if (isset($errors[SpeechController::ERROR_STT])) {
    $error = $errors[SpeechController::ERROR_STT];
    ?>