我试图通过Ajax调用获取ACF字段的内容。这是我的回调函数：

function my_ajax_request() {

      $id = $_POST[\'id\'];

      if( have_rows(\'carousel_slide\') ):

    // Loop through rows
    while( have_rows(\'carousel_slide\') ) : the_row();

     // Load sub Fields
     $cta_text = get_sub_field(\'cta_text\');

     // Allowed html
     $allowed_html = array(
       \'strong\' => array()
     );
    ?>

    <div class="cta-popup">
      <!-- Modal -->
      <div class="modal fade" id="cta-modal-1<?php echo $id; ?>" tabindex="-1" role="dialog" aria-hidden="true">
        <div class="modal-dialog" role="document">
          <div class="modal-content">
            <div class="modal-header">
              <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                <span aria-hidden="true">&times;</span>
              </button>
            </div>
            <div class="modal-body">
              <p><?php echo wp_kses( $cta_text, $allowed_html );?></p>
            </div>
          </div>
        </div>
      </div>
    </div>
<?php
   // End loop
   endwhile;
   // End if
 endif; ?>

</div><!-- end carousel-inner -->

<?php
die();
}
add_action( \'wp_ajax_my_ajax_request\', \'my_ajax_request\' );

这是我的Ajax调用：

  jQuery(\'.btn\').click(function () {
    var id = jQuery(this).attr(\'data-target\').replace(\'#\', \'\');
    console.log(id);
    jQuery.ajax({
        url: ajaxurl.url,
        type: \'POST\',
        data: {
            action: \'my_ajax_request\',
            id : id
        },
        success: function (result) {
           jQuery(\'.modal\').attr(\'id\',id);
           jQuery(id).modal(\'show\');
           alert(id);
        },
        error: function () {
            alert("error");
        }
    });

});
});

id来自一个按钮，单击该按钮应打开引导模式。然而，我不断收到以下通知：

Notice: Undefined index: my_id in /Applications/MAMP/htdocs/wordpress/wp-content/themes/my-teme/functions.php on line 61

想法是在我的\\u Ajax\\u请求（）上使用Ajax调用的id。我错过了什么？