在ACF照片库插件中向图像添加自定义CSS类时出现问题

我正在使用ACF照片库插件（添加图像库选项的ACF插件）。我正在尝试添加为特定图像提供自己的CSS类的选项，所有这些都是通过教程->https://wordpress.org/plugins/navz-photo-gallery/ （用法，添加额外字段），但不幸的是，由于某种原因，CSS类没有出现在代码中。我将注释代码粘贴到下面（没有太多）。我哪里出错了？

/// I put this to functions.php, in edition in particular image window appears with css class field
<?php
function my_extra_gallery_fields( $args, $attachment_id, $field ){
    $args[\'class\'] = array(\'type\' => \'text\', \'label\' => \'Kolor produktu\', \'name\' => \'class\', \'value\' => get_field($field . \'_class\', $attachment_id) );  /// I think the problem may be here
    return $args;
}
add_filter( \'acf_photo_gallery_image_fields\', \'my_extra_gallery_fields\', 10, 3 );
?>
/// I put this code to single-portfolio.php
<?php
    $images = acf_photo_gallery(\'gallery_images\', $post->ID); /// gallery_images to slug pola galeria w ACF
    if( count($images) ):
        foreach($images as $image):
            $full_image_url= $image[\'full_image_url\'];
            $class = get_field(\'gallery_images_class\', $id);
    endforeach; endif;
?>  
/// This code displays image, CSS class should appers, but it doesn\'t
<?php foreach($images as $image) { ?>
     <img src="<?php echo $image[\'full_image_url\']; ?>" class="<?php echo $class; ?>" >
<?php } ?>

<?php $images = acf_photo_gallery(\'gallery_images\', $post->ID); /// gallery_images to slug pola galeria w ACF if( count($images) ): foreach($images as $image): $full_image_url= $image[\'full_image_url\']; $class = get_field(\'gallery_images_class\', $id); echo \'<img src="\'.$image[\'full_image_url\'].\'" class="\'.$class.\'" >\'; endforeach; endif; ?>

<?php $images = acf_photo_gallery(\'gallery_images\', $post->ID); /// gallery_images to slug pola galeria w ACF if( count($images) ): foreach($images as $image): $full_image_url= $image[\'full_image_url\']; $class = get_field(\'gallery_images_class\', $image[\'id\']); echo \'<img src="\'.$image[\'full_image_url\'].\'" class="\'.$class.\'" >\'; endforeach; endif; ?>

自定义用户角色wordPress-授予来宾对edit.php的访问权限，而无需插入/更新/删除

我正在一个网站上工作，我想向客户展示产品的演示版本。为此，他们可以使用来宾帐户登录，我创建了以下角色add_role(\'guest\', __(\'Guest\'), array( \'read\' => true ) ); 当我以来宾身份登录时，我会被重定向到并看到概览页/管理员。php？page=my\\u overview，所以这确实有效，但当来宾单击此overview中的任何项目时，我会收到一条消息，说：您

/// I put this to functions.php, in edition in particular image window appears with css class field <?php function my_extra_gallery_fields( $args, $attachment_id, $field ){ $args[\'class\'] = array(\'type\' => \'text\', \'label\' => \'Kolor produktu\', \'name\' => \'class\', \'value\' => get_field($field . \'_class\', $attachment_id) ); /// I think the problem may be here return $args; } add_filter( \'acf_photo_gallery_image_fields\', \'my_extra_gallery_fields\', 10, 3 ); ?> /// I put this code to single-portfolio.php <?php $images = acf_photo_gallery(\'gallery_images\', $post->ID); /// gallery_images to slug pola galeria w ACF if( count($images) ): foreach($images as $image): $full_image_url= $image[\'full_image_url\']; $class = get_field(\'gallery_images_class\', $id); endforeach; endif; ?> /// This code displays image, CSS class should appers, but it doesn\'t <?php foreach($images as $image) { ?> <img src="<?php echo $image[\'full_image_url\']; ?>" class="<?php echo $class; ?>" > <?php } ?>

<?php $images = acf_photo_gallery(\'gallery_images\', $post->ID); /// gallery_images to slug pola galeria w ACF if( count($images) ): foreach($images as $image): $full_image_url= $image[\'full_image_url\']; $class = get_field(\'gallery_images_class\', $image[\'id\']); echo \'<img src="\'.$image[\'full_image_url\'].\'" class="\'.$class.\'" >\'; endforeach; endif; ?>

如何将.css文件应用于虚拟页面？

如果使用以下插件在保持主题完整的情况下创建虚拟页面wp-virtual-page-tutorial, 怎么可能。css文件是否应用于此虚拟页面？如何使用将虚拟页名称用作条件的if语句来实现这一点？任何帮助都将不胜感激。以下是创建虚拟页面的代码：Class VPTutorial { function __construct() { register_activation_hook( __FILE__, array( $this, \'activate\' ) );&#

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自定义用户角色wordPress-授予来宾对edit.php的访问权限，而无需插入/更新/删除

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在ACF照片库插件中向图像添加自定义CSS类时出现问题

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如何将.css文件应用于虚拟页面？