WordPress的自定义元框和字段：更改基于用户编辑页面的目录上传

我已经在StackOverflow上发布了这篇文章，但我意识到最好还是在这里发布。

我正在使用CMB script (Custom Meta Boxes and Fields for WordPress) 用于为具有自定义角色的不同用户上载文件cliente.

我能够显示字段并使其工作（尽管它们仅在编辑用户时显示，而不是在创建用户时显示，但这是另一个问题）。我现在试图实现的是为不同的用户将文件上载到不同的文件夹。

代码如下：

// Here we add a new user role, "cliente"
add_role( \'cliente\', \'Cliente\' );

add_filter(\'wp_handle_upload_prefilter\', \'my_upload_prefilter\');
add_filter(\'wp_handle_upload\', \'my_upload_postfilter\');

function my_upload_prefilter( $file ) {
    add_filter(\'upload_dir\', \'custom_upload_dir\');
    return $file;
}

function my_upload_postfilter( $fileinfo ) {
    remove_filter(\'upload_dir\', \'custom_upload_dir\');
    return $fileinfo;
}

function custom_upload_dir( $path ) {
    global $pagenow;

    // Check if we are on the user-edit.php page
    if ( $pagenow == \'user-edit.php\' && isset($_GET[\'user_id\']) ) {
        // Set the role we want to change the path for
        $role_to_check = \'cliente\';
        // Get a bunch of user info for later use
        $user_id = filter_var( $_GET[\'user_id\'], FILTER_SANITIZE_NUMBER_INT );
        $meta = get_user_meta($user_id);
        $roles = unserialize($meta[\'wp_capabilities\'][0]);
        // If we are on the chosen role page, set the $customdir to first_name + last_name
        if ( !empty($roles[$role_to_check]) ) {
            $customdir = \'/\' . $meta[\'first_name\'][0] . $meta[\'last_name\'][0];
        }
    } else {
        // Here we are not on the user-edit.php page. This is just a check to prove that WP is not recognizing the correct page, maybe because we are doing an Ajax call when this function is called. Confusing.
        $customdir = \'/did-not-work\';
    }

    // If there is any error, just return the $path and abort the rest.
    if ( !empty( $path[\'error\'] ) ) {
        return $path;
    }

    // Here we set the new $path with the $customdir set above
    $path[\'path\']    = str_replace($path[\'subdir\'], \'\', $path[\'path\']); //remove default subdir (year/month)
    $path[\'url\']     = str_replace($path[\'subdir\'], \'\', $path[\'url\']);      
    $path[\'subdir\']  = $customdir;
    $path[\'path\']   .= $customdir; 
    $path[\'url\']    .= $customdir; 
    return $path;

}

从我运行的一些检查来看，我的代码似乎确实检索到了用户id和数据库中存储的数据，但在上载图像时没有检测到它。这可能与我们通过Ajax或类似的方式上传图像有关吗？

我不想基于当前登录的用户进行上传，但作为超级管理员，我正在使用编辑用户对用户进行编辑。php页面。

任何帮助都将不胜感激。

// Here we add a new user role, "cliente". add_role( \'cliente\', \'Cliente\' ); // These are the filters we need to add in order to modify the default upload path. add_filter(\'wp_handle_upload_prefilter\', \'my_upload_prefilter\'); add_filter(\'wp_handle_upload\', \'my_upload_postfilter\'); function my_upload_prefilter( $file ) { add_filter(\'upload_dir\', \'custom_upload_dir\'); return $file; } function my_upload_postfilter( $fileinfo ) { remove_filter(\'upload_dir\', \'custom_upload_dir\'); return $fileinfo; } function custom_upload_dir( $path ) { // When uploading, the file gets sent to upload_async.php, so we need to take the referral page in order to be able to get the user_id we need. We then take the query string, pass it through parse_str and store it in a $query_array. Took me a while to figure it out, but now it works like a charm. $actual_page = $_SERVER[\'HTTP_REFERER\']; parse_str( parse_url($actual_page, PHP_URL_QUERY), $query_array ); // Check if we are uploading from the user-edit.php page. if ( strpos($actual_page, \'user-edit.php\') ) { // Set the role we want to change the path for. $role_to_check = \'cliente\'; // Get a bunch of user info for later use $user_id = filter_var( $query_array[\'user_id\'], FILTER_SANITIZE_NUMBER_INT ); $meta = get_user_meta( $user_id ); $roles = unserialize( $meta[\'wp_capabilities\'][0] ); // If we are on the chosen role page, set the $customdir to first_name + last_name if ( !empty($roles[$role_to_check]) ) { $customdir = \'/docs/\' . $meta[\'first_name\'][0] . $meta[\'last_name\'][0]; // If there is any error, just return the $path and abort the rest. if ( !empty( $path[\'error\'] ) ) { return $path; } // Here we set the new $path with the $customdir set above $new_subdir = $customdir . $path[\'subdir\']; $path[\'path\'] = str_replace( $path[\'subdir\'], $new_subdir, $path[\'path\'] ); $path[\'url\'] = str_replace( $path[\'subdir\'], $new_subdir, $path[\'url\'] ); $path[\'subdir\'] = $new_subdir; return $path; } } else { // We are not uploading from user-edit.php, so go ahead as per default. return $path; } }

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