如何增加 Wordpress 中特定用户角色的最大上传文件大小？

Question

On my WordPress site, the Super Administrator user can upload up to 256 MB, but the editor users can only upload up 2 MB. How to increase it?

Answer 1

My problem with this piece of code was solved.

/**
* Filter the upload size limit for non-administrators.
*
* @param string $size Upload size limit (in bytes).
* @return int (maybe) Filtered size limit.
*/
function filter_site_upload_size_limit( $size ) {
    // Set the upload size limit to 10 MB for users lacking the 'manage_options' capability.
    if ( ! current_user_can( 'manage_options' ) ) {
        // 10 MB.
    $size = 1024 * 10000;
    }
    return $size;
}
add_filter( 'upload_size_limit', 'filter_site_upload_size_limit', 20 );

Source: https://developer.wordpress.org/reference/hooks/upload_size_limit/#user-contributed-notes

Answer 2

The short answer is that you can't increase it beyond the limits set by super user. So, if you found 2MB as the maximum value, it would be the maximum set by admin.

Answer 3

You can do this very easy for each site inside Network Admin>Sites. Select the site you want to edit and once on the settings page scroll all the way to the bottom. You will see Upload limit setting. So if you as a superadmin created a site and need to have more upload limit you can do this. For a role setting the code mentioned above works.