Disclaimer
- Tracking the way to do the same using the
post_id - Having already answered one question about separating PDF’s from the rest
- Found disperse questions about this matter
- Decided to adopt this Q as the venue to publish this.
Follow the instructions in the comments, and this code can be adapted to organize the uploads folder by post_name (aka: slug), post_author, post_id or media type.
add_filter('wp_handle_upload_prefilter', 'wpse_25894_handle_upload_prefilter');
add_filter('wp_handle_upload', 'wpse_25894_handle_upload');
function wpse_25894_handle_upload_prefilter( $file )
{
add_filter('upload_dir', 'wpse_25894_custom_upload_dir');
return $file;
}
function wpse_25894_handle_upload( $fileinfo )
{
remove_filter('upload_dir', 'wpse_25894_custom_upload_dir');
return $fileinfo;
}
function wpse_25894_custom_upload_dir($path)
{
/*
* Determines if uploading from inside a post/page/cpt - if not, default Upload folder is used
*/
$use_default_dir = ( isset($_REQUEST['post_id'] ) && $_REQUEST['post_id'] == 0 ) ? true : false;
if( !empty( $path['error'] ) || $use_default_dir )
return $path; //error or uploading not from a post/page/cpt
/*
* Save uploads in ID based folders
*
*/
/*
$customdir="https://wordpress.stackexchange.com/" . $_REQUEST['post_id'];
*/
/*
* Save uploads in SLUG based folders
*
*/
$the_post = get_post($_REQUEST['post_id']);
$customdir="https://wordpress.stackexchange.com/" . $the_post->post_name;
/*
* Save uploads in AUTHOR based folders
*
* ATTENTION, CAUTION REQUIRED:
* This one may have security implications as you will be exposing the user names in the media paths
* Here, the *display_name* is being used, but normally it is the same as *user_login*
*
* The right thing to do would be making the first/last name mandatories
* And use:
* $customdir="https://wordpress.stackexchange.com/" . $the_author->first_name . $the_author->last_name;
*
*/
/*
$the_post = get_post($_REQUEST['post_id']);
$the_author = get_user_by('id', $the_post->post_author);
$customdir="https://wordpress.stackexchange.com/" . $the_author->data->display_name;
*/
/*
* Save uploads in FILETYPE based folders
* when using this method, you may want to change the check for $use_default_dir
*
*/
/*
$extension = substr( strrchr( $_POST['name'], '.' ), 1 );
switch( $extension )
{
case 'jpg':
case 'png':
case 'gif':
$customdir="/images";
break;
case 'mp4':
case 'm4v':
$customdir="/videos";
break;
case 'txt':
case 'doc':
case 'pdf':
$customdir="/documents";
break;
default:
$customdir="/others";
break;
}
*/
$path['path'] = str_replace($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;
}