Assign multiple categories to Media Library upload

Here’s how I did it, using a form to id file and set doc type, uploading with media_handle_upload, then post-processing using the attachmentID and combo box choice from the form with wp_set_object_terms: function myFileUploader() { if (isset($_POST[‘submit’])) { require_once( ABSPATH . ‘wp-admin/includes/image.php’ ); require_once( ABSPATH . ‘wp-admin/includes/file.php’ ); require_once( ABSPATH . ‘wp-admin/includes/media.php’ ); $doctype = … Read more