Description
Fires before a bulk thumbnail import runs. Useful to remove actions and filters added by third-party plugins that would slow down or interfere with the import.
Parameters
This hook does not pass any parameters.
Example
add_action( 'cbc_before_thumbnails_bulk_import', function() {
remove_filter( 'wp_generate_attachment_metadata', 'my_plugin_resize', 10 );
} );