'; } } } public function populate_columns( $column ) { if ( 'gs_logo_slider_url_field' == $column ) { $client_url = get_post_meta( get_the_ID(), 'client_url', true ); echo esc_url_raw( $client_url ); } } public function gs_logo_sort( $columns ) { $columns['gs_logo_slider_url_field'] = 'gs_logo_slider_url_field'; return $columns; } }