",""), array("'","",""), $submitted_data)); $submitted_data = wp_slash($submitted_data); /* New data submitted, No previous data, create it */ if ( $submitted_data && '' == $saved_data ){ add_post_meta( $post_id, 'amp-page-builder', $submitted_data, true ); } /* New data submitted, but it's different data than previously stored data, update it */ elseif( $submitted_data ){ update_post_meta( $post_id, 'amp-page-builder', $submitted_data ); } /* New data submitted is empty, but there's old data available, delete it. */ elseif ( empty( $submitted_data ) && $saved_data ){ delete_post_meta( $post_id, 'amp-page-builder' ); } }