get_results( "SELECT `option_name` AS `name`, `option_value` AS `value` FROM $wpdb->options WHERE `option_name` LIKE '%transient_burst%' ORDER BY `option_name`", 'ARRAY_A' ); // loop through all burst transients and delete foreach ( $results as $key => $value ) { $transient_name = substr( $value['name'], 11 ); delete_transient( $transient_name ); } $mu_plugin = trailingslashit( WPMU_PLUGIN_DIR ) . 'burst_rest_api_optimizer.php'; if ( file_exists( $mu_plugin ) ) { unlink( $mu_plugin ); }