get_col( $wpdb->prepare( "SELECT option_name FROM {$wpdb->options} WHERE option_name LIKE %s OR option_name LIKE %s", $wpdb->esc_like( '_transient_cepis_woo_' ) . '%', $wpdb->esc_like( '_transient_timeout_cepis_woo_' ) . '%' ) ); foreach ( (array) $cepis_woo_names as $cepis_woo_name ) { delete_option( (string) $cepis_woo_name ); } wp_cache_flush();