is_filtered()WC 1.0

Is_filtered - Returns true when filtering products using layered nav or price sliders.

Hooks from the function

Return

true|false.

Usage

is_filtered();

is_filtered() code WC 9.4.2

function is_filtered() {
	return apply_filters( 'woocommerce_is_filtered', ( count( WC_Query::get_layered_nav_chosen_attributes() ) > 0 || isset( $_GET['max_price'] ) || isset( $_GET['min_price'] ) || isset( $_GET['rating_filter'] ) ) ); // WPCS: CSRF ok.
}