woocommerce_product_is_visible │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_product_is_visible', 'wp_kama_woocommerce_product_is_visible_filter', 10, 2 );

/**
 * Function for `woocommerce_product_is_visible` filter-hook.
 * 
 * @param  $visible 
 * @param  $id      
 *
 * @return 
 */
function wp_kama_woocommerce_product_is_visible_filter( $visible, $id ){

	// filter...
	return $visible;
}

$visible

-

$id

-

Where the hook is called

return apply_filters( 'woocommerce_product_is_visible', $visible, $this->get_id() );

Where the hook is used in WooCommerce

add_action( 'woocommerce_product_is_visible', array( $this, 'set_product_as_visible' ) );

remove_action( 'woocommerce_product_is_visible', array( $this, 'set_product_as_visible' ) );