woocommerce_is_virtual │ filter-hook │ WC 1.0

Checks if a product is virtual (has no shipping).

Usage

add_filter( 'woocommerce_is_virtual', 'wp_kama_woocommerce_is_virtual_filter', 10, 2 );

/**
 * Function for `woocommerce_is_virtual` filter-hook.
 * 
 * @param  $true === $this->get_virtual 
 * @param  $that                        
 *
 * @return 
 */
function wp_kama_woocommerce_is_virtual_filter( $true === $this->get_virtual, $that ){

	// filter...
	return $true === $this->get_virtual;
}

$true === $this->get_virtual

-

$that

-

Where the hook is called

return apply_filters( 'woocommerce_is_virtual', true === $this->get_virtual(), $this );

Where the hook is used in WooCommerce