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filter is not described

woocommerce_is_virtual filter-hook . WC 1.0

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

Usage

add_filter( 'woocommerce_is_virtual', 'filter_function_name_4015', 10, 2 );
function filter_function_name_4015( $true === $this->get_virtual, $that ){
	// filter...

	return $true === $this->get_virtual;
}
$true === $this->get_virtual
-
$that
-

Where the hook is called

WC_Product::is_virtual()
woocommerce_is_virtual
woocommerce/includes/abstracts/abstract-wc-product.php 1509
return apply_filters( 'woocommerce_is_virtual', true === $this->get_virtual(), $this );

Where in WP core the hook is used WooCommerce

Usage not found.