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function is not described

WC_Product::is_taxable() public WC 1.0

Returns whether or not the product is taxable.

{} It's a method of the class: WC_Product{}

Hooks from the method
Return

true|false.

Usage

$WC_Product = new WC_Product();
$WC_Product->is_taxable();

Code of WC_Product::is_taxable() WC 5.5.2

<?php
public function is_taxable() {
	return apply_filters( 'woocommerce_product_is_taxable', $this->get_tax_status() === 'taxable' && wc_tax_enabled(), $this );
}