Deletes a product

woocommerce_product_delete_function.php

<?php
function deleteProduct($id, $force = FALSE) {
	$product = wc_get_product($id);

	if(empty($product))
		return new WP_Error(999, sprintf(__('No %s is associated with #%d', 'woocommerce'), 'product', $id));

	// If we're forcing, then delete permanently.
	if ($force)	{
		if ($product->is_type('variable')) {
			foreach ($product->get_children() as $child_id) {
				$child = wc_get_product($child_id);
				$child->delete(true);
			}
		} elseif ($product->is_type('grouped')) {
			foreach ($product->get_children() as $child_id) 			{
				$child = wc_get_product($child_id);
				$child->set_parent_id(0);
				$child->save();
			}
		}

		$product->delete(true);
		$result = $product->get_id() > 0 ? false : true;
	} else {
		$product->delete();
		$result = 'trash' === $product->get_status();
	}

	if (!$result) {
		return new WP_Error(999, sprintf(__('This %s cannot be deleted', 'woocommerce'), 'product'));
	}

	// Delete parent product transients.
	if ($parent_id = wp_get_post_parent_id($id)) {
		wc_delete_product_transients($parent_id);
	}
	return true;
}