wc_product_canonical_redirect() │ WC 1.0

Ensure that the product_cat value determined in wc_product_post_type_link is the canonical value.

If other values are used in this part of the permalink, it will be redirected.

No Hooks.

Return

null. Nothing (null).

Usage

wc_product_canonical_redirect(): void;

wc_product_canonical_redirect() wc product canonical redirect code ^{WC 9.5.1}

function wc_product_canonical_redirect(): void {
	global $wp_rewrite;

	if (
		! did_action( 'woocommerce_init' )
		|| ! is_product()
		|| ! is_a( $wp_rewrite, WP_Rewrite::class )
	) {
		return;
	}

	// In the event we are dealing with ugly permalinks, this will be empty.
	$specified_category_slug = get_query_var( 'product_cat' );

	if ( ! is_string( $specified_category_slug ) || strlen( $specified_category_slug ) < 1 ) {
		return;
	}

	// What category slug did we expect? Normally this maps back to the first assigned product_cat
	// term. However, this is filterable so we use the relevant helper function to figure this out.
	$expected_category_slug = wc_product_post_type_link( '%product_cat%', get_post( get_the_ID() ) );

	if ( $specified_category_slug === $expected_category_slug ) {
		return;
	}

	// phpcs:ignore WordPress.Security.NonceVerification.Recommended
	$query_vars = isset( $_GET ) && is_array( $_GET ) ? $_GET : array();

	wp_safe_redirect( add_query_arg( $query_vars, wc_get_product( get_the_ID() )->get_permalink() ), 301 );
	exit();
}