woocommerce / woocommerce

	public static function is_compound( $key_or_rate ) {

		global $wpdb;

		if ( is_object( $key_or_rate ) ) {

			$key      = $key_or_rate->tax_rate_id;

			$compound = $key_or_rate->tax_rate_compound;

		} else {

			$key      = $key_or_rate;

			$compound = (bool) $wpdb->get_var( $wpdb->prepare( "SELECT tax_rate_compound FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %s", $key ) );

		}

		return (bool) apply_filters( 'woocommerce_rate_compound', $compound, $key );

	}

	public static function get_rate_label( $key_or_rate ) {

		global $wpdb;

		if ( is_object( $key_or_rate ) ) {

			$key       = $key_or_rate->tax_rate_id;

			$rate_name = $key_or_rate->tax_rate_name;

		} else {

			$key       = $key_or_rate;

			$rate_name = $wpdb->get_var( $wpdb->prepare( "SELECT tax_rate_name FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %s", $key ) );

		}

		if ( ! $rate_name ) {

			$rate_name = WC()->countries->tax_or_vat();

	public static function get_rate_percent_value( $key_or_rate ) {

		global $wpdb;

		if ( is_object( $key_or_rate ) ) {

			$tax_rate = $key_or_rate->tax_rate;

		} else {

			$key      = $key_or_rate;

			$tax_rate = $wpdb->get_var( $wpdb->prepare( "SELECT tax_rate FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %s", $key ) );

		}

		return floatval( $tax_rate );

	}

	public static function get_rate_code( $key_or_rate ) {

		global $wpdb;

		if ( is_object( $key_or_rate ) ) {

			$key  = $key_or_rate->tax_rate_id;

			$rate = $key_or_rate;

		} else {

			$key  = $key_or_rate;

			$rate = $wpdb->get_row( $wpdb->prepare( "SELECT tax_rate_country, tax_rate_state, tax_rate_name, tax_rate_priority FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %s", $key ) );

		}

		$code_string = '';