WC_Tax::sort_rates_callback │ private static │ WC 1.0

Does the sort comparison. Compares (in this order):

• Priority
• Country
• State
• Number of postcodes
• Number of cities
• ID

Method of the class: WC_Tax{}

No Hooks.

Returns

Int.

Usage

$result = WC_Tax::sort_rates_callback( $rate1, $rate2 );

$rate1(object) (required)

First rate to compare.

$rate2(object) (required)

Second rate to compare.

WC_Tax::sort_rates_callback() WC Tax::sort rates callback code ^{WC 10.3.6}

private static function sort_rates_callback( $rate1, $rate2 ) {
	if ( $rate1->tax_rate_priority !== $rate2->tax_rate_priority ) {
		return $rate1->tax_rate_priority < $rate2->tax_rate_priority ? -1 : 1; // ASC.
	}

	if ( $rate1->tax_rate_country !== $rate2->tax_rate_country ) {
		if ( '' === $rate1->tax_rate_country ) {
			return 1;
		}
		if ( '' === $rate2->tax_rate_country ) {
			return -1;
		}
		return strcmp( $rate1->tax_rate_country, $rate2->tax_rate_country ) > 0 ? 1 : -1;
	}

	if ( $rate1->tax_rate_state !== $rate2->tax_rate_state ) {
		if ( '' === $rate1->tax_rate_state ) {
			return 1;
		}
		if ( '' === $rate2->tax_rate_state ) {
			return -1;
		}
		return strcmp( $rate1->tax_rate_state, $rate2->tax_rate_state ) > 0 ? 1 : -1;
	}

	if ( isset( $rate1->postcode_count, $rate2->postcode_count ) && $rate1->postcode_count !== $rate2->postcode_count ) {
		return $rate1->postcode_count < $rate2->postcode_count ? 1 : -1;
	}

	if ( isset( $rate1->city_count, $rate2->city_count ) && $rate1->city_count !== $rate2->city_count ) {
		return $rate1->city_count < $rate2->city_count ? 1 : -1;
	}

	return $rate1->tax_rate_id < $rate2->tax_rate_id ? -1 : 1;
}