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<?php /** * This ongoing trait will have shared calculation logic between WC_Abstract_Order and WC_Cart_Totals classes. * * @package WooCommerce\Traits * @version 3.9.0 / use Automattic\WooCommerce\Utilities\NumberUtil; if ( ! defined( 'ABSPATH' ) ) { exit; } /* * Trait WC_Item_Totals. * * Right now this do not have much, but plan is to eventually move all shared calculation logic between Orders and Cart in this file. * * @since 3.9.0 / trait WC_Item_Totals { /* * Line items to calculate. Define in child class. * * @since 3.9.0 * @param string $field Field name to calculate upon. * * @return array having `total`\|`subtotal` property. / abstract protected function get_values_for_total( $field ); /* * Return rounded total based on settings. Will be used by Cart and Orders. * * @since 3.9.0 * * @param array $values Values to round. Should be with precision. * * @return float\|int Appropriately rounded value. / public static function get_rounded_items_total( $values ) { return array_sum( array_map( array( self::class, 'round_item_subtotal' ), $values ) ); } /* * Apply rounding to item subtotal before summing. * * @since 3.9.0 * @param float $value Item subtotal value. * @return float / public static function round_item_subtotal( $value ) { if ( ! self::round_at_subtotal() ) { $value = NumberUtil::round( $value ); } return $value; } /* * Should always round at subtotal? * * @since 3.9.0 * @return bool / protected static function round_at_subtotal() { return 'yes' === get_option( 'woocommerce_tax_round_at_subtotal' ); } /* * Apply rounding to an array of taxes before summing. Rounds to store DP setting, ignoring precision. * * @since 3.2.6 * @param float $value Tax value. * @param bool $in_cents Whether precision of value is in cents. * @return float */ protected static function round_line_tax( $value, $in_cents = true ) { if ( ! self::round_at_subtotal() ) { $value = wc_round_tax_total( $value, $in_cents ? 0 : null ); } return $value; } }