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<?php /** * Cart fees API. * * Developers can add fees to the cart via WC()->cart->fees_api() which will reference this class. * * We suggest using the action woocommerce_cart_calculate_fees hook for adding fees. * * @package WooCommerce\Classes * @version 3.2.0 / defined( 'ABSPATH' ) \|\| exit; /* * WC_Cart_Fees class. * * @since 3.2.0 / final class WC_Cart_Fees { /* * An array of fee objects. * * @var object[] / private $fees = array(); /* * New fees are made out of these props. * * @var array / private $default_fee_props = array( 'id' => '', 'name' => '', 'tax_class' => '', 'taxable' => false, 'amount' => 0, 'total' => 0, ); /* * Constructor. Reference to the cart. * * @param null $deprecated Deprecated since WooCommerce 8.2.0. * * @since 3.2.0 / public function __construct( $deprecated = null ) { if ( isset( $deprecated ) ) { wc_doing_it_wrong( 'new WC_Cart_Fees', 'You don\'t need to pass a cart parameter to the WC_Cart_Fees constructor anymore', '8.2.0' ); } } /* * Register methods for this object on the appropriate WordPress hooks. / public function init() {} /* * Add a fee. Fee IDs must be unique. * * @since 3.2.0 * @param array $args Array of fee properties. * @return object Either a fee object if added, or a WP_Error if it failed. / public function add_fee( $args = array() ) { $fee_props = (object) wp_parse_args( $args, $this->default_fee_props ); $fee_props->name = $fee_props->name ? $fee_props->name : __( 'Fee', 'woocommerce' ); $fee_props->tax_class = in_array( $fee_props->tax_class, array_merge( WC_Tax::get_tax_classes(), WC_Tax::get_tax_class_slugs() ), true ) ? $fee_props->tax_class : ''; $fee_props->taxable = wc_string_to_bool( $fee_props->taxable ); $fee_props->amount = wc_format_decimal( $fee_props->amount ); if ( empty( $fee_props->id ) ) { $fee_props->id = $this->generate_id( $fee_props ); } if ( array_key_exists( $fee_props->id, $this->fees ) ) { return new WP_Error( 'fee_exists', __( 'Fee has already been added.', 'woocommerce' ) ); } $this->fees[ $fee_props->id ] = $fee_props; return $this->fees[ $fee_props->id ]; } /* * Get fees. * * @return array / public function get_fees() { uasort( $this->fees, array( $this, 'sort_fees_callback' ) ); return $this->fees; } /* * Set fees. * * @param object[] $raw_fees Array of fees. / public function set_fees( $raw_fees = array() ) { $this->fees = array(); foreach ( $raw_fees as $raw_fee ) { $this->add_fee( $raw_fee ); } } /* * Remove all fees. * * @since 3.2.0 / public function remove_all_fees() { $this->set_fees(); } /* * Sort fees by amount. * * @param stdClass $a Fee object. * @param stdClass $b Fee object. * @return int / protected function sort_fees_callback( $a, $b ) { /* * Filter sort fees callback. * * @since 3.8.0 * @param int Sort order, -1 or 1. * @param stdClass $a Fee object. * @param stdClass $b Fee object. / return apply_filters( 'woocommerce_sort_fees_callback', $a->amount > $b->amount ? -1 : 1, $a, $b ); } /* * Generate a unique ID for the fee being added. * * @param string $fee Fee object. * @return string fee key. */ private function generate_id( $fee ) { return sanitize_title( $fee->name ); } }

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