WC_Cart_Session::get_cart_from_session │ public │ WC 3.2.0
Get the cart data from the PHP session and store it in class variables.
Метод класса: WC_Cart_Session{}
Хуки из метода
Возвращает
null. Ничего (null).
Использование
$WC_Cart_Session = new WC_Cart_Session(); $WC_Cart_Session->get_cart_from_session();
Список изменений
| С версии 3.2.0 | Введена. |
Код WC_Cart_Session::get_cart_from_session() WC Cart Session::get cart from session WC 10.8.1
public function get_cart_from_session() {
/**
* Fires when cart is loaded from session.
*
* @since 3.2.0
*/
do_action( 'woocommerce_load_cart_from_session' );
$this->cart->set_totals( WC()->session->get( 'cart_totals', null ) );
$this->cart->set_applied_coupons( WC()->session->get( 'applied_coupons', array() ) );
$this->cart->set_coupon_discount_totals( WC()->session->get( 'coupon_discount_totals', array() ) );
$this->cart->set_coupon_discount_tax_totals( WC()->session->get( 'coupon_discount_tax_totals', array() ) );
$this->cart->set_removed_cart_contents( WC()->session->get( 'removed_cart_contents', array() ) );
$update_cart_session = false; // Flag to indicate the stored cart should be updated.
$order_again = false; // Flag to indicate whether this is a re-order.
$cart = WC()->session->get( 'cart', null );
$merge_saved_cart = (bool) get_user_meta( get_current_user_id(), '_woocommerce_load_saved_cart_after_login', true );
// Merge saved cart with current cart.
if ( is_null( $cart ) || $merge_saved_cart ) {
$saved_cart = $this->get_saved_cart();
$cart = is_null( $cart ) ? array() : $cart;
$cart = array_merge( $saved_cart, $cart );
$update_cart_session = true;
delete_user_meta( get_current_user_id(), '_woocommerce_load_saved_cart_after_login' );
}
// Populate cart from order.
if ( isset( $_GET['order_again'], $_GET['_wpnonce'] ) && is_user_logged_in() && wp_verify_nonce( wp_unslash( $_GET['_wpnonce'] ), 'woocommerce-order_again' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
$cart = $this->populate_cart_from_order( absint( $_GET['order_again'] ), $cart );
$order_again = true;
$update_cart_session = true;
}
if ( ! empty( $cart ) ) {
// Prime caches to reduce future queries.
_prime_post_caches( wp_list_pluck( $cart, 'product_id' ) );
}
$cart_contents = array();
foreach ( $cart as $key => $values ) {
if ( ! is_customize_preview() && 'customize-preview' === $key ) {
continue;
}
$product = wc_get_product( $values['variation_id'] ? $values['variation_id'] : $values['product_id'] );
if ( empty( $product ) || ! $product->exists() || 0 >= $values['quantity'] ) {
continue;
}
/**
* Allow 3rd parties to validate this item before it's added to cart and add their own notices.
*
* @since 3.6.0
*
* @param bool $remove_cart_item_from_session If true, the item will not be added to the cart. Default: false.
* @param string $key Cart item key.
* @param array $values Cart item values e.g. quantity and product_id.
* @param WC_Product $product The product being added to the cart.
*/
if ( apply_filters( 'woocommerce_pre_remove_cart_item_from_session', false, $key, $values, $product ) ) {
$update_cart_session = true;
/**
* Fires when cart item is removed from the session.
*
* @since 3.6.0
*
* @param string $key Cart item key.
* @param array $values Cart item values e.g. quantity and product_id.
* @param WC_Product $product The product being added to the cart.
*/
do_action( 'woocommerce_remove_cart_item_from_session', $key, $values, $product );
/**
* Allow 3rd parties to override this item's is_purchasable() result with cart item data.
*
* @param bool $is_purchasable If false, the item will not be added to the cart. Default: product's is_purchasable() status.
* @param string $key Cart item key.
* @param array $values Cart item values e.g. quantity and product_id.
* @param WC_Product $product The product being added to the cart.
*
* @since 7.0.0
*/
} elseif ( ! apply_filters( 'woocommerce_cart_item_is_purchasable', $product->is_purchasable(), $key, $values, $product ) ) {
$update_cart_session = true;
/* translators: %s: product name */
$message = sprintf( __( '%s has been removed from your cart because it can no longer be purchased. Please contact us if you need assistance.', 'woocommerce' ), $product->get_name() );
/**
* Filter message about item removed from the cart.
*
* @since 3.8.0
* @param string $message Message.
* @param WC_Product $product Product data.
*/
$message = apply_filters( 'woocommerce_cart_item_removed_message', $message, $product );
wc_add_notice( $message, 'error' );
/**
* Fires when cart item is removed from the session.
*
* @since 3.6.0
*
* @param string $key Cart item key.
* @param array $values Cart item values e.g. quantity and product_id.
*/
do_action( 'woocommerce_remove_cart_item_from_session', $key, $values );
} elseif ( ! empty( $values['data_hash'] ) && ! hash_equals( $values['data_hash'], wc_get_cart_item_data_hash( $product ) ) ) { // phpcs:ignore PHPCompatibility.PHP.NewFunctions.hash_equalsFound
$update_cart_session = true;
/* translators: %1$s: product name. %2$s product permalink */
$message = sprintf( __( '%1$s has been removed from your cart because it has since been modified. You can add it back to your cart <a href="%2$s">here</a>.', 'woocommerce' ), $product->get_name(), $product->get_permalink() );
/**
* Filter message about item removed from the cart because it has since been modified.
*
* @since 3.8.0
* @param string $message Message.
* @param WC_Product $product Product data.
*/
$message = apply_filters( 'woocommerce_cart_item_removed_because_modified_message', $message, $product );
wc_add_notice( $message, 'notice' );
/**
* Fires when cart item is removed from the session.
*
* @since 3.6.0
*
* @param string $key Cart item key.
* @param array $values Cart item values e.g. quantity and product_id.
*/
do_action( 'woocommerce_remove_cart_item_from_session', $key, $values );
} else {
// Put session data into array. Run through filter so other plugins can load their own session data.
$session_data = array_merge(
$values,
array(
'data' => $product,
)
);
/**
* Filter to modify or add session data to the cart contents.
*
* @since 3.2.0
*
* @param array $session_data Data for an item in the cart.
* @param array $values Data for an item in the cart, without the product object.
* @param string $key The cart item hash.
*/
$cart_contents[ $key ] = apply_filters( 'woocommerce_get_cart_item_from_session', $session_data, $values, $key );
if ( ! isset( $cart_contents[ $key ]['data'] ) || ! $cart_contents[ $key ]['data'] instanceof WC_Product ) {
// If the cart contents is missing the product object after filtering, something is wrong.
wc_doing_it_wrong(
__METHOD__,
'When filtering cart items with woocommerce_get_cart_item_from_session, each item must have a data key containing a product object.',
'9.8.0'
);
// Add the product back in.
$cart_contents[ $key ]['data'] = $product;
}
// Add to cart right away so the product is visible in woocommerce_get_cart_item_from_session hook.
$this->cart->set_cart_contents( $cart_contents );
}
}
// If it's not empty, it's been already populated by the loop above.
if ( ! empty( $cart_contents ) ) {
/**
* Filter the cart contents.
*
* @since 3.2.0
*
* @param array $cart_contents The cart contents.
*/
$this->cart->set_cart_contents( apply_filters( 'woocommerce_cart_contents_changed', $cart_contents ) );
}
/**
* Fires when cart is loaded from session.
*
* @since 3.2.0
*
* @param WC_Cart $cart The cart object.
*/
do_action( 'woocommerce_cart_loaded_from_session', $this->cart );
if ( $update_cart_session || is_null( WC()->session->get( 'cart_totals', null ) ) ) {
$cart_for_session = $this->get_cart_for_session();
WC()->session->set( 'cart', empty( $cart_for_session ) ? null : $cart_for_session );
$this->cart->calculate_totals();
if ( $merge_saved_cart || $update_cart_session ) {
$this->persistent_cart_update();
}
}
// If this is a re-order, redirect to the cart page to get rid of the `order_again` query string.
if ( $order_again ) {
wp_safe_redirect( wc_get_cart_url() );
exit;
}
}