woocommerce_cart_id

The WooCommerce woocommerce cart id hook.

Description

apply_filters( 'woocommerce_cart_id', (unknown) $md5, (unknown) $product_id, (unknown) $variation_id, (unknown) $variation, (unknown) $cart_item_data ); 

Parameters (5)

0. $md5 (unknown) => md5( implode( '_', $id_parts ) )
The md5.
1. $product_id (unknown)
The product id.
2. $variation_id (unknown)
The variation id.
3. $variation (unknown)
The variation.
4. $cart_item_data (unknown)
The cart item data.

Usage

To run the hook, copy the example below.
  1. $md5 = apply_filters( 'woocommerce_cart_id', $md5, $product_id, $variation_id, $variation, $cart_item_data ); 
  2.  
  3. if ( !empty( $md5 ) ) { 
  4.  
  5. // everything has led up to this point... 
  6.  
  7.  
The following example is for adding a hook callback.
  1. // define the woocommerce_cart_id callback 
  2. function filter_woocommerce_cart_id( $md5, $product_id, $variation_id, $variation, $cart_item_data ) { 
  3. // make filter magic happen here... 
  4. return $md5
  5. }; 
  6.  
  7. // add the filter 
  8. add_filter( 'woocommerce_cart_id', 'filter_woocommerce_cart_id', 10, 5 ); 
To remove a hook callback, use the example below.
  1. // remove the filter 
  2. remove_filter( 'woocommerce_cart_id', 'filter_woocommerce_cart_id', 10, 5 ); 

Defined (1)

The filter is defined in the following location(s).

/includes/class-wc-cart.php  
  1. return apply_filters( 'woocommerce_cart_id', md5( implode( '_', $id_parts ) ), $product_id, $variation_id, $variation, $cart_item_data );