woocommerce_get_items_key, , $item

apply_filters('woocommerce_get_items_key, , $item') is found 1 times:

• /includes/abstracts/abstract-wc-order.php line 1252

  			return 'tax_lines';
  		} elseif ( is_a( $item, 'WC_Order_Item_Coupon' ) ) {
  			return 'coupon_lines';
  		}
  		return apply_filters( 'woocommerce_get_items_key', '', $item );
  	}
  
  	/**
  	 * Remove item from the order.
  	 *
  	 * @param int $item_id Item ID to delete.
  

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