Added in a remove item from cart function to save the "hacky" method of updating a product with 0 quantity, updated the changelog to reflect and to be neater and more readable surrounding the changes of the Cart library

3 files changed, 32 insertions, 3 deletions

diff --git a/system/libraries/Cart.php b/system/libraries/Cart.php
index e78ecd5f6..7f6cdf5dd 100644
--- a/system/libraries/Cart.php
+++ b/system/libraries/Cart.php
@@ -450,7 +450,29 @@ class CI_Cart {
 	{
 		return $this->_cart_contents['cart_total'];
 	}
-
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Remove Item
+	 *
+	 * Removes an item from the cart
+	 *
+	 * @access	public
+	 * @return	boolean
+	 */
+	 public function remove($rowid)
+	 {
+		// just do an unset 
+		unset($this->_cart_contents[$rowid]);
+		
+		// we need to save the cart now we've made our changes
+		$this->_save_cart();
+		
+		// completed
+		return true;
+	 }
+	 
 	// --------------------------------------------------------------------
 
 	/**
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index eda64e7ff..72b7f7e8a 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -47,8 +47,10 @@ Release Date: Not Released
    -  CI_Loader::_ci_autoloader() is now a protected method.
    -  Modified valid_ip() to use PHP's filter_var() when possible (>= PHP 5.2) in the :doc:`Form Validation library <libraries/form_validation>`.
 	 -  Added custom filename to Email::attach() as $this->email->attach($filename, $disposition, $newname)
-   -  The Cart library now auto-increments quantity's instead of just resetting it, this is the default behaviour of large e-commerce sites.
-   -  Cart Product Name strictness can be disabled via the Cart Library by switching "$product_name_safe"
+   -  Cart library changes include;
+	 -  It now auto-increments quantity's instead of just resetting it, this is the default behaviour of large e-commerce sites.
+	 -  Product Name strictness can be disabled via the Cart Library by switching "$product_name_safe"
+	 -  Added function remove() to remove a cart item, updating with quantity of 0 seemed like a hack but has remained to retain compatability
 
 -  Core
 
diff --git a/user_guide_src/source/libraries/cart.rst b/user_guide_src/source/libraries/cart.rst
index a1e042ef2..fbf777884 100644
--- a/user_guide_src/source/libraries/cart.rst
+++ b/user_guide_src/source/libraries/cart.rst
@@ -256,6 +256,11 @@ $this->cart->update();
 
 Permits you to update items in the shopping cart, as outlined above.
 
+$this->cart->remove(rowid);
+**********************
+
+Allows you to remove an item from the shopping cart by passing it the rowid.
+
 $this->cart->total();
 *********************