Cleanup of stray spaces and tabs

1 files changed, 70 insertions, 70 deletions

diff --git a/system/libraries/Cart.php b/system/libraries/Cart.php
index 643d2eca4..f3969ef2c 100644
--- a/system/libraries/Cart.php
+++ b/system/libraries/Cart.php
@@ -29,7 +29,7 @@ class CI_Cart {
 	// These are the regular expression rules that we use to validate the product ID and product name
 	var $product_id_rules	= '\.a-z0-9_-'; // alpha-numeric, dashes, underscores, or periods
 	var $product_name_rules	= '\.\:\-_ a-z0-9'; // alpha-numeric, dashes, underscores, colons or periods
-	
+
 	// Private variables.  Do not change!
 	var $CI;
 	var $_cart_contents	= array();
@@ -39,12 +39,12 @@ class CI_Cart {
 	 * Shopping Class Constructor
 	 *
 	 * The constructor loads the Session class, used to store the shopping cart contents.
-	 */		
+	 */
 	function CI_Cart($params = array())
-	{	
+	{
 		// Set the super object to a local variable for use later
 		$this->CI =& get_instance();
-		
+
 		// Are any config settings being passed manually?  If so, set them
 		$config = array();
 		if (count($params) > 0)
@@ -54,10 +54,10 @@ class CI_Cart {
 				$config[$key] = $val;
 			}
 		}
-		
+
 		// Load the Sessions class
 		$this->CI->load->library('session', $config);
-			
+
 		// Grab the shopping cart array from the session table, if it exists
 		if ($this->CI->session->userdata('cart_contents') !== FALSE)
 		{
@@ -66,15 +66,15 @@ class CI_Cart {
 		else
 		{
 			// No cart exists so we'll set some base values
-			$this->_cart_contents['cart_total'] = 0;		
-			$this->_cart_contents['total_items'] = 0;		
+			$this->_cart_contents['cart_total'] = 0;
+			$this->_cart_contents['total_items'] = 0;
 		}
-	
+
 		log_message('debug', "Cart Class Initialized");
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Insert items into the cart and save it to the session table
 	 *
@@ -90,15 +90,15 @@ class CI_Cart {
 			log_message('error', 'The insert method must be passed an array containing data.');
 			return FALSE;
 		}
-				
-		// You can either insert a single product using a one-dimensional array, 
+
+		// You can either insert a single product using a one-dimensional array,
 		// or multiple products using a multi-dimensional one. The way we
 		// determine the array type is by looking for a required array key named "id"
 		// at the top level. If it's not found, we will assume it's a multi-dimensional array.
-	
-		$save_cart = FALSE;		
+
+		$save_cart = FALSE;
 		if (isset($items['id']))
-		{			
+		{
 			if ($this->_insert($items) == TRUE)
 			{
 				$save_cart = TRUE;
@@ -114,7 +114,7 @@ class CI_Cart {
 					{
 						$save_cart = TRUE;
 					}
-				}			
+				}
 			}
 		}
 
@@ -129,7 +129,7 @@ class CI_Cart {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Insert
 	 *
@@ -145,9 +145,9 @@ class CI_Cart {
 			log_message('error', 'The insert method must be passed an array containing data.');
 			return FALSE;
 		}
-		
+
 		// --------------------------------------------------------------------
-	
+
 		// Does the $items array contain an id, quantity, price, and name?  These are required
 		if ( ! isset($items['id']) OR ! isset($items['qty']) OR ! isset($items['price']) OR ! isset($items['name']))
 		{
@@ -156,7 +156,7 @@ class CI_Cart {
 		}
 
 		// --------------------------------------------------------------------
-	
+
 		// Prep the quantity. It can only be a number.  Duh...
 		$items['qty'] = trim(preg_replace('/([^0-9])/i', '', $items['qty']));
 		// Trim any leading zeros
@@ -167,9 +167,9 @@ class CI_Cart {
 		{
 			return FALSE;
 		}
-				
+
 		// --------------------------------------------------------------------
-	
+
 		// Validate the product ID. It can only be alpha-numeric, dashes, underscores or periods
 		// Not totally sure we should impose this rule, but it seems prudent to standardize IDs.
 		// Note: These can be user-specified by setting the $this->product_id_rules variable.
@@ -180,7 +180,7 @@ class CI_Cart {
 		}
 
 		// --------------------------------------------------------------------
-	
+
 		// Validate the product name. It can only be alpha-numeric, dashes, underscores, colons or periods.
 		// Note: These can be user-specified by setting the $this->product_name_rules variable.
 		if ( ! preg_match("/^[".$this->product_name_rules."]+$/i", $items['name']))
@@ -195,7 +195,7 @@ class CI_Cart {
 		$items['price'] = trim(preg_replace('/([^0-9\.])/i', '', $items['price']));
 		// Trim any leading zeros
 		$items['price'] = trim(preg_replace('/(^[0]+)/i', '', $items['price']));
-		
+
 		// Is the price a valid number?
 		if ( ! is_numeric($items['price']))
 		{
@@ -204,13 +204,13 @@ class CI_Cart {
 		}
 
 		// --------------------------------------------------------------------
-		
+
 		// We now need to create a unique identifier for the item being inserted into the cart.
-		// Every time something is added to the cart it is stored in the master cart array.  
-		// Each row in the cart array, however, must have a unique index that identifies not only 
-		// a particular product, but makes it possible to store identical products with different options.  
-		// For example, what if someone buys two identical t-shirts (same product ID), but in 
-		// different sizes?  The product ID (and other attributes, like the name) will be identical for 
+		// Every time something is added to the cart it is stored in the master cart array.
+		// Each row in the cart array, however, must have a unique index that identifies not only
+		// a particular product, but makes it possible to store identical products with different options.
+		// For example, what if someone buys two identical t-shirts (same product ID), but in
+		// different sizes?  The product ID (and other attributes, like the name) will be identical for
 		// both sizes because it's the same shirt. The only difference will be the size.
 		// Internally, we need to treat identical submissions, but with different options, as a unique product.
 		// Our solution is to convert the options array to a string and MD5 it along with the product ID.
@@ -225,19 +225,19 @@ class CI_Cart {
 			// Technically, we don't need to MD5 the ID in this case, but it makes
 			// sense to standardize the format of array indexes for both conditions
 			$rowid = md5($items['id']);
-		}		
+		}
 
 		// --------------------------------------------------------------------
 
 		// Now that we have our unique "row ID", we'll add our cart items to the master array
-		
+
 		// let's unset this first, just to make sure our index contains only the data from this submission
-		unset($this->_cart_contents[$rowid]);		
-		
+		unset($this->_cart_contents[$rowid]);
+
 		// Create a new index with our new row ID
 		$this->_cart_contents[$rowid]['rowid'] = $rowid;
-	
-		// And add the new items to the cart array			
+
+		// And add the new items to the cart array
 		foreach ($items as $key => $val)
 		{
 			$this->_cart_contents[$rowid][$key] = $val;
@@ -248,11 +248,11 @@ class CI_Cart {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Update the cart
 	 *
-	 * This function permits the quantity of a given item to be changed. 
+	 * This function permits the quantity of a given item to be changed.
 	 * Typically it is called from the "view cart" page if a user makes
 	 * changes to the quantity before checkout. That array must contain the
 	 * product ID and quantity for each item.
@@ -269,8 +269,8 @@ class CI_Cart {
 		{
 			return FALSE;
 		}
-			
-		// You can either update a single product using a one-dimensional array, 
+
+		// You can either update a single product using a one-dimensional array,
 		// or multiple products using a multi-dimensional one.  The way we
 		// determine the array type is by looking for a required array key named "id".
 		// If it's not found we assume it's a multi-dimensional array
@@ -292,7 +292,7 @@ class CI_Cart {
 					{
 						$save_cart = TRUE;
 					}
-				}			
+				}
 			}
 		}
 
@@ -307,11 +307,11 @@ class CI_Cart {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Update the cart
 	 *
-	 * This function permits the quantity of a given item to be changed. 
+	 * This function permits the quantity of a given item to be changed.
 	 * Typically it is called from the "view cart" page if a user makes
 	 * changes to the quantity before checkout. That array must contain the
 	 * product ID and quantity for each item.
@@ -319,7 +319,7 @@ class CI_Cart {
 	 * @access	private
 	 * @param	array
 	 * @return	bool
-	 */	
+	 */
 	function _update($items = array())
 	{
 		// Without these array indexes there is nothing we can do
@@ -327,7 +327,7 @@ class CI_Cart {
 		{
 			return FALSE;
 		}
-		
+
 		// Prep the quantity
 		$items['qty'] = preg_replace('/([^0-9])/i', '', $items['qty']);
 
@@ -336,7 +336,7 @@ class CI_Cart {
 		{
 			return FALSE;
 		}
-		
+
 		// Is the new quantity different than what is already saved in the cart?
 		// If it's the same there's nothing to do
 		if ($this->_cart_contents[$items['rowid']]['qty'] == $items['qty'])
@@ -348,18 +348,18 @@ class CI_Cart {
 		// If the quantity is greater than zero we are updating
 		if ($items['qty'] == 0)
 		{
-			unset($this->_cart_contents[$items['rowid']]);		
+			unset($this->_cart_contents[$items['rowid']]);
 		}
 		else
 		{
 			$this->_cart_contents[$items['rowid']]['qty'] = $items['qty'];
 		}
-		
+
 		return TRUE;
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Save the cart array to the session DB
 	 *
@@ -383,20 +383,20 @@ class CI_Cart {
 			}
 
 			$total += ($val['price'] * $val['qty']);
-			
+
 			// Set the subtotal
 			$this->_cart_contents[$key]['subtotal'] = ($this->_cart_contents[$key]['price'] * $this->_cart_contents[$key]['qty']);
 		}
 
 		// Set the cart total and total items.
-		$this->_cart_contents['total_items'] = count($this->_cart_contents);			
+		$this->_cart_contents['total_items'] = count($this->_cart_contents);
 		$this->_cart_contents['cart_total'] = $total;
-	
+
 		// Is our cart empty?  If so we delete it from the session
 		if (count($this->_cart_contents) <= 2)
 		{
 			$this->CI->session->unset_userdata('cart_contents');
-			
+
 			// Nothing more to do... coffee time!
 			return FALSE;
 		}
@@ -406,11 +406,11 @@ class CI_Cart {
 		$this->CI->session->set_userdata(array('cart_contents' => $this->_cart_contents));
 
 		// Woot!
-		return TRUE;	
+		return TRUE;
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Cart Total
 	 *
@@ -423,7 +423,7 @@ class CI_Cart {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Total Items
 	 *
@@ -438,7 +438,7 @@ class CI_Cart {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Cart Contents
 	 *
@@ -450,16 +450,16 @@ class CI_Cart {
 	function contents()
 	{
 		$cart = $this->_cart_contents;
-		
+
 		// Remove these so they don't create a problem when showing the cart table
 		unset($cart['total_items']);
 		unset($cart['cart_total']);
-	
+
 		return $cart;
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Has options
 	 *
@@ -475,12 +475,12 @@ class CI_Cart {
 		{
 			return FALSE;
 		}
-		
+
 		return TRUE;
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Product options
 	 *
@@ -500,7 +500,7 @@ class CI_Cart {
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Format Number
 	 *
@@ -515,15 +515,15 @@ class CI_Cart {
 		{
 			return '';
 		}
-	
+
 		// Remove anything that isn't a number or decimal point.
 		$n = trim(preg_replace('/([^0-9\.])/i', '', $n));
-	
+
 		return number_format($n, 2, '.', ',');
 	}
-		
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Destroy the cart
 	 *
@@ -535,9 +535,9 @@ class CI_Cart {
 	function destroy()
 	{
 		unset($this->_cart_contents);
-	
-		$this->_cart_contents['cart_total'] = 0;		
-		$this->_cart_contents['total_items'] = 0;		
+
+		$this->_cart_contents['cart_total'] = 0;
+		$this->_cart_contents['total_items'] = 0;
 
 		$this->CI->session->unset_userdata('cart_contents');
 	}