Merged tip.

1 files changed, 53 insertions, 46 deletions

diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
index 143faec15..b6f5e872c 100644
--- a/system/core/CodeIgniter.php
+++ b/system/core/CodeIgniter.php
@@ -1,4 +1,4 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -29,42 +29,42 @@
 
 /*
  * ------------------------------------------------------
- *  Define the CodeIgniter Version
+ * Define the CodeIgniter Version
  * ------------------------------------------------------
  */
-	define('CI_VERSION', '2.0.1');
+	define('CI_VERSION', '2.0.2');
 
 /*
  * ------------------------------------------------------
- *  Define the CodeIgniter Branch (Core = TRUE, Reactor = FALSE)
+ * Define the CodeIgniter Branch (Core = TRUE, Reactor = FALSE)
  * ------------------------------------------------------
  */
 	define('CI_CORE', FALSE);
 
 /*
  * ------------------------------------------------------
- *  Load the global functions
+ * Load the global functions
  * ------------------------------------------------------
  */
-	require(BASEPATH.'core/Common'.EXT);
+	require(BASEPATH.'core/Common.php');
 
 /*
  * ------------------------------------------------------
- *  Load the framework constants
+ * Load the framework constants
  * ------------------------------------------------------
  */
-	if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/constants'.EXT))
+	if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/constants.php'))
 	{
-		require(APPPATH.'config/'.ENVIRONMENT.'/constants'.EXT);
+		require(APPPATH.'config/'.ENVIRONMENT.'/constants.php');
 	}
 	else
 	{
-		require(APPPATH.'config/constants'.EXT);
+		require(APPPATH.'config/constants.php');
 	}
 
 /*
  * ------------------------------------------------------
- *  Define a custom error handler so we can log PHP errors
+ * Define a custom error handler so we can log PHP errors
  * ------------------------------------------------------
  */
 	set_error_handler('_exception_handler');
@@ -76,7 +76,7 @@
 
 /*
  * ------------------------------------------------------
- *  Set the subclass_prefix
+ * Set the subclass_prefix
  * ------------------------------------------------------
  *
  * Normally the "subclass_prefix" is set in the config file.
@@ -85,7 +85,7 @@
  * "libraries" folder. Since CI allows config items to be
  * overriden via data set in the main index. php file,
  * before proceeding we need to know if a subclass_prefix
- * override exists.  If so, we will set this value now,
+ * override exists. If so, we will set this value now,
  * before any classes are loaded
  * Note: Since the config file data is cached it doesn't
  * hurt to load it here.
@@ -97,7 +97,7 @@
 
 /*
  * ------------------------------------------------------
- *  Set a liberal script execution time limit
+ * Set a liberal script execution time limit
  * ------------------------------------------------------
  */
 	if (function_exists("set_time_limit") == TRUE AND @ini_get("safe_mode") == 0)
@@ -107,7 +107,7 @@
 
 /*
  * ------------------------------------------------------
- *  Start the timer... tick tock tick tock...
+ * Start the timer... tick tock tick tock...
  * ------------------------------------------------------
  */
 	$BM =& load_class('Benchmark', 'core');
@@ -116,21 +116,21 @@
 
 /*
  * ------------------------------------------------------
- *  Instantiate the hooks class
+ * Instantiate the hooks class
  * ------------------------------------------------------
  */
 	$EXT =& load_class('Hooks', 'core');
 
 /*
  * ------------------------------------------------------
- *  Is there a "pre_system" hook?
+ * Is there a "pre_system" hook?
  * ------------------------------------------------------
  */
 	$EXT->_call_hook('pre_system');
 
 /*
  * ------------------------------------------------------
- *  Instantiate the config class
+ * Instantiate the config class
  * ------------------------------------------------------
  */
 	$CFG =& load_class('Config', 'core');
@@ -143,7 +143,7 @@
 
 /*
  * ------------------------------------------------------
- *  Instantiate the UTF-8 class
+ * Instantiate the UTF-8 class
  * ------------------------------------------------------
  *
  * Note: Order here is rather important as the UTF-8
@@ -157,14 +157,14 @@
 
 /*
  * ------------------------------------------------------
- *  Instantiate the URI class
+ * Instantiate the URI class
  * ------------------------------------------------------
  */
 	$URI =& load_class('URI', 'core');
 
 /*
  * ------------------------------------------------------
- *  Instantiate the routing class and set the routing
+ * Instantiate the routing class and set the routing
  * ------------------------------------------------------
  */
 	$RTR =& load_class('Router', 'core');
@@ -178,14 +178,14 @@
 
 /*
  * ------------------------------------------------------
- *  Instantiate the output class
+ * Instantiate the output class
  * ------------------------------------------------------
  */
 	$OUT =& load_class('Output', 'core');
 
 /*
  * ------------------------------------------------------
- *	Is there a valid cache file?  If so, we're done...
+ *	Is there a valid cache file? If so, we're done...
  * ------------------------------------------------------
  */
 	if ($EXT->_call_hook('cache_override') === FALSE)
@@ -197,27 +197,34 @@
 	}
 
 /*
+ * -----------------------------------------------------
+ * Load the security class for xss and csrf support
+ * -----------------------------------------------------
+ */
+	$SEC =& load_class('Security', 'core');
+
+/*
  * ------------------------------------------------------
- *  Load the Input class and sanitize globals
+ * Load the Input class and sanitize globals
  * ------------------------------------------------------
  */
 	$IN	=& load_class('Input', 'core');
 
 /*
  * ------------------------------------------------------
- *  Load the Language class
+ * Load the Language class
  * ------------------------------------------------------
  */
 	$LANG =& load_class('Lang', 'core');
 
 /*
  * ------------------------------------------------------
- *  Load the app controller and local controller
+ * Load the app controller and local controller
  * ------------------------------------------------------
  *
  */
 	// Load the base controller class
-	require BASEPATH.'core/Controller'.EXT;
+	require BASEPATH.'core/Controller.php';
 
 	function &get_instance()
 	{
@@ -225,34 +232,34 @@
 	}
 
 
-	if (file_exists(APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller'.EXT))
+	if (file_exists(APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller.php'))
 	{
-		require APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller'.EXT;
+		require APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller.php';
 	}
 
 	// Load the local application controller
 	// Note: The Router class automatically validates the controller path using the router->_validate_request().
 	// If this include fails it means that the default controller in the Routes.php file is not resolving to something valid.
-	if ( ! file_exists(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().EXT))
+	if ( ! file_exists(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().'.php'))
 	{
 		show_error('Unable to load your default controller. Please make sure the controller specified in your Routes.php file is valid.');
 	}
 
-	include(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().EXT);
+	include(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().'.php');
 
 	// Set a mark point for benchmarking
 	$BM->mark('loading_time:_base_classes_end');
 
 /*
  * ------------------------------------------------------
- *  Security check
+ * Security check
  * ------------------------------------------------------
  *
- *  None of the functions in the app controller or the
- *  loader class can be called via the URI, nor can
- *  controller functions that begin with an underscore
+ * None of the functions in the app controller or the
+ * loader class can be called via the URI, nor can
+ * controller functions that begin with an underscore
  */
-	$class  = $RTR->fetch_class();
+	$class = $RTR->fetch_class();
 	$method = $RTR->fetch_method();
 
 	if ( ! class_exists($class)
@@ -265,14 +272,14 @@
 
 /*
  * ------------------------------------------------------
- *  Is there a "pre_controller" hook?
+ * Is there a "pre_controller" hook?
  * ------------------------------------------------------
  */
 	$EXT->_call_hook('pre_controller');
 
 /*
  * ------------------------------------------------------
- *  Instantiate the requested controller
+ * Instantiate the requested controller
  * ------------------------------------------------------
  */
 	// Mark a start point so we can benchmark the controller
@@ -282,14 +289,14 @@
 
 /*
  * ------------------------------------------------------
- *  Is there a "post_controller_constructor" hook?
+ * Is there a "post_controller_constructor" hook?
  * ------------------------------------------------------
  */
 	$EXT->_call_hook('post_controller_constructor');
 
 /*
  * ------------------------------------------------------
- *  Call the requested method
+ * Call the requested method
  * ------------------------------------------------------
  */
 	// Is there a "remap" function? If so, we call it instead
@@ -311,12 +318,12 @@
 				$method = (isset($x[1]) ? $x[1] : 'index');
 				if ( ! class_exists($class))
 				{
-					if ( ! file_exists(APPPATH.'controllers/'.$class.EXT))
+					if ( ! file_exists(APPPATH.'controllers/'.$class.'.php'))
 					{
 						show_404("{$class}/{$method}");
 					}
 
-					include_once(APPPATH.'controllers/'.$class.EXT);
+					include_once(APPPATH.'controllers/'.$class.'.php');
 					unset($CI);
 					$CI = new $class();
 				}
@@ -338,14 +345,14 @@
 
 /*
  * ------------------------------------------------------
- *  Is there a "post_controller" hook?
+ * Is there a "post_controller" hook?
  * ------------------------------------------------------
  */
 	$EXT->_call_hook('post_controller');
 
 /*
  * ------------------------------------------------------
- *  Send the final rendered output to the browser
+ * Send the final rendered output to the browser
  * ------------------------------------------------------
  */
 	if ($EXT->_call_hook('display_override') === FALSE)
@@ -355,14 +362,14 @@
 
 /*
  * ------------------------------------------------------
- *  Is there a "post_system" hook?
+ * Is there a "post_system" hook?
  * ------------------------------------------------------
  */
 	$EXT->_call_hook('post_system');
 
 /*
  * ------------------------------------------------------
- *  Close the DB connection if one exists
+ * Close the DB connection if one exists
  * ------------------------------------------------------
  */
 	if (class_exists('CI_DB') AND isset($CI->db))