Merge CodeIgniter 3 support

1 files changed, 179 insertions, 63 deletions

diff --git a/public_html/index.php b/public_html/index.php
index 37526d903..71f040ffb 100644
--- a/public_html/index.php
+++ b/public_html/index.php
@@ -1,4 +1,40 @@
 <?php
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP
+ *
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2017, British Columbia Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package	CodeIgniter
+ * @author	EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
+ * @copyright	Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license	http://opensource.org/licenses/MIT	MIT License
+ * @link	https://codeigniter.com
+ * @since	Version 1.0.0
+ * @filesource
+ */
 
 /*
  *---------------------------------------------------------------
@@ -16,7 +52,6 @@
  *     production
  *
  * NOTE: If you change these, also change the error_reporting() code below
- *
  */
 	define('ENVIRONMENT', 'development');
 /*
@@ -27,75 +62,98 @@
  * Different environments will require different levels of error reporting.
  * By default development will show errors but testing and live will hide them.
  */
-
-if (false && defined('ENVIRONMENT'))
+if (false) {
+switch (ENVIRONMENT)
 {
-	switch (ENVIRONMENT)
-	{
-		case 'development':
-			error_reporting(E_ALL);
-		break;
-	
-		case 'testing':
-		case 'production':
-			error_reporting(0);
-		break;
-
-		default:
-			exit('The application environment is not set correctly.');
-	}
+	case 'development':
+		error_reporting(-1);
+		ini_set('display_errors', 1);
+	break;
+
+	case 'testing':
+	case 'production':
+		ini_set('display_errors', 0);
+		if (version_compare(PHP_VERSION, '5.3', '>='))
+		{
+			error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT & ~E_USER_NOTICE & ~E_USER_DEPRECATED);
+		}
+		else
+		{
+			error_reporting(E_ALL & ~E_NOTICE & ~E_STRICT & ~E_USER_NOTICE);
+		}
+	break;
+
+	default:
+		header('HTTP/1.1 503 Service Unavailable.', TRUE, 503);
+		echo 'The application environment is not set correctly.';
+		exit(1); // EXIT_ERROR
+}
 }
 
 /*
  *---------------------------------------------------------------
- * SYSTEM FOLDER NAME
+ * SYSTEM DIRECTORY NAME
  *---------------------------------------------------------------
  *
- * This variable must contain the name of your "system" folder.
- * Include the path if the folder is not in the same  directory
- * as this file.
- *
+ * This variable must contain the name of your "system" directory.
+ * Set the path if it is not in the same directory as this file.
  */
 	$system_path = dirname(__FILE__).'/../system';
 
 /*
  *---------------------------------------------------------------
- * APPLICATION FOLDER NAME
+ * APPLICATION DIRECTORY NAME
  *---------------------------------------------------------------
  *
  * If you want this front controller to use a different "application"
- * folder then the default one you can set its name here. The folder
- * can also be renamed or relocated anywhere on your server.  If
- * you do, use a full server path. For more info please see the user guide:
- * http://codeigniter.com/user_guide/general/managing_apps.html
+ * directory than the default one you can set its name here. The directory
+ * can also be renamed or relocated anywhere on your server. If you do,
+ * use an absolute (full) server path.
+ * For more info please see the user guide:
  *
- * NO TRAILING SLASH!
+ * https://codeigniter.com/user_guide/general/managing_apps.html
  *
+ * NO TRAILING SLASH!
  */
 	$application_folder = dirname(__FILE__).'/../application';
 
 /*
+ *---------------------------------------------------------------
+ * VIEW DIRECTORY NAME
+ *---------------------------------------------------------------
+ *
+ * If you want to move the view directory out of the application
+ * directory, set the path to it here. The directory can be renamed
+ * and relocated anywhere on your server. If blank, it will default
+ * to the standard location inside your application directory.
+ * If you do move this, use an absolute (full) server path.
+ *
+ * NO TRAILING SLASH!
+ */
+	$view_folder = '';
+
+
+/*
  * --------------------------------------------------------------------
  * DEFAULT CONTROLLER
  * --------------------------------------------------------------------
  *
  * Normally you will set your default controller in the routes.php file.
  * You can, however, force a custom routing by hard-coding a
- * specific controller class/function here.  For most applications, you
+ * specific controller class/function here. For most applications, you
  * WILL NOT set your routing here, but it's an option for those
  * special instances where you might want to override the standard
  * routing in a specific front controller that shares a common CI installation.
  *
- * IMPORTANT:  If you set the routing here, NO OTHER controller will be
+ * IMPORTANT: If you set the routing here, NO OTHER controller will be
  * callable. In essence, this preference limits your application to ONE
- * specific controller.  Leave the function name blank if you need
+ * specific controller. Leave the function name blank if you need
  * to call functions dynamically via the URI.
  *
  * Un-comment the $routing array below to use this feature
- *
  */
-	// The directory name, relative to the "controllers" folder.  Leave blank
-	// if your controller is not in a sub-folder within the "controllers" folder
+	// The directory name, relative to the "controllers" directory.  Leave blank
+	// if your controller is not in a sub-directory within the "controllers" one
 	// $routing['directory'] = '';
 
 	// The controller class file name.  Example:  Mycontroller
@@ -118,7 +176,6 @@ if (false && defined('ENVIRONMENT'))
  * config values.
  *
  * Un-comment the $assign_to_config array below to use this feature
- *
  */
 	// $assign_to_config['name_of_config_item'] = 'value of config item';
 
@@ -140,18 +197,26 @@ if (false && defined('ENVIRONMENT'))
 		chdir(dirname(__FILE__).'/..');
 	}
 
-	if (realpath($system_path) !== FALSE)
+	if (($_temp = realpath($system_path)) !== FALSE)
 	{
-		$system_path = realpath($system_path).'/';
+		$system_path = $_temp.DIRECTORY_SEPARATOR;
+	}
+	else
+	{
+		// Ensure there's a trailing slash
+		$system_path = strtr(
+			rtrim($system_path, '/\\'),
+			'/\\',
+			DIRECTORY_SEPARATOR.DIRECTORY_SEPARATOR
+		).DIRECTORY_SEPARATOR;
 	}
-
-	// ensure there's a trailing slash
-	$system_path = rtrim($system_path, '/').'/';
 
 	// Is the system path correct?
 	if ( ! is_dir($system_path))
 	{
-		exit("Your system folder path does not appear to be set correctly. Please open the following file and correct this: ".pathinfo(__FILE__, PATHINFO_BASENAME));
+		header('HTTP/1.1 503 Service Unavailable.', TRUE, 503);
+		echo 'Your system folder path does not appear to be set correctly. Please open the following file and correct this: '.pathinfo(__FILE__, PATHINFO_BASENAME);
+		exit(3); // EXIT_CONFIG
 	}
 
 /*
@@ -162,34 +227,84 @@ if (false && defined('ENVIRONMENT'))
 	// The name of THIS file
 	define('SELF', pathinfo(__FILE__, PATHINFO_BASENAME));
 
-	// The PHP file extension
-	// this global constant is deprecated.
-	define('EXT', '.php');
-
-	// Path to the system folder
-	define('BASEPATH', str_replace("\\", "/", $system_path));
+	// Path to the system directory
+	define('BASEPATH', $system_path);
 
-	// Path to the front controller (this file)
-	define('FCPATH', str_replace(SELF, '', __FILE__).'/../');
+	// Path to the front controller (this file) directory
+	define('FCPATH', dirname(__FILE__).DIRECTORY_SEPARATOR."..".DIRECTORY_SEPARATOR);
 
-	// Name of the "system folder"
-	define('SYSDIR', trim(strrchr(trim(BASEPATH, '/'), '/'), '/'));
+	// Name of the "system" directory
+	define('SYSDIR', basename(BASEPATH));
 
-
-	// The path to the "application" folder
+	// The path to the "application" directory
 	if (is_dir($application_folder))
 	{
-		define('APPPATH', $application_folder.'/');
+		if (($_temp = realpath($application_folder)) !== FALSE)
+		{
+			$application_folder = $_temp;
+		}
+		else
+		{
+			$application_folder = strtr(
+				rtrim($application_folder, '/\\'),
+				'/\\',
+				DIRECTORY_SEPARATOR.DIRECTORY_SEPARATOR
+			);
+		}
+	}
+	elseif (is_dir(BASEPATH.$application_folder.DIRECTORY_SEPARATOR))
+	{
+		$application_folder = BASEPATH.strtr(
+			trim($application_folder, '/\\'),
+			'/\\',
+			DIRECTORY_SEPARATOR.DIRECTORY_SEPARATOR
+		);
 	}
 	else
 	{
-		if ( ! is_dir(BASEPATH.$application_folder.'/'))
+		header('HTTP/1.1 503 Service Unavailable.', TRUE, 503);
+		echo 'Your application folder path does not appear to be set correctly. Please open the following file and correct this: '.SELF;
+		exit(3); // EXIT_CONFIG
+	}
+
+	define('APPPATH', $application_folder.DIRECTORY_SEPARATOR);
+
+	// The path to the "views" directory
+	if ( ! isset($view_folder[0]) && is_dir(APPPATH.'views'.DIRECTORY_SEPARATOR))
+	{
+		$view_folder = APPPATH.'views';
+	}
+	elseif (is_dir($view_folder))
+	{
+		if (($_temp = realpath($view_folder)) !== FALSE)
 		{
-			exit("Your application folder path does not appear to be set correctly. Please open the following file and correct this: ".SELF);
+			$view_folder = $_temp;
 		}
-
-		define('APPPATH', BASEPATH.$application_folder.'/');
+		else
+		{
+			$view_folder = strtr(
+				rtrim($view_folder, '/\\'),
+				'/\\',
+				DIRECTORY_SEPARATOR.DIRECTORY_SEPARATOR
+			);
+		}
+	}
+	elseif (is_dir(APPPATH.$view_folder.DIRECTORY_SEPARATOR))
+	{
+		$view_folder = APPPATH.strtr(
+			trim($view_folder, '/\\'),
+			'/\\',
+			DIRECTORY_SEPARATOR.DIRECTORY_SEPARATOR
+		);
 	}
+	else
+	{
+		header('HTTP/1.1 503 Service Unavailable.', TRUE, 503);
+		echo 'Your view folder path does not appear to be set correctly. Please open the following file and correct this: '.SELF;
+		exit(3); // EXIT_CONFIG
+	}
+
+	define('VIEWPATH', $view_folder.DIRECTORY_SEPARATOR);
 
 	if (getenv("HOME") == "") {
 		putenv('HOME='.FCPATH);
@@ -202,11 +317,15 @@ if (false && defined('ENVIRONMENT'))
 require APPPATH.'libraries/ExceptionHandler.php';
 \libraries\ExceptionHandler::setup();
 
-// wrapper for CI so that it calls our handler rather than it's own
-function _exception_handler($severity, $message, $filepath, $line) {
+// wrapper for CI so that it calls our handlers rather than it's own
+function _error_handler($severity, $message, $filepath, $line) {
 	return \libraries\ExceptionHandler::error_handler($severity, $message, $filepath, $line);
 }
 
+function _exception_handler($ex) {
+	return \libraries\ExceptionHandler::exception_handler($ex);
+}
+
 // Source: http://stackoverflow.com/a/15875555
 function guidv4()
 {
@@ -225,7 +344,6 @@ function guidv4()
  * --------------------------------------------------------------------
  *
  * And away we go...
- *
  */
 
 $testname = null;
@@ -269,5 +387,3 @@ try {
 	}
 }
 
-/* End of file index.php */
-/* Location: ./index.php */