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-rw-r--r--system/codeigniter/Common.php612
1 files changed, 306 insertions, 306 deletions
diff --git a/system/codeigniter/Common.php b/system/codeigniter/Common.php
index 9212f07a1..3c75f5e6c 100644
--- a/system/codeigniter/Common.php
+++ b/system/codeigniter/Common.php
@@ -1,307 +1,307 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
-/**
- * CodeIgniter
- *
- * An open source application development framework for PHP 4.3.2 or newer
- *
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * Common Functions
- *
- * Loads the base classes and executes the request.
- *
- * @package CodeIgniter
- * @subpackage codeigniter
- * @category Common Functions
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * Tests for file writability
- *
- * is_writable() returns TRUE on Windows servers when you really can't write to
- * the file, based on the read-only attribute. is_writable() is also unreliable
- * on Unix servers if safe_mode is on.
- *
- * @access private
- * @return void
- */
-function is_really_writable($file)
-{
- // If we're on a Unix server with safe_mode off we call is_writable
- if (DIRECTORY_SEPARATOR == '/' AND @ini_get("safe_mode") == FALSE)
- {
- return is_writable($file);
- }
-
- // For windows servers and safe_mode "on" installations we'll actually
- // write a file then read it. Bah...
- if (is_dir($file))
- {
- $file = rtrim($file, '/').'/'.md5(rand(1,100));
-
- if (($fp = @fopen($file, FOPEN_WRITE_CREATE)) === FALSE)
- {
- return FALSE;
- }
-
- fclose($fp);
- @chmod($file, DIR_WRITE_MODE);
- @unlink($file);
- return TRUE;
- }
- elseif (($fp = @fopen($file, FOPEN_WRITE_CREATE)) === FALSE)
- {
- return FALSE;
- }
-
- fclose($fp);
- return TRUE;
-}
-
-// ------------------------------------------------------------------------
-
-/**
-* Class registry
-*
-* This function acts as a singleton. If the requested class does not
-* exist it is instantiated and set to a static variable. If it has
-* previously been instantiated the variable is returned.
-*
-* @access public
-* @param string the class name being requested
-* @param bool optional flag that lets classes get loaded but not instantiated
-* @return object
-*/
-function &load_class($class, $instantiate = TRUE)
-{
- static $objects = array();
-
- // Does the class exist? If so, we're done...
- if (isset($objects[$class]))
- {
- return $objects[$class];
- }
-
- // If the requested class does not exist in the application/libraries
- // folder we'll load the native class from the system/libraries folder.
- if (file_exists(APPPATH.'libraries/'.config_item('subclass_prefix').$class.EXT))
- {
- require(BASEPATH.'libraries/'.$class.EXT);
- require(APPPATH.'libraries/'.config_item('subclass_prefix').$class.EXT);
- $is_subclass = TRUE;
- }
- else
- {
- if (file_exists(APPPATH.'libraries/'.$class.EXT))
- {
- require(APPPATH.'libraries/'.$class.EXT);
- $is_subclass = FALSE;
- }
- else
- {
- require(BASEPATH.'libraries/'.$class.EXT);
- $is_subclass = FALSE;
- }
- }
-
- if ($instantiate == FALSE)
- {
- $objects[$class] = TRUE;
- return $objects[$class];
- }
-
- if ($is_subclass == TRUE)
- {
- $name = config_item('subclass_prefix').$class;
- $objects[$class] =& new $name();
- return $objects[$class];
- }
-
- $name = ($class != 'Controller') ? 'CI_'.$class : $class;
-
- $objects[$class] =& new $name();
- return $objects[$class];
-}
-
-/**
-* Loads the main config.php file
-*
-* @access private
-* @return array
-*/
-function &get_config()
-{
- static $main_conf;
-
- if ( ! isset($main_conf))
- {
- if ( ! file_exists(APPPATH.'config/config'.EXT))
- {
- exit('The configuration file config'.EXT.' does not exist.');
- }
-
- require(APPPATH.'config/config'.EXT);
-
- if ( ! isset($config) OR ! is_array($config))
- {
- exit('Your config file does not appear to be formatted correctly.');
- }
-
- $main_conf[0] =& $config;
- }
- return $main_conf[0];
-}
-
-/**
-* Gets a config item
-*
-* @access public
-* @return mixed
-*/
-function config_item($item)
-{
- static $config_item = array();
-
- if ( ! isset($config_item[$item]))
- {
- $config =& get_config();
-
- if ( ! isset($config[$item]))
- {
- return FALSE;
- }
- $config_item[$item] = $config[$item];
- }
-
- return $config_item[$item];
-}
-
-
-/**
-* Error Handler
-*
-* This function lets us invoke the exception class and
-* display errors using the standard error template located
-* in application/errors/errors.php
-* This function will send the error page directly to the
-* browser and exit.
-*
-* @access public
-* @return void
-*/
-function show_error($message)
-{
- $error =& load_class('Exceptions');
- echo $error->show_error('An Error Was Encountered', $message);
- exit;
-}
-
-
-/**
-* 404 Page Handler
-*
-* This function is similar to the show_error() function above
-* However, instead of the standard error template it displays
-* 404 errors.
-*
-* @access public
-* @return void
-*/
-function show_404($page = '')
-{
- $error =& load_class('Exceptions');
- $error->show_404($page);
- exit;
-}
-
-
-/**
-* Error Logging Interface
-*
-* We use this as a simple mechanism to access the logging
-* class and send messages to be logged.
-*
-* @access public
-* @return void
-*/
-function log_message($level = 'error', $message, $php_error = FALSE)
-{
- static $LOG;
-
- $config =& get_config();
- if ($config['log_threshold'] == 0)
- {
- return;
- }
-
- $LOG =& load_class('Log');
- $LOG->write_log($level, $message, $php_error);
-}
-
-/**
-* Exception Handler
-*
-* This is the custom exception handler that is declaired at the top
-* of Codeigniter.php. The main reason we use this is permit
-* PHP errors to be logged in our own log files since we may
-* not have access to server logs. Since this function
-* effectively intercepts PHP errors, however, we also need
-* to display errors based on the current error_reporting level.
-* We do that with the use of a PHP error template.
-*
-* @access private
-* @return void
-*/
-function _exception_handler($severity, $message, $filepath, $line)
-{
- // We don't bother with "strict" notices since they will fill up
- // the log file with information that isn't normally very
- // helpful. For example, if you are running PHP 5 and you
- // use version 4 style class functions (without prefixes
- // like "public", "private", etc.) you'll get notices telling
- // you that these have been deprecated.
-
- if ($severity == E_STRICT)
- {
- return;
- }
-
- $error =& load_class('Exceptions');
-
- // Should we display the error?
- // We'll get the current error_reporting level and add its bits
- // with the severity bits to find out.
-
- if (($severity & error_reporting()) == $severity)
- {
- $error->show_php_error($severity, $message, $filepath, $line);
- }
-
- // Should we log the error? No? We're done...
- $config =& get_config();
- if ($config['log_threshold'] == 0)
- {
- return;
- }
-
- $error->log_exception($severity, $message, $filepath, $line);
-}
-
-
-
-/* End of file Common.php */
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author ExpressionEngine Dev Team
+ * @copyright Copyright (c) 2008, EllisLab, Inc.
+ * @license http://codeigniter.com/user_guide/license.html
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Common Functions
+ *
+ * Loads the base classes and executes the request.
+ *
+ * @package CodeIgniter
+ * @subpackage codeigniter
+ * @category Common Functions
+ * @author ExpressionEngine Dev Team
+ * @link http://codeigniter.com/user_guide/
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Tests for file writability
+ *
+ * is_writable() returns TRUE on Windows servers when you really can't write to
+ * the file, based on the read-only attribute. is_writable() is also unreliable
+ * on Unix servers if safe_mode is on.
+ *
+ * @access private
+ * @return void
+ */
+function is_really_writable($file)
+{
+ // If we're on a Unix server with safe_mode off we call is_writable
+ if (DIRECTORY_SEPARATOR == '/' AND @ini_get("safe_mode") == FALSE)
+ {
+ return is_writable($file);
+ }
+
+ // For windows servers and safe_mode "on" installations we'll actually
+ // write a file then read it. Bah...
+ if (is_dir($file))
+ {
+ $file = rtrim($file, '/').'/'.md5(rand(1,100));
+
+ if (($fp = @fopen($file, FOPEN_WRITE_CREATE)) === FALSE)
+ {
+ return FALSE;
+ }
+
+ fclose($fp);
+ @chmod($file, DIR_WRITE_MODE);
+ @unlink($file);
+ return TRUE;
+ }
+ elseif (($fp = @fopen($file, FOPEN_WRITE_CREATE)) === FALSE)
+ {
+ return FALSE;
+ }
+
+ fclose($fp);
+ return TRUE;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+* Class registry
+*
+* This function acts as a singleton. If the requested class does not
+* exist it is instantiated and set to a static variable. If it has
+* previously been instantiated the variable is returned.
+*
+* @access public
+* @param string the class name being requested
+* @param bool optional flag that lets classes get loaded but not instantiated
+* @return object
+*/
+function &load_class($class, $instantiate = TRUE)
+{
+ static $objects = array();
+
+ // Does the class exist? If so, we're done...
+ if (isset($objects[$class]))
+ {
+ return $objects[$class];
+ }
+
+ // If the requested class does not exist in the application/libraries
+ // folder we'll load the native class from the system/libraries folder.
+ if (file_exists(APPPATH.'libraries/'.config_item('subclass_prefix').$class.EXT))
+ {
+ require(BASEPATH.'libraries/'.$class.EXT);
+ require(APPPATH.'libraries/'.config_item('subclass_prefix').$class.EXT);
+ $is_subclass = TRUE;
+ }
+ else
+ {
+ if (file_exists(APPPATH.'libraries/'.$class.EXT))
+ {
+ require(APPPATH.'libraries/'.$class.EXT);
+ $is_subclass = FALSE;
+ }
+ else
+ {
+ require(BASEPATH.'libraries/'.$class.EXT);
+ $is_subclass = FALSE;
+ }
+ }
+
+ if ($instantiate == FALSE)
+ {
+ $objects[$class] = TRUE;
+ return $objects[$class];
+ }
+
+ if ($is_subclass == TRUE)
+ {
+ $name = config_item('subclass_prefix').$class;
+ $objects[$class] =& new $name();
+ return $objects[$class];
+ }
+
+ $name = ($class != 'Controller') ? 'CI_'.$class : $class;
+
+ $objects[$class] =& new $name();
+ return $objects[$class];
+}
+
+/**
+* Loads the main config.php file
+*
+* @access private
+* @return array
+*/
+function &get_config()
+{
+ static $main_conf;
+
+ if ( ! isset($main_conf))
+ {
+ if ( ! file_exists(APPPATH.'config/config'.EXT))
+ {
+ exit('The configuration file config'.EXT.' does not exist.');
+ }
+
+ require(APPPATH.'config/config'.EXT);
+
+ if ( ! isset($config) OR ! is_array($config))
+ {
+ exit('Your config file does not appear to be formatted correctly.');
+ }
+
+ $main_conf[0] =& $config;
+ }
+ return $main_conf[0];
+}
+
+/**
+* Gets a config item
+*
+* @access public
+* @return mixed
+*/
+function config_item($item)
+{
+ static $config_item = array();
+
+ if ( ! isset($config_item[$item]))
+ {
+ $config =& get_config();
+
+ if ( ! isset($config[$item]))
+ {
+ return FALSE;
+ }
+ $config_item[$item] = $config[$item];
+ }
+
+ return $config_item[$item];
+}
+
+
+/**
+* Error Handler
+*
+* This function lets us invoke the exception class and
+* display errors using the standard error template located
+* in application/errors/errors.php
+* This function will send the error page directly to the
+* browser and exit.
+*
+* @access public
+* @return void
+*/
+function show_error($message)
+{
+ $error =& load_class('Exceptions');
+ echo $error->show_error('An Error Was Encountered', $message);
+ exit;
+}
+
+
+/**
+* 404 Page Handler
+*
+* This function is similar to the show_error() function above
+* However, instead of the standard error template it displays
+* 404 errors.
+*
+* @access public
+* @return void
+*/
+function show_404($page = '')
+{
+ $error =& load_class('Exceptions');
+ $error->show_404($page);
+ exit;
+}
+
+
+/**
+* Error Logging Interface
+*
+* We use this as a simple mechanism to access the logging
+* class and send messages to be logged.
+*
+* @access public
+* @return void
+*/
+function log_message($level = 'error', $message, $php_error = FALSE)
+{
+ static $LOG;
+
+ $config =& get_config();
+ if ($config['log_threshold'] == 0)
+ {
+ return;
+ }
+
+ $LOG =& load_class('Log');
+ $LOG->write_log($level, $message, $php_error);
+}
+
+/**
+* Exception Handler
+*
+* This is the custom exception handler that is declaired at the top
+* of Codeigniter.php. The main reason we use this is permit
+* PHP errors to be logged in our own log files since we may
+* not have access to server logs. Since this function
+* effectively intercepts PHP errors, however, we also need
+* to display errors based on the current error_reporting level.
+* We do that with the use of a PHP error template.
+*
+* @access private
+* @return void
+*/
+function _exception_handler($severity, $message, $filepath, $line)
+{
+ // We don't bother with "strict" notices since they will fill up
+ // the log file with information that isn't normally very
+ // helpful. For example, if you are running PHP 5 and you
+ // use version 4 style class functions (without prefixes
+ // like "public", "private", etc.) you'll get notices telling
+ // you that these have been deprecated.
+
+ if ($severity == E_STRICT)
+ {
+ return;
+ }
+
+ $error =& load_class('Exceptions');
+
+ // Should we display the error?
+ // We'll get the current error_reporting level and add its bits
+ // with the severity bits to find out.
+
+ if (($severity & error_reporting()) == $severity)
+ {
+ $error->show_php_error($severity, $message, $filepath, $line);
+ }
+
+ // Should we log the error? No? We're done...
+ $config =& get_config();
+ if ($config['log_threshold'] == 0)
+ {
+ return;
+ }
+
+ $error->log_exception($severity, $message, $filepath, $line);
+}
+
+
+
+/* End of file Common.php */
/* Location: ./system/codeigniter/Common.php */ \ No newline at end of file