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authoradmin <devnull@localhost>2006-08-25 19:25:49 +0200
committeradmin <devnull@localhost>2006-08-25 19:25:49 +0200
commitb0dd10f8171945e0c1f3527dd1e9d18b043e01a7 (patch)
treec3583ba09e72217683c4304f4690df6ce39ba731 /system/codeigniter/Common.php
Initial Import
Diffstat (limited to 'system/codeigniter/Common.php')
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diff --git a/system/codeigniter/Common.php b/system/codeigniter/Common.php
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+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.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 Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+* Class registry
+*
+*
+* @access public
+* @return object
+*/
+function &_load_class($class, $instantiate = TRUE)
+{
+ static $objects;
+
+ if ( ! isset($objects[$class]))
+ {
+ if (FALSE !== strpos($class, 'CI_'))
+ {
+ if (file_exists(APPPATH.'libraries/'.str_replace('CI_', '', $class).EXT))
+ {
+ require(APPPATH.'libraries/'.str_replace('CI_', '', $class).EXT);
+ }
+ else
+ {
+ require(BASEPATH.'libraries/'.str_replace('CI_', '', $class).EXT);
+ }
+ }
+
+ if ($instantiate == TRUE)
+ {
+ if ($class == 'CI_Controller')
+ $class = 'Controller';
+
+ $objects[$class] =& new $class();
+ }
+ else
+ {
+ $objects[$class] = TRUE;
+ }
+ }
+
+
+ return $objects[$class];
+}
+
+/**
+* Loads the main config.php file
+*
+*
+* @access private
+* @return array
+*/
+function &_get_config()
+{
+ static $conf;
+
+ if ( ! isset($conf))
+ {
+ require(APPPATH.'config/config'.EXT);
+
+ if ( ! isset($config) OR ! is_array($config))
+ {
+ show_error('Your config file does not appear to be formatted correctly.');
+ }
+
+ $conf[0] =& $config;
+ }
+ return $conf[0];
+}
+
+
+/**
+* Error Handler
+*
+* This function lets us invoke the exception class and
+* display errors using the standard error template located
+* in application/errors/errors.php
+* This function will send the error page directly to the
+* browser and exit.
+*
+* @access public
+* @return void
+*/
+function show_error($message)
+{
+ if ( ! class_exists('CI_Exceptions'))
+ {
+ include_once(BASEPATH.'libraries/Exceptions.php');
+ }
+
+ $error = new CI_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 = '')
+{
+ if ( ! class_exists('CI_Exceptions'))
+ {
+ include_once(BASEPATH.'libraries/Exceptions.php');
+ }
+
+ $error = new CI_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 = 2, $message, $php_error = FALSE)
+{
+ $config =& _get_config();
+ if ($config['log_errors'] === FALSE)
+ {
+ return;
+ }
+
+ if ( ! class_exists('CI_Log'))
+ {
+ include_once(BASEPATH.'libraries/Log.php');
+ }
+
+ if ( ! isset($LOG))
+ {
+ $LOG = new CI_Log(
+ $config['log_path'],
+ $config['log_threshold'],
+ $config['log_date_format']
+ );
+ }
+
+ $LOG->write_log($level, $message, $php_error);
+}
+
+
+/**
+* Exception Handler
+*
+* This is the custom exception handler we defined at the
+* top of this file. The main reason we use this is permit
+* PHP errors to be logged in our own log files since we may
+* not have access to server logs. Since this function
+* effectively intercepts PHP errors, however, we also need
+* to display errors based on the current error_reporting level.
+* We do that with the use of a PHP error template.
+*
+* @access private
+* @return void
+*/
+function _exception_handler($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;
+ }
+
+ // Send the PHP error to the log file...
+ if ( ! class_exists('CI_Exceptions'))
+ {
+ include_once(BASEPATH.'libraries/Exceptions.php');
+ }
+ $error = new CI_Exceptions();
+
+ // Should we display the error?
+ // We'll get the current error_reporting level and add its bits
+ // with the severity bits to find out.
+
+ if (($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_errors'] === FALSE)
+ {
+ return;
+ }
+
+ $error->log_exception($severity, $message, $filepath, $line);
+}
+
+
+?> \ No newline at end of file