diff options
Diffstat (limited to 'system/codeigniter/Common.php')
| -rw-r--r-- | system/codeigniter/Common.php | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/system/codeigniter/Common.php b/system/codeigniter/Common.php new file mode 100644 index 000000000..2ec1c3d38 --- /dev/null +++ b/system/codeigniter/Common.php @@ -0,0 +1,238 @@ +<?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 |