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2005 Aurelien 1 
<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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/**
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 * CodeIgniter
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 *
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 * An open source application development framework for PHP 4.3.2 or newer
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 *
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 * @package		CodeIgniter
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 * @author		ExpressionEngine Dev Team
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 * @copyright	Copyright (c) 2008, EllisLab, Inc.
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 * @license		http://codeigniter.com/user_guide/license.html
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 * @link		http://codeigniter.com
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 * @since		Version 1.0
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 * @filesource
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 */
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// ------------------------------------------------------------------------
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/**
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 * Exceptions Class
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 *
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 * @package		CodeIgniter
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 * @subpackage	Libraries
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 * @category	Exceptions
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 * @author		ExpressionEngine Dev Team
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 * @link		http://codeigniter.com/user_guide/libraries/exceptions.html
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 */
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class CI_Exceptions {
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	var $action;
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	var $severity;
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	var $message;
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	var $filename;
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	var $line;
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	var $ob_level;
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	var $levels = array(
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						E_ERROR				=>	'Error',
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						E_WARNING			=>	'Warning',
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						E_PARSE				=>	'Parsing Error',
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						E_NOTICE			=>	'Notice',
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						E_CORE_ERROR		=>	'Core Error',
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						E_CORE_WARNING		=>	'Core Warning',
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						E_COMPILE_ERROR		=>	'Compile Error',
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						E_COMPILE_WARNING	=>	'Compile Warning',
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						E_USER_ERROR		=>	'User Error',
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						E_USER_WARNING		=>	'User Warning',
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						E_USER_NOTICE		=>	'User Notice',
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						E_STRICT			=>	'Runtime Notice'
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					);
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	/**
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	 * Constructor
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	 *
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	 */
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	function CI_Exceptions()
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	{
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		$this->ob_level = ob_get_level();
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		// Note:  Do not log messages from this constructor.
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	}
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	// --------------------------------------------------------------------
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	/**
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	 * Exception Logger
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	 *
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	 * This function logs PHP generated error messages
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	 *
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	 * @access	private
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	 * @param	string	the error severity
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	 * @param	string	the error string
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	 * @param	string	the error filepath
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	 * @param	string	the error line number
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	 * @return	string
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	 */
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	function log_exception($severity, $message, $filepath, $line)
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	{
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		$severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity];
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		log_message('error', 'Severity: '.$severity.'  --> '.$message. ' '.$filepath.' '.$line, TRUE);
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	}
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	// --------------------------------------------------------------------
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	/**
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	 * 404 Page Not Found Handler
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	 *
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	 * @access	private
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	 * @param	string
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	 * @return	string
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	 */
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	function show_404($page = '')
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	{
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		$heading = "404 Page Not Found";
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		$message = "The page you requested was not found.";
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		log_message('error', '404 Page Not Found --> '.$page);
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		echo $this->show_error($heading, $message, 'error_404');
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		exit;
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	}
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	// --------------------------------------------------------------------
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	/**
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	 * General Error Page
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	 *
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	 * This function takes an error message as input
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	 * (either as a string or an array) and displays
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	 * it using the specified template.
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	 *
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	 * @access	private
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	 * @param	string	the heading
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	 * @param	string	the message
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	 * @param	string	the template name
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	 * @return	string
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	 */
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	function show_error($heading, $message, $template = 'error_general')
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	{
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		$message = '<p>'.implode('</p><p>', ( ! is_array($message)) ? array($message) : $message).'</p>';
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		if (ob_get_level() > $this->ob_level + 1)
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		{
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			ob_end_flush();
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		}
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		ob_start();
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		include(APPPATH.'errors/'.$template.EXT);
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		$buffer = ob_get_contents();
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		ob_end_clean();
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		return $buffer;
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	}
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	// --------------------------------------------------------------------
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	/**
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	 * Native PHP error handler
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	 *
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	 * @access	private
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	 * @param	string	the error severity
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	 * @param	string	the error string
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	 * @param	string	the error filepath
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	 * @param	string	the error line number
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	 * @return	string
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	 */
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	function show_php_error($severity, $message, $filepath, $line)
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	{
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		$severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity];
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		$filepath = str_replace("\\", "/", $filepath);
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		// For safety reasons we do not show the full file path
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		if (FALSE !== strpos($filepath, '/'))
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		{
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			$x = explode('/', $filepath);
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			$filepath = $x[count($x)-2].'/'.end($x);
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		}
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		if (ob_get_level() > $this->ob_level + 1)
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		{
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			ob_end_flush();
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		}
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		ob_start();
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		include(APPPATH.'errors/error_php'.EXT);
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		$buffer = ob_get_contents();
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		ob_end_clean();
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		echo $buffer;
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	}
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}
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// END Exceptions Class
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/* End of file Exceptions.php */
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/* Location: ./system/libraries/Exceptions.php */