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<?php

/**

* CodeIgniter

*

* An open source application development framework for PHP 5.2.4 or newer

*

* NOTICE OF LICENSE

*

* Licensed under the Open Software License version 3.0

*

* This source file is subject to the Open Software License (OSL 3.0) that is

* bundled with this package in the files license.txt / license.rst. It is

* also available through the world wide web at this URL:

* http://opensource.org/licenses/OSL-3.0

* If you did not receive a copy of the license and are unable to obtain it

* through the world wide web, please send an email to

* licensing@ellislab.com so we can send you a copy immediately.

*

* @package CodeIgniter

* @author EllisLab Dev Team

* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)

* @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)

* @link http://codeigniter.com

* @since Version 1.0

* @filesource

*/

defined('BASEPATH') OR exit('No direct script access allowed');

/**

* Exceptions Class

*

* @package CodeIgniter

* @subpackage Libraries

* @category Exceptions

* @author EllisLab Dev Team

* @link http://codeigniter.com/user_guide/libraries/exceptions.html

*/

class CI_Exceptions {

/**

* Nesting level of the output buffering mechanism

*

* @var int

*/

public $ob_level;

/**

* List of available error levels

*

* @var array

*/

public $levels = array(

E_ERROR => 'Error',

E_WARNING => 'Warning',

E_PARSE => 'Parsing Error',

E_NOTICE => 'Notice',

E_CORE_ERROR => 'Core Error',

E_CORE_WARNING => 'Core Warning',

E_COMPILE_ERROR => 'Compile Error',

E_COMPILE_WARNING => 'Compile Warning',

E_USER_ERROR => 'User Error',

E_USER_WARNING => 'User Warning',

E_USER_NOTICE => 'User Notice',

E_STRICT => 'Runtime Notice'

);

/**

* Class constructor

*

* @return void

*/

public function __construct()

{

$this->ob_level = ob_get_level();

// Note: Do not log messages from this constructor.

}

// --------------------------------------------------------------------

/**

* Exception Logger

*

* Logs PHP generated error messages

*

* @param int $severity Log level

* @param string $message Error message

* @param string $filepath File path

* @param int $line Line number

* @return void

*/

public function log_exception($severity, $message, $filepath, $line)

{

$severity = isset($this->levels[$severity]) ? $this->levels[$severity] : $severity;

log_message('error', 'Severity: '.$severity.' --> '.$message.' '.$filepath.' '.$line);

}

// --------------------------------------------------------------------

/**

* 404 Error Handler

*

* @uses CI_Exceptions::show_error()

*

* @param string $page Page URI

* @param bool $log_error Whether to log the error

* @return void

*/

public function show_404($page = '', $log_error = TRUE)

{

if (is_cli())

{

$heading = 'Not Found';

$message = 'The controller/method pair you requested was not found.';

}

else

{

$heading = '404 Page Not Found';

$message = 'The page you requested was not found.';

}

// By default we log this, but allow a dev to skip it

if ($log_error)

{

log_message('error', $heading.': '.$page);

}

echo $this->show_error($heading, $message, 'error_404', 404);

exit(4); // EXIT_UNKNOWN_FILE

}

// --------------------------------------------------------------------

/**

* General Error Page

*

* Takes an error message as input (either as a string or an array)

* and displays it using the specified template.

*

* @param string $heading Page heading

* @param string|string[] $message Error message

* @param string $template Template name

* @param int $status_code (default: 500)

*

* @return string Error page output

*/

public function show_error($heading, $message, $template = 'error_general', $status_code = 500)

{

$templates_path = config_item('error_views_path')

? config_item('error_views_path')

: VIEWPATH.'errors'.DIRECTORY_SEPARATOR;

if (is_cli())

{

$message = "\t".(is_array($message) ? implode("\n\t", $message) : $message);

$template = 'cli'.DIRECTORY_SEPARATOR.$template;

}

else

{

set_status_header($status_code);

$message = '<p>'.(is_array($message) ? implode('</p><p>', $message) : $message).'</p>';

$template = 'html'.DIRECTORY_SEPARATOR.$template;

}

if (ob_get_level() > $this->ob_level + 1)

{

ob_end_flush();

}

ob_start();

include($templates_path.$template.'.php');

$buffer = ob_get_contents();

ob_end_clean();

return $buffer;

}

// --------------------------------------------------------------------

/**

* Native PHP error handler

*

* @param int $severity Error level

* @param string $message Error message

* @param string $filepath File path

* @param int $line Line number

* @return string Error page output

*/

public function show_php_error($severity, $message, $filepath, $line)

{

$templates_path = config_item('error_views_path')

? config_item('error_views_path')

: VIEWPATH.'errors'.DIRECTORY_SEPARATOR;

$severity = isset($this->levels[$severity]) ? $this->levels[$severity] : $severity;

// For safety reasons we don't show the full file path in non-CLI requests

if ( ! is_cli())

{

$filepath = str_replace('\\', '/', $filepath);

if (FALSE !== strpos($filepath, '/'))

{

$x = explode('/', $filepath);

$filepath = $x[count($x)-2].'/'.end($x);

}

$template = 'html'.DIRECTORY_SEPARATOR.'error_php';

}

else

{

$template = 'cli'.DIRECTORY_SEPARATOR.'error_php';

}

if (ob_get_level() > $this->ob_level + 1)

{

ob_end_flush();

}

ob_start();

include($templates_path.$template.'.php');

$buffer = ob_get_contents();

ob_end_clean();

echo $buffer;

}

}

/* End of file Exceptions.php */

/* Location: ./system/core/Exceptions.php */