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<?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) 2006, EllisLab, Inc.
* @license http://www.codeigniter.com/user_guide/license.html
* @link http://www.codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Logging Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Logging
* @author ExpressionEngine Dev Team
* @link http://www.codeigniter.com/user_guide/general/errors.html
*/
class CI_Log {
var $log_path;
var $_threshold = 1;
var $_date_fmt = 'Y-m-d H:i:s';
var $_enabled = TRUE;
var $_levels = array('ERROR' => '1', 'DEBUG' => '2', 'INFO' => '3', 'ALL' => '4');
/**
* Constructor
*
* @access public
* @param string the log file path
* @param string the error threshold
* @param string the date formatting codes
*/
function CI_Log()
{
$config =& get_config();
$this->log_path = ($config['log_path'] != '') ? $config['log_path'] : BASEPATH.'logs/';
if ( ! is_dir($this->log_path) OR ! is_writable($this->log_path))
{
$this->_enabled = FALSE;
}
if (is_numeric($config['log_threshold']))
{
$this->_threshold = $config['log_threshold'];
}
if ($config['log_date_format'] != '')
{
$this->_date_fmt = $config['log_date_format'];
}
}
// --------------------------------------------------------------------
/**
* Write Log File
*
* Generally this function will be called using the global log_message() function
*
* @access public
* @param string the error level
* @param string the error message
* @param bool whether the error is a native PHP error
* @return bool
*/
function write_log($level = 'error', $msg, $php_error = FALSE)
{
if ($this->_enabled === FALSE)
{
return FALSE;
}
$level = strtoupper($level);
if ( ! isset($this->_levels[$level]) OR ($this->_levels[$level] > $this->_threshold))
{
return FALSE;
}
$filepath = $this->log_path.'log-'.date('Y-m-d').EXT;
$message = '';
if ( ! file_exists($filepath))
{
$message .= "<"."?php if (!defined('BASEPATH')) exit('No direct script access allowed'); ?".">\n\n";
}
if ( ! $fp = @fopen($filepath, "a"))
{
return FALSE;
}
$message .= $level.' '.(($level == 'INFO') ? ' -' : '-').' '.date($this->_date_fmt). ' --> '.$msg."\n";
flock($fp, LOCK_EX);
fwrite($fp, $message);
flock($fp, LOCK_UN);
fclose($fp);
@chmod($filepath, 0666);
return TRUE;
}
}
// END Log Class
?>
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