114 行
无行尾
2.6 KiB
PHP
114 行
无行尾
2.6 KiB
PHP
<?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 5.1.6 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 - 2011, 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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* Logging Class
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*
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* @package CodeIgniter
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* @subpackage Libraries
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* @category Logging
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* @author ExpressionEngine Dev Team
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* @link http://codeigniter.com/user_guide/general/errors.html
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*/
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class CI_Log {
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protected $_log_path;
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protected $_threshold = 1;
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protected $_date_fmt = 'Y-m-d H:i:s';
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protected $_enabled = TRUE;
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protected $_levels = array('ERROR' => '1', 'DEBUG' => '2', 'INFO' => '3', 'ALL' => '4');
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/**
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* Constructor
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*/
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public function __construct()
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{
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$config =& get_config();
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$this->_log_path = ($config['log_path'] != '') ? $config['log_path'] : APPPATH.'logs/';
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if ( ! is_dir($this->_log_path) OR ! is_really_writable($this->_log_path))
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{
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$this->_enabled = FALSE;
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}
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if (is_numeric($config['log_threshold']))
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{
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$this->_threshold = $config['log_threshold'];
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}
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if ($config['log_date_format'] != '')
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{
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$this->_date_fmt = $config['log_date_format'];
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}
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}
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// --------------------------------------------------------------------
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/**
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* Write Log File
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*
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* Generally this function will be called using the global log_message() function
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*
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* @param string the error level
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* @param string the error message
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* @param bool whether the error is a native PHP error
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* @return bool
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*/
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public function write_log($level = 'error', $msg, $php_error = FALSE)
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{
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if ($this->_enabled === FALSE)
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{
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return FALSE;
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}
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$level = strtoupper($level);
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if ( ! isset($this->_levels[$level]) OR ($this->_levels[$level] > $this->_threshold))
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{
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return FALSE;
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}
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$filepath = $this->_log_path.'log-'.date('Y-m-d').EXT;
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$message = '';
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if ( ! file_exists($filepath))
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{
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$message .= "<"."?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); ?".">\n\n";
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}
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if ( ! $fp = @fopen($filepath, FOPEN_WRITE_CREATE))
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{
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return FALSE;
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}
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$message .= $level.' '.(($level == 'INFO') ? ' -' : '-').' '.date($this->_date_fmt). ' --> '.$msg."\n";
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flock($fp, LOCK_EX);
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fwrite($fp, $message);
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flock($fp, LOCK_UN);
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fclose($fp);
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@chmod($filepath, FILE_WRITE_MODE);
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return TRUE;
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}
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}
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// END Log Class
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/* End of file Log.php */
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/* Location: ./system/libraries/Log.php */ |