<?php
class PhpLog {
const DEBUG = 1;// Most Verbose
const INFO = 2;// ...
const WARN = 3;// ...
const ERROR = 4;// ...
const FATAL = 5;// Least Verbose
const OFF = 6;// Nothing at all.
const LOG_OPEN = 1;
const OPEN_FAILED = 2;
const LOG_CLOSED = 3;
/* Public members: Not so much of an example of encapsulation, but that's okay. */
public $Log_Status = PhpLog::LOG_CLOSED;
public $DateFormat= "Y-m-d G:i:s";
public $MessageQueue;
private $filename;
private $log_file;
private $priority = PhpLog::INFO;
private $file_handle;
/**
* AUTHOR: gu_yongkang
* DATA: 20110322
* Enter description here ...
* @param $filepath
* 文件存储的路径
* @param $timezone
* 时间格式，此处设置为"PRC"（中国）
* @param $priority
* 设置运行级别
*/
public function __construct( $filepath, $timezone, $priority )
{
if ( $priority == PhpLog::OFF ) return;
$this->filename = date('Y-m-d', time()) . '.log'; //默认为以时间＋.log的文件文件
$this->log_file = $this->createPath($filepath, $this->filename);
$this->MessageQueue = array();
$this->priority = $priority;
date_default_timezone_set($timezone);
if ( !file_exists($filepath) ) //判断文件路径是否存在
{
if(!empty($filepath)) //判断路径是否为空
{
if(!($this->_createDir($filepath)))
{
$this->Log_Status = PhpLog::OPEN_FAILED;
$this->MessageQueue[] = "Create file failed.";
return;
}
if ( !is_writable($this->log_file) )
{
$this->Log_Status = PhpLog::OPEN_FAILED;
$this->MessageQueue[] = "The file exists, but could not be opened for writing. Check that appropriate permissions have been set.";
return;
}
}
}
if ( $this->file_handle = fopen( $this->log_file , "a+" ) )
{
$this->Log_Status = PhpLog::LOG_OPEN;
$this->MessageQueue[] = "The log file was opened successfully.";
}
else
{
$this->Log_Status = PhpLog::OPEN_FAILED;
$this->MessageQueue[] = "The file could not be opened. Check permissions.";
}
return;
}
public function __destruct()
{
if ( $this->file_handle )
fclose( $this->file_handle );
}
/**
*作用:创建目录
*输入:要创建的目录
*输出:true | false
*/
private function _createDir($dir)
{
// return is_dir($dir) or (self::_createDir(dirname($dir)) and mkdir($dir, 0777));
return false;
}
/**
*作用:构建路径
*输入:文件的路径,要写入的文件名
*输出:构建好的路径字串
*/
private function createPath($dir, $filename)
{
if (empty($dir))
{
return $filename;
}
else
{
return $dir . "/" . $filename;
}
}
public function LogInfo($line)
{
/**
* AUTHOR : gu_yongkang
* 增加打印函数和文件名的功能
*/
$sAarray = array();
$sAarray = debug_backtrace();
$sGetFilePath = $sAarray[0]["file"];
$sGetFileLine = $sAarray[0]["line"];
$this->Log( $line, PhpLog::INFO, $sGetFilePath, $sGetFileLine);
unset($sAarray);
unset($sGetFilePath);
unset($sGetFileLine);
}
public function LogDebug($line)
{
/**
* AUTHOR : gu_yongkang
* 增加打印函数和文件名的功能
*/
$sAarray = array();
$sAarray = debug_backtrace();
$sGetFilePath = $sAarray[0]["file"];
$sGetFileLine = $sAarray[0]["line"];
$this->Log( $line, PhpLog::DEBUG, $sGetFilePath, $sGetFileLine);
unset($sAarray);
unset($sGetFilePath);
unset($sGetFileLine);
}
public function LogWarn($line)
{
/**
* AUTHOR : gu_yongkang
* 增加打印函数和文件名的功能
*/
$sAarray = array();
$sAarray = debug_backtrace();
$sGetFilePath = $sAarray[0]["file"];
$sGetFileLine = $sAarray[0]["line"];
$this->Log( $line, PhpLog::WARN, $sGetFilePath, $sGetFileLine);
unset($sAarray);
unset($sGetFilePath);
unset($sGetFileLine);
}
public function LogError($line)
{
/**
* AUTHOR : gu_yongkang
* 增加打印函数和文件名的功能
*/
$sAarray = array();
$sAarray = debug_backtrace();
$sGetFilePath = $sAarray[0]["file"];
$sGetFileLine = $sAarray[0]["line"];
$this->Log( $line, PhpLog::ERROR, $sGetFilePath, $sGetFileLine);
unset($sAarray);
unset($sGetFilePath);
unset($sGetFileLine);
}
public function LogFatal($line)
{
/**
* AUTHOR : gu_yongkang
* 增加打印函数和文件名的功能
*/
$sAarray = array();
$sAarray = debug_backtrace();
$sGetFilePath = $sAarray[0]["file"];
$sGetFileLine = $sAarray[0]["line"];
$this->Log( $line, PhpLog::FATAL, $sGetFilePath, $sGetFileLine);
unset($sAarray);
unset($sGetFilePath);
unset($sGetFileLine);
}
/**
* Author ： gu_yongkang
* Enter description here ...
* @param unknown_type $line
* content 内容
* @param unknown_type $priority
* 打印级别
* @param unknown_type $sFile
* 调用打印日志的文件名
* @param unknown_type $iLine
* 打印文件的位置（行数）
*/
public function Log($line, $priority, $sFile, $iLine)
{
if ($iLine > 0)
{
//$line = iconv('GBK', 'UTF-8', $line);
if ( $this->priority <= $priority )
{
$status = $this->getTimeLine( $priority, $sFile, $iLine);
$this->WriteFreeFormLine ( "$status $line \n" );
}
}
else
{
/**
* AUTHOR : gu_yongkang
* 增加打印函数和文件名的功能
*/
$sAarray = array();
$sAarray = debug_backtrace();
$sGetFilePath = $sAarray[0]["file"];
$sGetFileLine = $sAarray[0]["line"];
if ( $this->priority <= $priority )
{
$status = $this->getTimeLine( $priority, $sGetFilePath, $sGetFileLine);
unset($sAarray);
unset($sGetFilePath);
unset($sGetFileLine);
$this->WriteFreeFormLine ( "$status $line \n" );
}
}
}
// 支持输入多个参数
public function WriteFreeFormLine( $line )
{
if ( $this->Log_Status == PhpLog::LOG_OPEN && $this->priority != PhpLog::OFF )
{
if (fwrite( $this->file_handle , $line ) === false)
{
$this->MessageQueue[] = "The file could not be written to. Check that appropriate permissions have been set.";
}
}
}
private function getRemoteIP()
{
foreach (array('HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_FORWARDED', 'HTTP_X_CLUSTER_CLIENT_IP', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED', 'REMOTE_ADDR') as $key)
{
if (array_key_exists($key, $_SERVER) === true)
{
foreach (explode(',', $_SERVER[$key]) as $ip)
{
$ip = trim($ip);
if (!empty($ip))
{
return $ip;
}
}
}
}
return "_NO_IP";
}
private function getTimeLine( $level, $FilePath, $FileLine)
{
$time = date( $this->DateFormat );
$ip = $this->getRemoteIP();
switch( $level )
{
case PhpLog::INFO:
return "$time, " . "INFO, " . "$ip, " . "File[ $FilePath ], " . "Line[$FileLine]" . "------";
case PhpLog::WARN:
return "$time, " . "WARN, " . "$ip, " . "File[ $FilePath ], " . "Line[$FileLine]" . "------";
case PhpLog::DEBUG:
return "$time, " . "DEBUG, " . "$ip, " . "File[ $FilePath ], " . "Line[$FileLine]" . "------";
case PhpLog::ERROR:
return "$time, " . "ERROR, " . "$ip, " . "File[ $FilePath ], " . "Line[$FileLine]" . "------";
case PhpLog::FATAL:
return "$time, " . "FATAL, " . "$ip, " . "File[ $FilePath ], " . "Line[$FileLine]" . "------";
default:
return "$time, " . "LOG, " . "$ip, " . "File[ $FilePath ], " . "Line[$FileLine]" . "------";
}
}
}