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对于PHP开发者来 说,一旦某个产品投入使用,应该立即将 display_errors选项关闭,以免因为这些错误所透露的路径、数据库连接、数据表等信息而遭到黑客攻击。但是,任何一个产品在投入使用后,都难 免会有错误出现,那么如何记录一些对开发者有用的错误报告呢?我们可以在单独的文本文件中将错误报告作为日志记录。错误日志的记录,可以帮助开发人员或者 管理人员查看系统是否存在问题。 如果需要将程序中的错误报告写入错误日志中,只要在PHP的配置文件中,将配置指令log_errors开启即可。错误 报告默认就会记录到Web服务器的日志文件里,例如记录到Apache服务器的错误日志文件error.log中。当然也可以记录错误日志到指定的文件中 或发送给系统syslog。
下面是直接封装OK的,直接调用即可。写入的信息样式如下:
[2018-07-24 10:27:43][debug] begin notify3
[2018-07-24 10:27:43][debug] call back:[]
[2018-07-24 10:27:43][debug] error:can shu cuo wu
[2018-07-24 14:11:47][debug] begin notify3
[2018-07-24 14:11:47][debug] call back:[]
[2018-07-24 14:11:47][debug] error:can shu cuo wu
[2018-07-24 14:11:48][debug] begin notify3
[2018-07-24 14:11:48][debug] call back:[]
[2018-07-24 14:11:48][debug] error:can shu cuo wu
[2018-07-24 14:11:48][debug] begin notify3
[2018-07-24 14:11:48][debug] call back:[]
[2018-07-24 14:11:48][debug] error:can shu cuo wu
[2018-07-24 14:11:48][debug] begin notify3
[2018-07-24 14:11:48][debug] call back:[]
[2018-07-24 14:11:48][debug] error:can shu cuo wu
[2018-07-24 14:11:48][debug] begin notify3
[2018-07-24 14:11:48][debug] call back:[]
[2018-07-24 14:11:48][debug] error:can shu cuo wu
[2018-07-24 19:16:22][debug] error:post data is empty
[2018-07-24 20:05:59][debug] error:post data is empty
[2018-07-24 20:06:00][debug] error:post data is empty
[2018-07-24 20:06:01][debug] error:post data is empty
[2018-07-24 20:06:06][debug] error:post data is empty
[2018-07-24 20:06:07][debug] error:post data is empty
[2018-07-24 20:06:07][debug] error:post data is empty
[2018-07-24 20:06:08][debug] error:post data is empty
[2018-07-24 21:27:16][debug] error:post data is empty
<?php
//以下为日志
interface ILogHandler
{
public function write($msg);
}
class CLogFileHandler implements ILogHandler
{
private $handle = null;
public function __construct($file = '')
{
$this->handle = fopen($file,'a');
}
public function write($msg)
{
fwrite($this->handle, $msg, 4096);
}
public function __destruct()
{
fclose($this->handle);
}
}
class Log
{
private $handler = null;
private $level = 15;
private static $instance = null;
private function __construct(){}
private function __clone(){}
public static function Init($handler = null,$level = 15)
{
if(!self::$instance instanceof self)
{
self::$instance = new self();
self::$instance->__setHandle($handler);
self::$instance->__setLevel($level);
}
return self::$instance;
}
private function __setHandle($handler){
$this->handler = $handler;
}
private function __setLevel($level)
{
$this->level = $level;
}
public static function DEBUG($msg)
{
self::$instance->write(1, $msg);
}
public static function WARN($msg)
{
self::$instance->write(4, $msg);
}
public static function ERROR($msg)
{
$debugInfo = debug_backtrace();
$stack = "[";
foreach($debugInfo as $key => $val){
if(array_key_exists("file", $val)){
$stack .= ",file:" . $val["file"];
}
if(array_key_exists("line", $val)){
$stack .= ",line:" . $val["line"];
}
if(array_key_exists("function", $val)){
$stack .= ",function:" . $val["function"];
}
}
$stack .= "]";
self::$instance->write(8, $stack . $msg);
}
public static function INFO($msg)
{
self::$instance->write(2, $msg);
}
private function getLevelStr($level)
{
switch ($level)
{
case 1:
return 'debug';
break;
case 2:
return 'info';
break;
case 4:
return 'warn';
break;
case 8:
return 'error';
break;
default:
}
}
protected function write($level,$msg)
{
if(($level & $this->level) == $level )
{
$msg = '['.date('Y-m-d H:i:s').']['.$this->getLevelStr($level).'] '.$msg."
";
$this->handler->write($msg);
}
}
}
调用方法:
<?php
$logDir = DISCUZ_ROOT."./source/plugin/vyuan/logs/";
if(!is_dir($logDir)){
mkdir($logDir, 0777,true);
}else{
chmod($logDir, 0777);
}
//初始化日志
$logHandler= new CLogFileHandler("/source/plugin/logs/".date("Y-m-d").".log");
$log = Log::Init($logHandler, 15);
if(empty($orderInfo)){
Log::DEBUG('dingdan bu cun zai');
}else{
Log::DEBUG('dingdan cun zai');
}
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