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PHP如何将log信息写入服务器中的log文件

网络编程 2021-07-05 09:09www.168986.cn编程入门
这篇文章主要介绍了PHP如何将log信息写入服务器中的log文件,需要的朋友可以参考下

将log信息写入服务器中的log文件文件，折腾了一大圈终于找到了解决方案，具体内容如下

折腾

【记录】php中如何写类和如何使用类

期间，需要整理出一份，可配置的，通用的，log系统。

支持写入log信息到log文件中。

【折腾过程】

1.搜

php log to file

参考

PHP: error_log – Manual

PHP: syslog – Manual

How to create logs with PHP – Web Services Wiki

Write to a log file with PHP | Redips spideR Net

下载代码

Download redips10.tar.gz

2.期间

【已解决】PHP中函数前面加上at符号@的作用

3.然后用代码

crifanLib.php

<?php
/
[Filename]
crifanLib.php
[Function]
crifan's php lib, implement mon functions
[Author]
Crifan Li
[Contact]
http://.crifan./contact_me/
[Note]
1.online see code:
http://code.google./p/crifanlib/source/browse/trunk/php/crifanLib.php
[TODO]
[History]
[v1.0]
1.initial version, need clean up later
/
class crifanLib {
 private $logFile;
 private $logFp;
 /
  Init log file
 /
 function logInit($inputLogFile = null){
  // set default log file name
  // in case of Windows set default log file
  //http://stackoverflow./questions/1482260/how-to-get-the-os-on-which-php-is-running
  //http://php./manual/zh/function.php-uname.php
  if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
   $defautLogFile = 'C:/php/defLogFile.log';
  }
  // set default log file for Linux and other systems
  else {
   $defautLogFile = '/tmp/defLogFile.log';
  }
  $this->logFile = $inputLogFile ? $inputLogFile : $defautLogFile;
  // open log file for writing only and place file pointer at the end of the file
  // (if the file does not exist, try to create it)
  $this->logFp = fopen($this->logFile, 'a') or exit("Can't open $this->logFile!");
 }
 /
  Write log info to file
 /
 function logWrite($logContent){
  // if file pointer doesn't exist, then open log file
  if (!is_resource($this->logFp)) {
   $this->logInit();
  }
  // define script name
  $script_name = pathinfo($_SERVER['PHP_SELF'], PATHINFO_FILENAME);
  // define current time and suppress E_WARNING if using the system TZ settings
  // (don't fet to set the INI setting date.timezone)
  $time = @date('[Y-m-d H:i:s] ');
  // write current time, script name and message to the log file
  fwrite($this->logFp, "$time ($script_name) $logContent" . PHP_EOL);
 }
 /
  Deinit log
 /
 function logDeinit(){
  if (is_resource($this->logFp)) {
   fclose($this->logFp);
  }
 }
}
 ?>

然后测试代码

<?php
/
 Author: Crifan Li
 Version: 2015-07-27
 Contact: http://.crifan./about/me/
 Function:  Wechat get aess token
/
include_once "crifanLib.php";
//test log
$crifanLib = new crifanLib();
$crifanLib->logInit("/xxx/aess_token/crifanLibTest.log");
$crifanLib->logWrite("This is crifanLib log test message.");
$crifanLib->logDeinit();
?>


然后去执行对应的代码

页面是没有任何输出的

然后的确生成了log文件了

root@chantyou:php# cd aess_token/
root@chantyou:aess_token# ll
total 16
-rwxrwxrwx 1 root root 9335 Jul 27 17:51 crifanLib.php
-rwxrwxrwx 1 root root 567 Jul 27 17:52 wx_aess_token.php
root@chantyou:aess_token# ll
total 20
-rwxrwxrwx 1 root  root  9335 Jul 27 17:51 crifanLib.php
-rw-r--r-- 1 apache apache  77 Jul 27 17:56 crifanLibTest.log
-rwxrwxrwx 1 root  root  567 Jul 27 17:52 wx_aess_token.php
root@chantyou:aess_token# cat crifanLibTest.log 
[2015-07-27 10:10:33] (wx_aess_token) This is crifanLib log test message.
root@chantyou:aess_token#

【注意】

要记得给对应的（此处是Linux服务器中的对应的文件夹添加写权限

root@chantyou:php# ll
total 48
drwxr-xr-x 2 root root 4096 Jul 27 17:55 aess_token
-rwxr-xr-x 1 root root 1091 Sep 25 2014 errorCode.php
-rw-r--r-- 1 root root 2230 Jun 10 14:16 MicromsgVerify.php
-rwxr-xr-x 1 root root 4288 Sep 25 2014 pkcs7Encoder.php
-rwxr-xr-x 1 root root 452 Sep 15 2014 Readme.txt
-rwxr-xr-x 1 root root 724 Sep 22 2014 sha1.php
drwxr-xr-x 2 root root 4096 Jul 20 12:34 wechat_encypt
-rwxr-xr-x 1 root root 5327 Sep 15 2014 WXBizMsgCrypt.php
-rwxrwxrwx 1 root root 2455 Jul 16 18:06 wx_didaosuzhou.php
-rwxr-xr-x 1 root root 1346 Sep 22 2014 xmlparse.php
root@chantyou:php# chmod ugo+wx aess_token/  
root@chantyou:php# ll
total 48
drwxrwxrwx 2 root root 4096 Jul 27 17:55 aess_token
-rwxr-xr-x 1 root root 1091 Sep 25 2014 errorCode.php
-rw-r--r-- 1 root root 2230 Jun 10 14:16 MicromsgVerify.php
-rwxr-xr-x 1 root root 4288 Sep 25 2014 pkcs7Encoder.php
-rwxr-xr-x 1 root root 452 Sep 15 2014 Readme.txt
-rwxr-xr-x 1 root root 724 Sep 22 2014 sha1.php
drwxr-xr-x 2 root root 4096 Jul 20 12:34 wechat_encypt
-rwxr-xr-x 1 root root 5327 Sep 15 2014 WXBizMsgCrypt.php
-rwxrwxrwx 1 root root 2455 Jul 16 18:06 wx_didaosuzhou.php
-rwxr-xr-x 1 root root 1346 Sep 22 2014 xmlparse.php

否则会报错的

Can't open /xxx/aess_token/crifanLibTest.log file!

4.不过突然想起来

之前已经学过了，

file_put_contents

就可以替代了fopen，fwrite，fclose了。

所以再去优化为

crifanLib.php

<?php
/
[Filename]
crifanLib.php
[Function]
crifan's php lib, implement mon functions
[Author]
Crifan Li
[Contact]
http://.crifan./contact_me/
[Note]
1.online see code:
http://code.google./p/crifanlib/source/browse/trunk/php/crifanLib.php
[TODO]
[History]
[v2015-07-27]
1.add logInit, logWrite
[v1.0]
1.initial version, need clean up later
/
class crifanLib {
 private $logFile;
 private $logFp;
 /
  Init log file
 /
 function logInit($inputLogFile = null){
  // set default log file name
  // in case of Windows set default log file
  //http://stackoverflow./questions/1482260/how-to-get-the-os-on-which-php-is-running
  //http://php./manual/zh/function.php-uname.php
  if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
   $defautLogFile = 'C:/php/defLogFile.log';
  }
  // set default log file for Linux and other systems
  else {
   $defautLogFile = '/tmp/defLogFile.log';
  }
  $this->logFile = $inputLogFile ? $inputLogFile : $defautLogFile;
 }
 /
  Write log info to file
 /
 function logWrite($logContent){
  // define script name
  $scriptName = pathinfo($_SERVER['PHP_SELF'], PATHINFO_FILENAME);
  // define current time and suppress E_WARNING if using the system TZ settings
  // (don't fet to set the INI setting date.timezone)
  $timeStr = @date('[Y-m-d H:i:s]');
  // write current time, script name and message to the log file
  file_put_contents($this->logFile, "$timeStr ($scriptName) $logContent" . PHP_EOL, FILE_APPEND);
 }
}
 ?>


测试文件为

<?php
/
 Author: Crifan Li
 Version: 2015-07-27
 Contact: http://.crifan./about/me/
 Function: test crifanLib log
/
include_once "crifanLib.php";
//test log
$crifanLib = new crifanLib();
$crifanLib->logInit("/xxx/logTest.log");
$crifanLib->logWrite("This is crifanLib log test message using file_put_contents");
?>

效果是

# ll
total 16
-rw-r--r-- 1 root root 9524 Jul 27 18:16 crifanLib.php
-rwxrwxrwx 1 root root  561 Jul 27 18:18 wx_aess_token.php
# ll
total 20
-rw-r--r-- 1 root   root   9524 Jul 27 18:16 crifanLib.php
-rw-r--r-- 1 apache apache   76 Jul 27 18:19 logTest.log
-rwxrwxrwx 1 root   root    561 Jul 27 18:18 wx_aess_token.php
# cat logTest.log
[2015-07-27 12:05:47] (wx_aess_token) This is crifanLib log test message using file_put_contents
#
如图

注

期间参考

PHP: is_resource – Manual

【】

1.此处可以通过

fopen创建log文件
fwrite写入文件信息
fclose关闭文件
去实现log信息写入到文件中的。

2.更好的做法是

直接用更方便的

file_put_contents直接输出内容到log文件
即可。

以上就是将log信息写入服务器中的log文件文件全部内容，希望大家喜欢。

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