How PHP writes log information to a log file on the server _php instance

Log information to the log file on the server file, toss a big circle finally found the solution, the specific content is as follows:

Toss:

"Record"how to write classes and how to use classes in PHP

During this period, a single, configurable, universal, log system needs to be sorted out.

Support for writing log information to the log file.

"Toss the process"

1. Search:

PHP Log to File

Reference:

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

Download code:

Download redips10.tar.gz

2. Period:

"Resolved" function in PHP preceded by the at sign @

3. Then use the code:

Crifanlib.php<?php/*[filename]crifanlib.php[function]crifan ' s php lib, implement common Functions[author]crifan Li[contact]http://www.crifan.com/contact_me/[note]1.online See code:http://code.google.com/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 DEFA Ult log file//http://stackoverflow.com/questions/1482260/how-to-get-the-os-on-which-php-is-running//http:// php.net/manual/zh/function.php-uname.php if (Strtoupper (substr (php_os, 0, 3)) = = = ' WIN ') {$defautLogFile = ' c:/php/def  LogFile.log ';  }//Set default log file for Linux and other systems else {$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) $this-&GT;LOGFP = fopen ($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 forget to set the INI setting dat  E.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-&GT;LOGFP); }}}?>

Then test the code:

<?php/* Author:crifan Li version:2015-07-27 contact:http://www.crifan.com/about/me/function:  Wechat get Access token*/include_once "crifanlib.php";//test log$crifanlib = new Crifanlib (); $crifanLib->loginit ("/xxx/ Access_token/crifanlibtest.log "); $crifanLib->logwrite (" This is crifanlib log test message. "); $crifanLib->logdeinit ();? >

Then go to execute the corresponding code:

http://xxx/access_token/wx_access_token.php

The page does not have any output:

Then it does generate a log file:

root@chantyou:php# CD access_token/root@chantyou:access_token# lltotal 16-rwxrwxrwx 1 root root 9335 Jul 17:51 crifanLi b.php-rwxrwxrwx 1 root root 567 Jul 17:52 wx_access_token.phproot@chantyou:access_token# lltotal 20-rwxrwxrwx 1 root
  root  9335 Jul 17:51 crifanlib.php-rw-r--r--1 apache Apache 1 17:56 crifanlibtest.log-rwxrwxrwx  T  root  567 Jul 17:52 wx_access_token.phproot@chantyou:access_token# cat CrifanLibTest.log [2015-07-27 10:10:33] (Wx_access_token) This is crifanlib log test message.root@chantyou:access_token#

Note

Remember to add write permissions to the corresponding (here is the corresponding folder in the Linux server:

root@chantyou:php# lltotal 48drwxr-xr-x 2 root root 4096 Jul 17:55 access_token-rwxr-xr-x 1 root root 1091 Sep 25 2014 errorcode.php-rw-r--r--1 root root 2230 June 14:16 micromsgverify.php-rwxr-xr-x 1 root root 4288 Sep pkcs7encod Er.php-rwxr-xr-x 1 root root 452 Sep readme.txt-rwxr-xr-x 1 root root 724 Sep sha1.phpdrwxr-xr-x 2 root ro  ot 4096 Jul 12:34 wechat_encypt-rwxr-xr-x 1 root root 5327 Sep wxbizmsgcrypt.php-rwxrwxrwx 1 root root 2455 Jul 18:06 wx_didaosuzhou.php-rwxr-xr-x 1 root root 1346 Sep xmlparse.phproot@chantyou:php# chmod ugo+wx Access_tok en/root@chantyou:php# lltotal 48drwxrwxrwx 2 root root 4096 Jul 17:55 access_token-rwxr-xr-x 1 root root 1091 Sep 25 errorcode.php-rw-r--r--1 root root 2230 June 14:16 micromsgverify.php-rwxr-xr-x 1 root root 4288 Sep PKCS7 Encoder.php-rwxr-xr-x 1 root root 452 Sep readme.txt-rwxr-xr-x 1 root root 724 Sep sha1.phpdrwxr-xr-x 2 ro OT root 4096 Jul 20 12:34 wechat_encypt-rwxr-xr-x 1 root root 5327 Sep wxbizmsgcrypt.php-rwxrwxrwx 1 root root 2455 Jul 18:06 Wx_didaos Uzhou.php-rwxr-xr-x 1 root root 1346 Sep xmlparse.php

Otherwise the error will be:

Can ' t Open/xxx/access_token/crifanlibtest.log file!

4. But suddenly it comes to mind:

I've learned it before,

File_put_contents

Can be replaced by: Fopen,fwrite,fclose.

So again to optimize for:

crifanlib.php

<?php/*[filename]crifanlib.php[function]crifan ' s php lib, implement common Functions[author]crifan li[contact] Http://www.crifan.com/contact_me/[note]1.online See code:http://code.google.com/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 D Efault log file name//In case of Windows set default log file//http://stackoverflow.com/questions/1482260/how-to-get- The-os-on-which-php-is-running//http://php.net/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 forget to set the INI setting dat  E.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, "$timeStr ($scriptNam e) $logContent ". Php_eol, File_append); }}?>

The test files are:

<?php/* author:crifan Li version:2015-07-27 contact:http://www.crifan.com/about/me/function:test crifanLib log*/i Nclude_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");? >

The effect is:

root@chantyou:access_token# LL
Total 16
-rw-r--r--1 root root 9524 Jul 18:16 crifanlib.php
-rwxrwxrwx 1 root root 561 Jul 18:18 wx_access_token.php
root@chantyou:access_token# LL
Total 20
-rw-r--r--1 root root 9524 Jul 18:16 crifanlib.php
-rw-r--r--1 Apache Apache 18:19 logTest.log
-rwxrwxrwx 1 root root 561 Jul 18:18 wx_access_token.php
root@chantyou:access_token# Cat LogTest.log
[2015-07-27 12:05:47] (Wx_access_token) This is crifanlib log test message using file_put_contents
root@chantyou:access_token#

Note:

Period Reference:

Php:is_resource–manual

Summary

1. Here you can do this by:

fopen Creating a log file
Fwrite Writing file information
Fclose closing files
To implement the log information written to the file.

2. A better approach would be to:

Direct use of more convenient

File_put_contents Direct output content to log file
Can.

The above is to write log information to the log file on the server all the content, I hope you like it.

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