How to create a log file in PHP?

[wish]

Hi all,

Can anyone give me some suggestions on the log file that can keep track the user login and logout, edit data and delete data in the system.

Currently i have not idea to create the page and dunno how to start to create it..

Can some one guide me?

Thanks in advance.

[Lumpy]

Hi all,

Can anyone give me some suggestions on the log file that can keep track the user login and logout, edit data and delete data in the system.

Currently i have not idea to create the page and dunno how to start to create it..

Can some one guide me?

Thanks in advance.

The php manual has a whole section on filesystem functions which can be found at http://php.net/filesystem

And also there is a decent tutorial that will kind of show you how to get files open and edited at http://www.tizag.com/phpT/files.php.

I would start with these resources and go from there. Good Luck!!

[wish]

Hi,

Here is the example code from website. I try it but it cant work?

<?php
$ac_arr = file('/path/to/copy/access_log');
$astring = join("", $ac_arr);
$astring = preg_replace("/(\n|\r|\t)/", "", $astring);
$records = preg_split("/([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/", $astring, -1, PREG_SPLIT_DELIM_CAPTURE);
 
$sizerecs = sizeof($records);
 
// now split into records
$i = 1;
$each_rec = 0;
while($i<$sizerecs) {
  $ip = $records[$i];
  $all = $records[$i+1];
 
  // parse other fields
  preg_match("/\[(.+)\]/", $all, $match);
  $access_time = $match[1];
  $all = str_replace($match[1], "", $all);
 
  preg_match("/\"GET (.[^\"]+)/", $all, $match);
  $http = $match[1];
  $link = explode(" ", $http);
  $all = str_replace("\"GET $match[1]\"", "", $all);
 
  preg_match("/([0-9]{3})/", $all, $match);
  $success_code = $match[1];
  $all = str_replace($match[1], "", $all);
 
  preg_match("/\"(.[^\"]+)/", $all, $match);
  $ref = $match[1];
  $all = str_replace("\"$match[1]\"", "", $all);
 
  preg_match("/\"(.[^\"]+)/", $all, $match);
  $browser = $match[1];
  $all = str_replace("\"$match[1]\"", "", $all);
 
  preg_match("/([0-9]+\b)/", $all, $match);
  $bytes = $match[1];
  $all = str_replace($match[1], "", $all);
 
  print("<br>IP: $ip<br>Access Time: $access_time<br>Page: $link[0]
    <br>Type: $link[1]<br>Success Code: $success_code
    <br>Bytes Transferred: $bytes<br>Referer: $ref
    <br>Browser: $browser<hr>");
 
  // advance to next record
  $i = $i + 2;
  $each_rec++;
}
?>
 

Can anyone guide me? I already change the file path..var/log/httpd/access_log.. but still cant work..

thanks in advance.

[Markus]

Do you get an error?

[pimmy]

I am not sure what you are trying to do, but logging to a file is as simple as that:

$message = 'Something happened in my script..';
$timestamp = date('d/m/Y H:i:s');
$log_file = '/var/log/my_script.log';
 
error_log('['.$timestamp.'] INFO: '.$message.PHP_EOL, 3, $log_file);
 

Make sure that the directory where you are directing your log exists. PHP will not give you any error message, but just not create any log.

Cheers,

Pimmy

[wish]

Hi,

I try it.

My log file is actually is keep one record in linux..in location /var/log/http/access_log

My previous code is split the access log file into more meaning report come out.

Is it correct for the code to retrieve the access_log file?