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The next problem I ran into was that I would get inacurate (or no) filesize specifications in the log because it's not possible to find out how much content that gets generated from your PHP script. I ended up recording the original size of the PHP3 file, as this would at least give me a hint about how much data is actually sent each day/week/month (it's an option - use it or don't).



<?php

/*
 * Common Logfile Format script.
 * 
 * Author: Mattias Nilsson <mattias_at_coolt.nu>
 *
 */ 

/* User definable variables */ 
$logfile =  "clf.log";    /* Filename of log to write to */ 
$timezone =  "+0100";     /* Timezone correction */ 
$lookup_size = true;     /* Set to true to enable filesize lookup */ 
$document_root =  "/usr/local/apache/share/htdocs";

/* A note about the lookup_size directive:
 * This will make this script lookup the size of the original file on disk,
 * which may or may not be the same amount of data sent to the client.
 * It does give you a hint though..
 * Oh, you have to set $document_root aswell if this should work..
 */ 

function write_to_log($str) {
    if($fd = @fopen($GLOBALS[ "logfile"],  "a")) {
    fputs($fd, $str);
    fclose($fd);
    }
}

function get_var($name,$default) {
    if($var = getenv($name)) {
    return $var;
    } else {
    return $default;
    }
}

if($remote_host = get_var( "REMOTE_HOST", false)) {
    $remote_host = get_var( "REMOTE_ADDR",  "-");
}
$remote_user = get_var( "REMOTE_USER",  "-");
$remote_ident = get_var( "REMOTE_IDENT",  "-");
$server_port = get_var( "SERVER_PORT", 80);
if($server_port!=80) {
    $server_port =  ":" . $server_port;
} else {
    $server_port =  "";
}
$server_name = get_var( "SERVER_NAME",  "-");
$request_method = get_var( "REQUEST_METHOD",  "GET");
$request_uri = get_var( "REQUEST_URI",  "");
$user_agent = get_var( "HTTP_USER_AGENT",  "");
if($lookup_size == true && $document_root) {
    $filename = ereg_replace( "\?.*",  "", $request_uri);
    $filename =  "$document_root$filename";
    if(!$size = filesize($filename)) {
    $size = 0;
    }
} else {
    $size = 0;
}

$date = gmdate( "d/M/Y:H:i:s");
$log = "$remote_host $remote_ident $remote_user [$date $timezone] \"".
    "$request_method http://$server_name$server_port$request_uri\" 200 $size\n";

write_to_log($log);

?>

Comments:
creating log-in of activities using PHP	Grey	09/09/08 22:14
negate the if statement?	Peter	08/24/07 04:51
Java to php	Sunny	12/14/05 09:47
RE: how get book in pdf for PHP	Wes	05/12/05 00:57
RE: HELP!	Wes	05/12/05 00:55
which tool i can use a log file	Deepak Se	12/06/04 09:44
help!	miaka	11/12/02 05:20
RE: email	Swetha Balla	10/28/02 23:46
what is php	abialsh	09/18/02 04:04
HELP!	Nikki Tavasoli	09/06/02 20:33
which tool i can use a log file	someone	09/06/02 18:56
Can I use PHPt o develop tools for internet M	RUTAYISIRE PATRICK	07/31/02 11:40
how get book in pdf for PHP	eli	07/09/02 15:35
Simple Logging??	Chris McCarty	06/07/02 17:36
RE: problem working?	Catherine	05/17/02 16:29
RE: Use this to log into a table:	Catherine	05/17/02 16:27
To view log file in web	prasad	04/09/02 08:04
? How to get this working....?	Sili	03/15/02 11:29
to view log file in web	rosli	03/09/02 00:14
RE: I have got this script working,, but....	mika	02/02/02 09:34
Uploading php file	Vishal	01/16/02 11:57
RE: can anyboday tell me how to make a login	Joshua	01/12/02 20:48
RE: can anyboday tell me how to make a login	Maresal	01/01/02 17:44
how to create set up files	kiran	12/11/01 06:33
can anyboday tell me how to make a login	fernanciso	10/30/01 04:00
I have got this script working,, but....	i.k	10/19/01 15:45
Why $GLOBALS["logfile"] instead of $logfile o	Trustle	10/03/01 07:53
RE: email	Frank Polscheit	09/18/01 10:27
RE: problem working?	pavel	09/14/01 09:06
Use this to log into a table:	yves	08/23/01 12:20
question!	reza	08/20/01 10:23
What log analyzer do you use?	Katana	07/09/01 11:24
Log Analyzer	Katana	07/09/01 02:18
Thanks... but, recommend ...	Jungyeon, Choe	07/01/01 17:43
Generating log-file for 404	Marcus Ohlsson	06/19/01 07:21
RE: How to get referer URL	keykoder	06/10/01 01:02
Logging Errors...	JohnC	06/07/01 18:36
RE: How to get referer URL	Anders K. Madsen	05/29/01 12:37
email	josephine leone	05/24/01 17:51
Very Good	Gain	05/24/01 08:24
How to get referer URL	Luis Oliveira	05/08/01 06:42
RE: Question about an error	Per	04/21/01 18:09
RE: You should be able to calc. page output size	Eric Blade	04/13/01 23:42
problem working?	Conor	04/09/01 11:23
Nice aricle.	Dennis S.Davidoff	03/15/01 08:34
RE: log file reader script???	Frans	03/08/01 20:04
log file reader script???	John	02/22/01 02:54
Thanks!	Rufo	01/26/01 02:32
You should be able to calc. page output size	Skunk	01/08/01 08:11
Question about an error	EagleEyes	12/20/00 16:54
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