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Why Would "$_SERVER['REQUEST_URI']" Come up Empty Or Null?

inVINCEable

By inVINCEable
in PHP Coding Help

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inVINCEable Member

inVINCEable

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Posted

I am checking referrers on a particular site, let's say domain.com/campaigns/2/ is where I am pointing them to. In there I have an index.php file that records the referrer as well as the request URL. Sometimes it is recorded correctly, such as "/campaigns/2/" and other times it comes up null. Either way they are hitting the file there, so what is the explanation as to why it would come up null?

 

Thanks!

 

 

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inVINCEable Member

inVINCEable

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Sorry, I didn't mean to say it is a DB insert, it just logs the info in a file. Here is the info:

 

 

Here is the php:

 

 

 

 

 

<?php 
//lets log visitor information

$referer = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '';
$query = isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : '';
$request_method = isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : '';
$host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '';
$ip = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '';
$remote_host = isset($_SERVER['REMOTE_HOST']) ? $_SERVER['REMOTE_HOST'] : '';
$remote_port = isset($_SERVER['REMOTE_PORT']) ? $_SERVER['REMOTE_PORT'] : '';
$request_uri = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '';
$agent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '';

if(file_exists("info.txt")){ 
$file = fopen("info.txt", "a"); 
$info = "Referer: " . $referer . "\n\n"; 
$info .= "Query: " . $query . "\n\n"; 
$info .= "Request Method: " . $request_method . "\n\n"; 
$info .= "Host: " . $host . "\n\n"; 
$info .= "IP: " . $ip . "\n\n"; 
$info .= "Remote Host: " . $remote_host . "\n\n"; 
$info .= "Remote Port: " . $remote_port . "\n\n"; 
$info .= "Request URL: " . $request_uri . "\n\n"; 
$info .= "Agent: " . $agent . "\n\n"; 
$info .= "-----------------------------------------"; 
fwrite($file, $info); 
} 
else
{
$file = fopen("info.txt", "w"); 
$info = "Referer: " . $referer . "\n\n"; 
$info .= "Query: " . $query . "\n\n"; 
$info .= "Request Method: " . $request_method . "\n\n"; 
$info .= "Host: " . $host . "\n\n"; 
$info .= "IP: " . $ip . "\n\n"; 
$info .= "Remote Host: " . $remote_host . "\n\n"; 
$info .= "Remote Port: " . $remote_port . "\n\n"; 
$info .= "Request URL: " . $request_url . "\n\n"; 
$info .= "Agent: " . $agent . "\n\n"; 
$info .= "-----------------------------------------"; 
fwrite($file, $info); 
}

?>

 

 

And here is the HTML file in its entirety: 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Get My Email Guide</title>
</head>

<body>




<?php 
//lets log visitor information

$referer = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '';
$query = isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : '';
$request_method = isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : '';
$host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '';
$ip = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '';
$remote_host = isset($_SERVER['REMOTE_HOST']) ? $_SERVER['REMOTE_HOST'] : '';
$remote_port = isset($_SERVER['REMOTE_PORT']) ? $_SERVER['REMOTE_PORT'] : '';
$request_uri = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '';
$agent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '';

if(file_exists("info.txt")){ 
$file = fopen("info.txt", "a"); 
$info = "Referer: " . $referer . "\n\n"; 
$info .= "Query: " . $query . "\n\n"; 
$info .= "Request Method: " . $request_method . "\n\n"; 
$info .= "Host: " . $host . "\n\n"; 
$info .= "IP: " . $ip . "\n\n"; 
$info .= "Remote Host: " . $remote_host . "\n\n"; 
$info .= "Remote Port: " . $remote_port . "\n\n"; 
$info .= "Request URL: " . $request_uri . "\n\n"; 
$info .= "Agent: " . $agent . "\n\n"; 
$info .= "-----------------------------------------"; 
fwrite($file, $info); 
} 
else
{
$file = fopen("info.txt", "w"); 
$info = "Referer: " . $referer . "\n\n"; 
$info .= "Query: " . $query . "\n\n"; 
$info .= "Request Method: " . $request_method . "\n\n"; 
$info .= "Host: " . $host . "\n\n"; 
$info .= "IP: " . $ip . "\n\n"; 
$info .= "Remote Host: " . $remote_host . "\n\n"; 
$info .= "Remote Port: " . $remote_port . "\n\n"; 
$info .= "Request URL: " . $request_url . "\n\n"; 
$info .= "Agent: " . $agent . "\n\n"; 
$info .= "-----------------------------------------"; 
fwrite($file, $info); 
}

?>






<center>*Are You Looking to Go Ahead and Get My Email Guide? </center>

<br />


<br />

<br />

<center>
<ul>
<li>Make Thousands Monthly</li>
<li>Do All Kinds of Things You Couldn't Before</li>

<li>Get Whatever Car You Want!</li>

<li>If you said yes then click the link below!</li>
</ul>
</center>


<center>
<a href="http://www.tracklead.net/click.track?CID=107578&AFID=112392&ADID=241750&SID=fb">
Rags to Riches Story Here!
</a>
</center>



</body>
</html>

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