PHP Grab IP With Image

* GETTING AN IP THROUGH A IMAGE USING PHP *

1. Create a .php file with the following code:

<?php
header('Content-type: image/jpeg');
readfile('gah.jpg');
$filename = "logfile.txt";
   $logstring = "Connection from:".$_SERVER['REMOTE_ADDR']." at ".date("r",time())."\n";
   if ($handle = fopen($filename, 'a')) {
  fwrite($handle, $logstring);
  fclose($handle);
   }
?>

2. Add a text file named "logfile.txt"
3. Add a image of your choice and name it "gah.jpg"
4. Now visit the php and watch your IP get transfered to logfile.txt