Web Development Tutorial Unique Page Views

Crimina4l

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Wassup guys, here is some php code I made for my website to count the amount of unique page views.I tried my best to explain each line of code with a comment above.

Create a new file "count.php" and add the following code:
PHP:
<?php

   /* get the IP address of the user */
   $getra = $_SERVER['REMOTE_ADDR'];

   /* Encrypt the IP address with sha1 in brackets; also get it ready for the next line with \n */
   $printip = "<" . sha1($getra) . ">\n";

   /* get the file name where we are printing our encrypted IPs */
   $getfile = "ipfile.txt";


   /* Open that file with read/write access; If it doesn't exist it will create it. */
   $ipfile = fopen($getfile, "a+") or die("Unable to open file!");

   /* count the amount of lines in the ipfile.txt(AKA: counting how many IP's are on the list) */
   $countipfile = count(file($getfile));


   /* read the file we opened */
   $ipget = fread($ipfile, filesize($getfile));

   /* if it contains the ip address already, do nothing.
   If it doesn't have the IP address on file, write it & +1. */
   if(strpos($ipget, $printip) !== false){
   }else{
       fwrite($ipfile, $printip);

       /* since the new visitor wont see his view on the counter until he refreshes his browser; */
       $countipfile++; /* We account for his IP that wasn't initially counted in the list by adding 1 (because it wasn't there) */
       /* Once he refreshes, his IP is already on the list and counted. */
   }

   /* write the amount of unique visits. */
   $theCount = "Unique Website Views: ". $countipfile . "";
  
   ?>
Now, whatever page you want to record the amount of visitors on, add the following code (preferably to the head):
(So if someone views a page with this code in it, their IP will be logged)
Code:
<?php include count.php; ?>
Now to print your unique page counter, use the following code (make sure the line of code above is included somewhere in the page):
PHP:
<?php echo $theCount; ?>
I hope you guys enjoy this, if you have any questions comment below and I will try to help you Smile
 
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