How to implement different IP address views statistics

How to achieve the statistics of different IP address views

 
  Guest counter functions
function counter () {
!empty ($_get[' weburl ')  | |  Die (' Weburl cannot be empty ');
$weburl = $_get[' Weburl ');

$file = '/usr/local/apache/htdocs/mytests/counter.txt ';
if (! file_exists ($file)) {
$num = 1;
$CF = fopen ($file, ' w ');
Fwrite ($CF, $weburl. ' '. $num);
Fclose ($CF);
} else {
$CF = fopen ($file, ' RW ');
$num = fgets ($CF);
$num = substr ($num, 15);
Fclose ($CF);

+ + $num;
$CF = fopen ($file, ' w ');
Fwrite ($CF, $num);
Fclose ($CF);
}
}

?>


Guest counter



 
  
  
   

  
   
Welcome to visit
  
   

  
   

  
   

  
   
  
   

  
   
You are the visitor of the first
  
    place
  
   

  
   

 
  

I want to implement a different IP address and submit it after the "you are the first ... The number of times the corresponding IP was accessed ... I use a TXT file to store the IP address and number of views, in the following format:
Cases:
192.168.0.22 5
192.168.5.44 10
......

How should this program be modified? Storage PHP HTML function Color

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------Solution--------------------
Why not save the database? Do not know how to write files to help the top.
------Solution--------------------

!--? php
//Guest counter function 
 Function counter () {
!empty ($_get[' Weburl ']) 
------ Solution--------------------
 Die (' Weburl cannot be empty '); 
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