counter script issue (w/sessions)

darkke

I'm rather new to php, and here's the situation:

I wrote this script that opens a session, logs the ip/hostname
of the user, and writes the info on a new line in a text file. The session sets a variable so that only 'new' page requests are written.

The script works fine, but what I am confounded by is trying to implement a counter that writes the number of unique page requests at the top of the same text file.

allow me to further illustrate by showing an example of the text file:

NUMBER OF HITS:

10.112.32.103 [10.112.32.103] visited /test_stuff/fopen_test.php on: 12-02-2003 at 13:44:08
10.112.32.103 [10.112.32.103] visited /test_stuff/fopen_test.php on: 12-02-2003 at 13:44:08

What I'm trying to do is write the number of total unique hits right after where it says "NUMBER OF HITS" in the textfile. I've tried dabbling in implode(), fseek(), ad nauseum, but this has me stumped...

Anyone?

Here's the script:

<?php
session_start();

$filename = "count_hits.txt"; 

if(!getenv("REMOTE_HOST"))	{ 
	$_SESSION['user'] = getenv("REMOTE_ADDR");
}
else	{
	$_SESSION['user'] = getenv("REMOTE_HOST")." [".getenv("REMOTE_ADDR")."]";
}	

$_SESSION['time'] = date("d-m-Y \a\\t G:i:s");
$fp =@fopen($filename,"ab") or
die ("error opening counter file");

if(!isset($_SESSION['repeat']))	{ 
$_SESSION['repeat']= "yes";	

$message = "\n*".$_SESSION['user']." visited ";
$message .= getenv("SCRIPT_NAME");
$message .= " on: ".$_SESSION['time']."*";

@fwrite($fp,$message); 
@fclose($fp);
}

?>

drtebi

Hello,
below is a working example of what you are trying to do. Make sure that the count_hits.txt file is empty at first.
As you can see, I am first getting the number of hits by reading the first line, and using substring to only get the number (after the 15th character, the ":").
Then I add one to the hits variable. After that, I read the rest of the original file into $content, then I rewind to the beginning of the file, write the unique number, the original content, and at the end I add the new message... hope you understand, and that this is what you wanted to do.

<?php
session_start();

$filename = "count_hits.txt"; 

if(!getenv("REMOTE_HOST")){ 
	$_SESSION['user'] = getenv("REMOTE_ADDR");
}
else{
	$_SESSION['user'] = getenv("REMOTE_HOST")." [".getenv("REMOTE_ADDR")."]";
}	

$_SESSION['time'] = date("d-m-Y \a\\t G:i:s");
$fp =@fopen($filename,"r+") or die ("error opening counter file");
	if(!isset($_SESSION['repeat'])){
	$_SESSION['repeat']= "yes";	

  // get number of hits
  $hits = (int) substr(fgets($fp, 100), 15);
  // add one hit
  $hits++;

  // get the original content
  $content = fread($fp, filesize($filename));

  // rewind file pointer and write new content
  rewind($fp);
  fwrite($fp, "NUMBER OF HITS:".$hits."\n");
  fwrite($fp, $content);

  // create message and add it to end of file
	$message = "\n*".$_SESSION['user']." visited ";
	$message .= getenv("SCRIPT_NAME");
	$message .= " on: ".$_SESSION['time']."*";

fwrite($fp,$message);
fclose($fp);
}

?>

buildingblk

I would suggest usuing the function parse_ini_file(). As long as you set up your page to have the page_hit on the first line, you would do something like this....

$array = parse_ini_file('name of file');
foreach($array as $key => $value)
{
$numhits[$key] = $value
}

then you could access the count by

$numhits[0] or $numhits['Number of hits']

Hope this helps a bit....
I am in the process of writing a counter class (simple one) if you would like to check up on my progress for possible usage...let me know 🙂

darkke

Thanks, drtebi, the script is working great. That had me frustrated. Now my much-abused cerebrum can rest😉

darkke

I would like to see what you've done, buildingblk. I've played around w/ classes a little in PHP. Most of my experience in OOP comes from JS. I wrote a very simple php class to post news to my site (http://www.infernum.ws) if you want to check it out.