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code:

---

<?php

/*
**  counter.class
**  Object-oriented implementation of a counter in PHP
**
**  Copyright (c) 2003  Christian Rosentreter <karibu@gmx.net>
**
**  This program is free software; you can redistribute it and/or modify
**  it under the terms of the GNU General Public License as published by
**  the Free Software Foundation; either version 2 of the License, or
**  (at your option) any later version.
**
**  This program is distributed in the hope that it will be useful, but
**  WITHOUT ANY WARRANTY; without even the implied warranty of
**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**  GNU General Public License for more details.
**
**  $Id: counter.class,v 1.5 2003/03/02 00:57:15 tokai Exp $
**
**  History:
**
**  1.5 2003/03/02 - changed fputs to fwrite and removed lenght parameter
**
**  1.4 2003/02/20 - small source cleanup
**                 - extended example.php with online user counter and record
**
**  1.3 2003/02/14 - online user counter added
**                 - max online user record added
**
**  1.2 2003/02/10 - fixed a few typos
**
**  1.1 2003/02/08 - source cleanup
**                 - english comments added
**                 - example.php created
**
**  1.0 2003/02/02 - first release
*/


/*
**  You can bypass an alternative name on object initialisation, e.g.
**  $counter = new Counter("path/new.name");
*/
define ("CNT_DEFAULTFILENAME","counter.dat");

/*
**  Timeout in seconds. After time's run of a new hit by the same user counts
**  as new visit.
*/
define ("CNT_TIMEOUT",600); /* 600 = 10 minutes */



class Counter
{
    var $hits     = 0;
    var $visits   = 0;
    var $user     = 0;
    var $maxuser  = 0;

    var $ip       = 0;
    var $time     = 0;

    var $iparr    = Array();


    /* ---------------------------------------------------------------------- ----
    **
    **  constructor
    **
    **  @param  string $filename  The filename of the database.
    **  @access private
    */
    function Counter($filename)
    {
        if( !($filename) )
        {
            $filename = CNT_DEFAULTFILENAME;
        }

        $this->ReadCounter($filename);
        $this->UpdateCounter();
        $this->WriteCounter($filename);
    }


    /* ---------------------------------------------------------------------- ----
    **
    **  Reads hits, visits and logged IPs from the database file.
    **
    **  @param  string $filename The name of the file.
    **  @access private
    */
    function ReadCounter($filename)
    {
        if ( $filearr = @file($filename) )
        {
            list($this->hits,$this->visits,$this->maxuser) = explode('|',rtrim($filearr[0]));
            $this->iparr = array_slice($filearr,1);
        }
    }


    /* ---------------------------------------------------------------------- ----
    **
    **  Increases hits. If the REMOTE_ADDR (ip of user) is not logged or logged
    **  REMOTE_ADDR is timed out also the visits counter will be increased. Was
    **  the IP already in database (REMOTE_ADDR is not timed out yet), so the
    **  entry for the appropriate IP will be updated to setup the timeout again.
    **
    **  @access private
    */
    function UpdateCounter()
    {
        $this->ip       = getenv("REMOTE_ADDR");
        $this->currtime = time();

        $this->hits++;

        $do  = TRUE;
        $pos = 0;

        foreach($this->iparr as $checkip)
        {
            list($lastip,$lasttime) = explode("|",rtrim($checkip));

            if ( ($this->ip == $lastip) && (($this->currtime - $lasttime) < CNT_TIMEOUT) )
            {
                $do = FALSE;
                $mpos = $pos;
            }

            $pos++;
        }

        $this->user = $pos;
        if ($this->user > $this->maxuser)
        {
            $this->maxuser = $this->user;
        }


        $entry = $this->ip."|".$this->currtime."n";
        if ($do == FALSE)
        {
            $this->iparr[$mpos] = $entry;
        }
        else
        {
            $this->visits++;
            array_push($this->iparr,$entry);
        }

    }


    /* ---------------------------------------------------------------------- ----
    **
    **  Writes back hits and visits into the file. Additionally also all logged
    **  IPs, which don't timed out yet, are back-stored at the very same file.
    **
    **  @param  string $filename The name of the file.
    **  @access private
    */
    function WriteCounter($filename)
    {
       if ( $file = @fopen($filename,"w") )
       {
           fwrite($file,$this->hits."|".$this->visits."|".$this->maxuser." n");

           foreach($this->iparr as $checkip)
           {
               list($lastip,$lasttime) = explode("|",$checkip);

               if ( ($this->currtime - $lasttime) < CNT_TIMEOUT  )
               {
                   fwrite($file,$checkip);
               }
           }

           fclose($file);
       }
    }


    /* ---------------------------------------------------------------------- ----
    **
    **  @access public
    */
    function Hits()    { return $this->hits;    }
    function Visits()  { return $this->visits;  }
    function User()    { return $this->user;    }
    function Maxuser() { return $this->maxuser; }



} /* class Counter */

?>

---

code:

---

<?php

    require_once 'counter.class';
    $counter  = new Counter("counter.dat");

    $pageviews            = $counter->Hits();
    $besucher             = $counter->Visits();
    $gerade_online        = $counter->User();
    $gerade_online_rekord = $counter->Maxuser();
?>

<html>
<head>
    <title>example</title>
</head>
<body>
    <?php echo $besucher; ?> Besucher haben 
    <?php echo $pageviews; ?> Seitenaufrufe verursacht.  
    <br><br>
    Momentan sind gerade <?php echo $gerade_online; ?> Besucher 
    auf dieser Seite online. Der Rekord lag bei
    <?php echo $gerade_online_rekord; ?>.
</body>
</html>

---

So könnte das ausschauen... in der Tat. Aaaaaaber du wolltest ja kein fertiges Skript... dabei wäre es so einfach einzubinden!

Hoffe ich konnte trotzdem helfen!

--
taniquetil.de

[ Dieser Beitrag wurde von tokai am 03.03.2003 editiert. ]

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