Besucherzähler

$ip = $_SERVER['REMOTE_ADDR'];


   $filename = "ort.txt";


   $new_data = array();


   if (file_exists($filename))
   {
      $data = file($filename);


      $new_data = array();
      $ip_found = false;


      for ($i = 0; $i < count($data); $i++)
      {
	 $line = $data[$i];
         $values = explode("|", $line);


		 if($values[1] < time() - 1800)
		{
			continue;
		}


         if ($values[0] == $ip)
         {
            $ip_found = true;


            $values[1]= time();


            $values[3] = trim($values[3]);
	    $values[3]++;
	    $values[3] .= "\n";


            $line = implode("|", $values);
         }


         $new_data[$i] = $line;
      }


    $fp = fopen($filename, "w");
    $newfile ="";


    for($i = 0; $i < count($data); $i++)
	    $newfile .= $new_data[$i];

    if (! $ip_found)
    {
	    $newfile .= "\n".$ip . "|" . time() . "|" . time() . "|" . "1";
    }

    if ($fp)
    {
       fputs ($fp,$newfile);


       fclose($fp);
    }
    else
      echo "Datei konnte nicht zum Schreiben ge�ffnet werden";
}
else
	echo "datei existiert nicht";