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<?php
session_set_cookie_params(10800);
session_start();

$datei = fopen("counter.txt","r+");
$counterstand = fgets($datei, 10);

if($counterstand=="")
	{
	$counterstand=0;
	}
	
if(!session_is_registered('counter_ip'))
	{
	$counterstand++;
	rewind($datei);
	fwrite($datei, $counterstand);
	session_register('counter_ip');
	}

echo $counterstand;
fclose($datei);
?>