Program povece vrednost u fajlu za 1 ali javlja sledecu gresku:
"Warning: Cannot modify header information - headers already sent by (output started at C:\Program Files\Apache Group\Apache2\htdocs\nikel\insenzor\izlaz.php:

Kad postavim samo redirekt, bez brojaca, sve je Ok.
Sta da radim, kako da resim ovaj problem?
Code:
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body>
<?php
$br_fajl = "./br_1.dat";
if(!($fp = fopen($br_fajl, "r"))) die ("---");
$brojac = (int) fread($fp, 20);
fclose($fp);
$brojac++;
echo $brojac;
$fp = fopen($br_fajl, "w");
fwrite($fp, $brojac);
fclose($fp);
$url="http://localhost/index.php";
header("Location: $url");
?>
</body>
</html>
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body>
<?php
$br_fajl = "./br_1.dat";
if(!($fp = fopen($br_fajl, "r"))) die ("---");
$brojac = (int) fread($fp, 20);
fclose($fp);
$brojac++;
echo $brojac;
$fp = fopen($br_fajl, "w");
fwrite($fp, $brojac);
fclose($fp);
$url="http://localhost/index.php";
header("Location: $url");
?>
</body>
</html>