questo e' il file completo, che si chiama "nomeFile.php"
//NON CASHARE LE VARIABILI
// Data passata
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
// sempre modificato
header("Cache-Control: no-store, no-cache, must-revalidate"); // HTTP/1.1
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache"); // HTTP/1.0
$filename = "db.txt";
$handle = fopen($filename, "a+");
$contents = fread($handle, filesize($filename));
fclose($handle);
echo "output=".$contents;

Rispondi quotando
