Warning: fopen(contatoree.txt) [function.fopen]: failed to open stream: Permission denied in c:\Inetpub\wwwroot\veronica\luca\enzo.php on line 5

Warning: fputs(): supplied argument is not a valid stream resource in c:\Inetpub\wwwroot\veronica\luca\enzo.php on line 6

Warning: fclose(): supplied argument is not a valid stream resource in c:\Inetpub\wwwroot\veronica\luca\enzo.php on line 7
1
ecco il codice php che ho inserito nella pagina:
<?php
$file = ("contatoree.txt");
$visite = file($file);
$visite[0]++;
$fp = fopen($file , "w");
fputs($fp , "$visite[0]");
fclose($fp);
echo $visite[0];
?>