ho risolto le variabili, pero' ha il problema header:

//header info for browser: determines file type ('.doc' or '.xls')
header("Content-Type: application/$file_type");
header("Content-Disposition: attachment; filename=prova1.$file_ending");
header("Pragma: no-cache");
header("Expires: 0");







Warning: Cannot modify header information - headers already sent by (output started at c:\programmi\easyphp1-8\www\salvastep2.php:8) in c:\programmi\easyphp1-8\www\salvastep2.php on line 139

Warning: Cannot modify header information - headers already sent by (output started at c:\programmi\easyphp1-8\www\salvastep2.php:8) in c:\programmi\easyphp1-8\www\salvastep2.php on line 140

Warning: Cannot modify header information - headers already sent by (output started at c:\programmi\easyphp1-8\www\salvastep2.php:8) in c:\programmi\easyphp1-8\www\salvastep2.php on line 141

Warning: Cannot modify header information - headers already sent by (output started at c:\programmi\easyphp1-8\www\salvastep2.php:8) in c:\programmi\easyphp1-8\www\salvastep2.php on line 142