Warning: Cannot modify header information

[tenacious_e]

Hi, i'm getting the errors below

Warning: Cannot modify header information - headers already sent by (output started at C:\Web Apps\Apache Group\Apache2\htdocs\excel.php:10) in C:\Web Apps\Apache Group\Apache2\htdocs\excel.php on line 45

Warning: Cannot modify header information - headers already sent by (output started at C:\Web Apps\Apache Group\Apache2\htdocs\excel.php:10) in C:\Web Apps\Apache Group\Apache2\htdocs\excel.php on line 46

Warning: Cannot modify header information - headers already sent by (output started at C:\Web Apps\Apache Group\Apache2\htdocs\excel.php:10) in C:\Web Apps\Apache Group\Apache2\htdocs\excel.php on line 47

Warning: Cannot modify header information - headers already sent by (output started at C:\Web Apps\Apache Group\Apache2\htdocs\excel.php:10) in C:\Web Apps\Apache Group\Apache2\htdocs\excel.php on line 48

and this is the code I am using...i've been looking for extra spaces and extra lines and I got rid of all of them..i think... but it's still not working. Any ideas???

<?php
header("Content-type: application/x-msdownload");
header("Content-Disposition: attachment; filename=extraction.xls");
header("Pragma: no-cache");
header("Expires: 0");
print "$header\n$data";
?>

[bretticus]

Silly question...

The error says output starts at line 10 on C:\Web Apps\Apache Group\Apache2\htdocs\excel.php. I don't see 10 lines in the code snippet you sent. Is that code snippet the only code in C:\Web Apps\Apache Group\Apache2\htdocs\excel.php?

The only other thing I can think of is you can set auto_prepend_file or auto_append_file in either the php.ini or Apache config file (maybe even in .htaccess). This basically tells php to include the specified file for every php script it parses.