Re: headers already sent

From:	pete M	Date:	Wed, 14 Apr 2004 16:49:36 +0000
Subject:	Re: headers already sent
References:	1	Groups:	php.db
Request:	Send a blank email to php-db+get-33881@lists.php.net to get a copy of this message

make susre that the <?php does not have any whitespace before it.. caught me out on a few ocassions - eg in an include file as trailing spaces pete Matthew Perry wrote:

When I insert the following header:
     header ("Content-type: application/vnd.ms-excel");
     header ("Content-Disposition: attachment" );
I get the messages: *Warning*: Cannot modify header information - headers already sent by (output started at C:\Program Files\Apache Group\Apache2\htdocs\trial.php:2) in *C:\Program Files\Apache Group\Apache2\htdocs\trial.php* on line *3* *Warning*: Cannot modify header information - headers already sent by (output started at C:\Program Files\Apache Group\Apache2\htdocs\trial.php:2) in *C:\Program Files\Apache Group\Apache2\htdocs\trial.php* on line *4 *I get similar messages when I use my web host. How do I use these headers correctly? Matt