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Error:"Cannot modify header information" why?

luke14free
P: 79
Do you know why do I get that message when i type a normal setcookie function??

Warning: Cannot modify header information - headers already sent by (output started at c:\programmi\easyphp1.8\www\home.php:5) in c:\programmi\easyphp1.8\www\functions.php on line 92

Thanks
May 26 '07 #1
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3 Replies


pbmods
Expert 5K+
P: 5,821
Do you know why do I get that message when i type a normal setcookie function??
Yes.

For five dollars.

hehe just kidding there.

You're getting that message because your script is outputting something before that statement, specifically on line 5.

Move your setcookie statement to the top of your script (or as close to the top as you can logistically keep it) and eliminate any HTML and/or whitespace before your opening <?php tag.
May 27 '07 #2

luke14free
P: 79
Eheh! five dollars is too much :D
Thanks dude. I resolved that problem using sessions.
Bye!
May 27 '07 #3

Atli
Expert 5K+
P: 5,058
Hi.

Just thought I should add this.

Seing as this error is caused because you have already sent the headers to the browser, you can avoid this error by buffering the output and releasing it only when you are ready, using the ob functions.

For example:
Expand|Select|Wrap|Line Numbers
  1. ob_start();
  2. echo "Hello";
  3. header("Content-type: text/html");
  4. ob_end_flush();
  5.  
Without the ob functions this code would produce the error you encountered.
May 27 '07 #4

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