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start_session() problem

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Jun 26.2003

Hi all everytime i use the start_session(); statement i get this error:

Warning: Cannot send session cookie – headers already sent by (output started at /homes/cghe11/public_html/finalsite/php/validatelogin.php:13) in /homes/cghe11/public_html/finalsite/php/validatelogin.php on line 36

Warning: Cannot send session cache limiter – headers already sent (output started at /homes/cghe11/public_html/finalsite/php/validatelogin.php:13) in /homes/cghe11/public_html/finalsite/php/validatelogin.php on line 36

anyone know why this is happening?

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PHP

3 Comments(s) ↴

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@JickJun 26.2003 — Just a suggestion, but it would probably help if you posted your code from the file your getting the error from so we can see what might be causing the problem. :p
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@ceanthauthorJun 26.2003 — ah i got it work but i might as well post the solution just in case anyone else gets this error.

I had

<?

session_start();

include 'db.php';

$result = mysql_query("SELECT * FROM staff ");

while ($r = mysql_fetch_array($result)) {

if ($r[1] == $uname) {

if ($r[2] == $pass) {

echo "we have a match";

}

}

else echo "error";

}

?>

and it gave me an error but then i put the session_start() at the top of the coding (as i had html coding b4 the <? ) and it worked.
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@pyroJun 26.2003 — PHP sessions use HTTP headers (generally, you are using cookies) and thus must be set before any content is displayed on the page -- either echoed in PHP or written in with HTML.
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