Posted by Jerry Stuckle on 08/12/06 03:26

dawnerd wrote:
> Platero wrote:
>
>>Hi,
>>I've a stupid question but...
>>
>>The code is the following:
>>
>>if(($role!='tutor')&&(array_key_exists('tutor_id',$_GET)))
>> {
>> $possible_ids = array(2,6,7,8,9,10);
>> $t_id = $_GET['tutor_id'];
>>
>> if(in_array($t_id, $possible_ids)){
>>
>> $query="SELECT id_class FROM class WHERE
>>id_user='".$_GET['tutor_id']."'";
>>
>> $id_class=$db->get_field($query,id_class);
>>
>> include("print_data.php");
>>
>> $formButtonLabel = "Modifica";
>>
>> }
>>
>> --->else
>>
>> {
>>
>> //$my_echo = "hello";
>> //echo $my_echo;
>>
>> //header('Location: http://www.google.com');
>> //exit();
>> }
>>
>> }
>>
>>
>>
>>
>>What happens:
>>
>>if in the array there's what you have in $_GET, anything works.
>>
>>It's the else block that matters: :-)
>>- if I ONLY print $my_echo, no problems;
>>- if I comment $my_echo and I leave the header() uncommented, this
>>command doesn't work (that is, the page does not redirect);
>>
>>What is happening?
>>How can I solve this?
>>
>>I tried (in the else block) the headers_sent function too:
>>
>>if (headers_sent()) {
>> $my_echo = "sent";
>> echo $mioeco;
>> }
>>
>>and it seems headers are sent, but maybe before I try to redirect.
>>Is there a way to "clean" the headers already sent??
>>
>>Thanks very much,
>>Platero
>
>
> Use output buffering, should fix your problem.
>

Better to find and fix the problem than unnecessarily add overhead by
buffering the output.

Output buffering has its uses. But to use it to get around a problem in
the code is not a good idea, IMHO.

--
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
==================

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