php - header() function not working after $_SESSION -

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i have big issue , can't solve it. made simple login script , worked on laptop's lamp server. happy , uploaded host, there couldn't log in. solved header() not working after $_session. current test code without login , everything:

 <?php  session_start();  $_session['test'] = 10;  header("location: anything.php");  ?>

and doesn't redirect. problem?

the problem headers have been send. is, session_start sends out several http headers. http://php.net/manual/en/function.session-start.php:

this function sends out several http headers depending on configuration. see session_cache_limiter() customize these headers.

try turning warnings , errors on (this should give warning) error_reporting(-1);. doing during development practice anyway.

if it's not that, must sending output before header. although, looking @ example code gave, that's not case.

see this nicely answered question more information problem.


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