Código PHP:
   <?php
session_start();
?>    Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at C:\AppServ\www\sesion.php:9) in C:\AppServ\www\sesion.php on line 10
Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at C:\AppServ\www\sesion.php:9) in C:\AppServ\www\sesion.php on line 10
alguien sabe porque ocurre?
 
  
 
 problema con session_start ()
 problema con session_start () 

