PHP SESSION need urgent help

[canishk]

am trying to implement session variables in my new php project.

 

I would like to know can i set and get variables in session...

 

my current program contains:

 

page 1:

 

 

              session_start();
         $_SESSION['$uid']=$u;

 

 

 

page 2:

 

 

 

session_start();
       $u=$_SESSION['$uid'];
       echo("$u");

 

 

but i got this warning with the result..

 

 

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent

 

how can i solve this??

 

please help

[d.shankar]

Page1.php

 

<?php

session_start();

$_SESSION['$uid']="Hello";

?>

 

 

Page2.php

 

<?php

session_start();

$u=$_SESSION['$uid'];

echo($u);

?>

 

Check out this.

[GingerRobot]

The problem is that you're sending some data to the browser prior to the session_start() function, which you cannot do. This could be just whitespace - for instance, if you're opening php tag is after any whitespace character, you will get this error. Check this thread:

 

http://www.phpfreaks.com/forums/index.php/topic,37442.0.html

[localhost1]

the variable u r assigning in first page n second are same so change code of second page to this

 

session_start();
       $v=$_SESSION['$uid'];
       echo("$v");