Description:
------------
If try to setup session-functions to work without cookies, they still doesn't work when headers have already been sent

Test script:
---------------
<?
  print "foo";
  ini_set("session.use_cookies", 0);
  session_name("myname");
?>

Expected result:
----------------
foo


if user turn off "session.use_cookies", php has not to check headers in ini_set() and in any session-functions.

Actual result:
--------------
foo
Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in D:\foo.php on line 3

Warning: session_name(): Session name cannot be changed after headers have already been sent in D:\foo.php on line 4