This seems to work in other cases.
I write
$_SESSION['something'] = 'something else';
echo $_SESSION['something'];
It doesn't write and it doesn't persist.
However if I write
ech $_SESSION['something'] = 'something else';
and then
echo $_SESSION['something']= 'something else';
it at least writes this (the second time), but it doesn't persist past the page. any ideas why?
Sam