[PHP] Strange Behaviour of cookies

[Haseeb Iqbal]

Hi all,
don't know for sure if this is heppening to me only or there are others who faced the 
same problem
here is whats wrong
when ever i set a cookie it didn't get set even i refresh the page (with php header 
function) but then i echo something on the page and then use HTML meta refresh the 
cookie becomes availble on the next page.
what is it that i am missing here.
Haseeb