Currently logged in user details store in global variable current_user.
global $current_user;
echo $current_user->id; echo $current_user->user_name;
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Currently logged in user
Tue, 07/27/2010 - 14:05 — sridhar_piCurrently logged in user details store in global variable current_user.
global $current_user;
echo $current_user->id;
echo $current_user->user_name;