Get author ID of a post in wordpress

Question

Im creating a loop where it pulls info about a users activity. the code is on the author page and what i want to to is get the current author ID, so based on what author page th

Answer 1

On an author archive the following will get the author ID:

$author_ID = get_query_var('author');

This will get you a lot more information:

$pageobj = get_queried_object();

Reference:

http://codex.wordpress.org/Function_Reference/get_query_var
http://codex.wordpress.org/Function_Reference/get_queried_object