Wordpress Get the Page ID outside the loop

Solution for : Wordpress Get the Page ID outside the loop

Since 3.1 - recommended!

// Since 3.1 - recommended!
$page_object = get_queried_object();
$page_id     = get_queried_object_id();

"Dirty" pre 3.1

// "Dirty" pre 3.1
global $wp_query;

$page_object = $wp_query->get_queried_object();
$page_id     = $wp_query->get_queried_object_id();