February 12, 2011 
Definition:
function is_sticky( $post_id = 0 ) {}
Check if post is sticky.
Sticky posts should remain at the top of The Loop. If the post ID is not given, then The Loop ID for the current post will be used.
Parameters
- int $post_id: Optional. Post ID.
Return values
returns:Whether post is sticky.
Source code
function is_sticky( $post_id = 0 ) {
$post_id = absint( $post_id );
if ( ! $post_id )
$post_id = get_the_ID();
$stickies = get_option( 'sticky_posts' );
if ( ! is_array( $stickies ) )
return false;
if ( in_array( $post_id, $stickies ) )
return true;
return false;
}
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