wp-includes/post.php:3286Makes a post sticky.
$post_idintOne hook fires while stick_post() runs, in this order:
Fires once a post has been added to the sticky list.
function stick_post( $post_id ) { $post_id = (int) $post_id; $stickies = get_option( 'sticky_posts' ); $updated = false; if ( ! is_array( $stickies ) ) { $stickies = array(); } else { $stickies = array_unique( array_map( 'intval', $stickies ) ); } if ( ! in_array( $post_id, $stickies, true ) ) { $stickies[] = $post_id; $updated = update_option( 'sticky_posts', array_values( $stickies ) ); } if ( $updated ) { /** * Fires once a post has been added to the sticky list. * * @since 4.6.0 * * @param int $post_id ID of the post that was stuck. */ do_action( 'post_stuck', $post_id ); }}Introduced in 2.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/post.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.