WordPress at a glance
filter is not described

is_sticky filter-hook . WP 5.3.0

Filters whether a post is sticky.

Usage

add_filter( 'is_sticky', 'filter_function_name_5425', 10, 2 );
function filter_function_name_5425( $is_sticky, $post_id ){
	// filter...

	return $is_sticky;
}
$is_sticky(true/false)
Whether a post is sticky.
$post_id(int)
Post ID.

Changelog

Since 5.3.0 Introduced.

Where the hook is called

is_sticky()
is_sticky
wp-includes/post.php 2286
return apply_filters( 'is_sticky', $is_sticky, $post_id );

Where the hook is used (in WP core)

Usage not found!