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filter is not described

(adjacent)_post_rel_link filter-hook . WP 2.8.0

Filters the adjacent post relational link.

The dynamic portion of the hook name, $adjacent, refers to the type of adjacency, 'next' or 'previous'.

Usage

add_filter( '(adjacent)_post_rel_link', 'filter_function_name_5221' );
function filter_function_name_5221( $link ){
	// filter...

	return $link;
}
$link(string)
The relational link.

Where the hook is called

get_adjacent_post_rel_link()
wp-includes/link-template.php 1804
return apply_filters( "{$adjacent}_post_rel_link", $link );

Where the hook is used (in WP core)

Does not used.