{$adjacent}_post_link – Hook | Developer.WordPress.org

apply_filters( “{$adjacent}_post_link”, string $output, string $format, string $link, WP_Post|string $post, string $adjacent )

Filters the adjacent post link.

Description

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

Possible hook names include:

$outputstring: The adjacent post link.
$formatstring: Link anchor format.
$linkstring: Link permalink format.
$postWP_Post|string: The adjacent post. Empty string if no corresponding post exists.
$adjacentstring: Whether the post is previous or next.

return apply_filters( "{$adjacent}_post_link", $output, $format, $link, $post, $adjacent );

Used by	Description
get_adjacent_post_link()`wp-includes/link-template.php`	Retrieves the adjacent post link.

Version	Description
4.2.0	Added the `$adjacent` parameter.
2.6.0	Introduced.

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