WordPress at a glance
filter is not described

tag_link filter-hook . WP 2.3.0

Filters the tag link.

Usage

add_filter( 'tag_link', 'filter_function_name_1905', 10, 2 );
function filter_function_name_1905( $termlink, $term_id ){
	// filter...

	return $termlink;
}
$termlink(string)
Tag link URL.
$term_id(int)
Term ID.

Changelog

Since 2.3.0 Introduced.
Since 2.5.0 Deprecated in favor of {@see 'term_link'} filter.
Since 5.4.1 Restored (un-deprecated).

Where the hook is called

get_term_link()
tag_link
wp-includes/taxonomy.php 4378
$termlink = apply_filters( 'tag_link', $termlink, $term->term_id );

Where in WP core the hook is used WordPress

Usage not found.