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filter is not described

wp_unique_term_slug filter-hook . WP 4.3.0

Filters the unique term slug.

Usage

add_filter( 'wp_unique_term_slug', 'filter_function_name_2261', 10, 3 );
function filter_function_name_2261( $slug, $term, $original_slug ){
	// filter...

	return $slug;
}
$slug(string)
Unique term slug.
$term(object)
Term object.
$original_slug(string)
Slug originally passed to the function for testing.

Where the hook is called

wp_unique_term_slug()
wp-includes/taxonomy.php 2573
return apply_filters( 'wp_unique_term_slug', $slug, $term, $original_slug );

Where the hook is used (in WP core)

Does not used.