WordPress at a glance
filter is not described

get_tags filter-hook . WP 2.3.0

Filters the array of term objects returned for the 'post_tag' taxonomy.

Usage

add_filter( 'get_tags', 'filter_function_name_1013', 10, 2 );
function filter_function_name_1013( $tags, $args ){
	// filter...

	return $tags;
}
$tags(array)
Array of 'post_tag' term objects.
$args(array)
An array of arguments. @see get_terms()

Where the hook is called

get_tags()
wp-includes/category.php 283
$tags = apply_filters( 'get_tags', $tags, $args );

Where the hook is used (in WP core)

Does not used.