WordPress at a glance
filter is not described

icon_dirs filter-hook . WP 2.5.0

Filters the list of icon directory URIs.

Usage

add_filter( 'icon_dirs', 'filter_function_name_3578' );
function filter_function_name_3578( $uris ){
	// filter...

	return $uris;
}
$uris(array)
List of icon directory URIs.

Changelog

Since 2.5.0 Introduced.

Where the hook is called

wp_mime_type_icon()
icon_dirs
wp-includes/post.php 5891
$dirs       = apply_filters( 'icon_dirs', array( $icon_dir => $icon_dir_uri ) );

Where the hook is used (in WP core)

Usage not found!