WordPress at a glance
filter is not described

site_icon_meta_tags filter-hook . WP 4.3.0

Filters the site icon meta tags, so Plugins can add their own.

Usage

add_filter( 'site_icon_meta_tags', 'filter_function_name_9880' );
function filter_function_name_9880( $meta_tags ){
	// filter...

	return $meta_tags;
}
$meta_tags(array)
Site Icon meta elements.

Where the hook is called

wp_site_icon()
site_icon_meta_tags
wp-includes/general-template.php 2873
$meta_tags = apply_filters( 'site_icon_meta_tags', $meta_tags );

Where the hook is used (in WP core)

Does not used.