WordPress at a glance
function is not described

atom_site_icon() WP 4.3.0

Displays Site Icon in atom feeds.

  • See: get_site_icon_url()

No Hooks.

Return

Nothing (null).

Usage

atom_site_icon();

Code of atom site icon: wp-includes/feed.php VER 5.1.1

<?php
function atom_site_icon() {
	$url = get_site_icon_url( 32 );
	if ( $url ) {
		echo "<icon>$url</icon>\n";
	}
}