WordPress at a glance
filter is not described

get_custom_logo filter-hook . WP 4.5.0

Filters the custom logo output.

Usage

add_filter( 'get_custom_logo', 'filter_function_name_4746', 10, 2 );
function filter_function_name_4746( $html, $blog_id ){
	// filter...

	return $html;
}
$html(string)
Custom logo HTML output.
$blog_id(int)
ID of the blog to get the custom logo for.

Changelog

Since 4.5.0 Introduced.
Since 4.6.0 Added the $blog_id parameter.

Where the hook is called

get_custom_logo()
get_custom_logo
wp-includes/general-template.php 1003
return apply_filters( 'get_custom_logo', $html, $blog_id );

Where the hook is used (in WP core)

Usage not found!