WordPress at a glance
filter is not described

stylesheet_uri filter-hook . WP 1.5.0

Filters the URI of the current theme stylesheet.

Usage

add_filter( 'stylesheet_uri', 'filter_function_name_4571', 10, 2 );
function filter_function_name_4571( $stylesheet_uri, $stylesheet_dir_uri ){
	// filter...

	return $stylesheet_uri;
}
$stylesheet_uri(string)
Stylesheet URI for the current theme/child theme.
$stylesheet_dir_uri(string)
Stylesheet directory URI for the current theme/child theme.

Where the hook is called

get_stylesheet_uri()
stylesheet_uri
wp-includes/theme.php 232
return apply_filters( 'stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri );

Where the hook is used (in WP core)

Does not used.