get_stylesheet_directory(): string

201function get_stylesheet_directory() {202	$stylesheet     = get_stylesheet();203	$theme_root     = get_theme_root( $stylesheet );204	$stylesheet_dir = "$theme_root/$stylesheet";205 206	/**207	 * Filters the stylesheet directory path for the active theme.208	 *209	 * @since 1.5.0210	 *211	 * @param string $stylesheet_dir Absolute path to the active theme.212	 * @param string $stylesheet     Directory name of the active theme.213	 * @param string $theme_root     Absolute path to themes directory.214	 */215	return apply_filters( 'stylesheet_directory', $stylesheet_dir, $stylesheet, $theme_root );216}