public function getIconUnicode( $icon_class ) {
		$icon_class = $this->normalizeIconClass( $icon_class );
		$result     = false;

		if ( ! empty( $this->icons_array ) && array_key_exists( $icon_class, $this->icons_array ) ) {
			$result = $this->icons_array[ $icon_class ];
		}

		return $result;
	}