public static function create_section( $course_id, $title = '' ) {

		llms_deprecated_function( __METHOD__, '5.7.0' );

		// No course id? no new section!.
		if ( ! isset( $course_id ) ) {
			return;
		}

		// Set the section_order variable.
		// Get the count of sections in the course and add 1.
		$course        = new LLMS_Course( $course_id );
		$sections      = $course->get_sections( 'posts' );
		$section_order = count( $sections ) + 1;

		$title = isset( $title ) ? $title : 'New Section';

		$post_id = self::create( 'section', $title );

		// If post created set parent course and order to order determined above.
		if ( $post_id ) {
			update_post_meta( $post_id, '_llms_order', $section_order );

			$section               = new LLMS_Section( $post_id );
			$updated_parent_course = $section->set_parent_course( $course_id );
		}

		return $post_id;
	}