Add the current year to a post or page in WordPress by the shortcode [anno]

gistfile1.txt

<?php

/**
 * Plugin Name: Write the year by the shortcode 'anno'
 * Plugin URI: http://www.multimusen.dk
 * Description: IAITS.
 * Version: 1.0
 * Author: Per Thykjaer Jensen (inspired by the link below)
 * Author URI: http://www.multimusen.dk
 * License: (c) 2013 GPLv3

* Insert the current year by a shortcode
* Inspired by: http://wordpress.org/support/topic/creating-a-year-shortcode
**/

function year_shortcode() {
	$year = date('Y');
	return $year;
}

add_shortcode('anno', 'year_shortcode');

?>