Copyright Year Snippet for MODX Revolution

copyrightYear.php

<?php
//-----------------------------------------------------------
//  copyrightYear
//-----------------------------------------------------------
/*
 * @author: Steeve from lawebfabric
 * @website: http://www.lawebfabric.com
 * @tutorial modx website: http://www.tutocms.fr/
 */
// Usage : [[copyrightYear? &since=`2010`]] or with only the current year [[copyrightYear]]
// Param since : the year you create the website

$year       = date('Y');
$since      = isset($scriptProperties['since']) ? $since : $year;
$output     = ($year > $since) ? $since.' - '.$year : $year;
return $output;