Automatic copyright year

automatic-copyright-year.php

<?php
/**
 * Automatic copyright year
 *
 * @link https://css-tricks.com/snippets/php/automatic-copyright-year/
 */

function autoCopyrightYear($year = 'auto') {
    if(intval($year) == 'auto'){ $year = date('Y'); }
    if(intval($year) == date('Y')){ echo intval($year); }
    if(intval($year) < date('Y')){ echo intval($year) . ' - ' . date('Y'); }
    if(intval($year) > date('Y')){ echo date('Y'); }
}