Online PHP editor | refs for KXUXc

<?php $date_string = '2020W01'; $from = date('Y-m-d', strtotime($date_string)); $to = date('Y-m-d', strtotime($date_string . '7')); echo $from .' - '. $to .'<br/>'; $from = date('o-W', strtotime($date_string)); $to = date('o-W', strtotime($date_string .'7')); echo $from .' - '. $to .'<br/>'; $from = date('o-W', mktime(0,0,0,12,30,2019)); echo $from;