我正在尝试将 1 天添加到使用日期,strtotime但我无法让它工作。它总是返回 02/01/1970
$date = date ("d/m/Y H:i:s", filemtime($directory));
$newdate = date("d/m/Y", strtotime($date));
$tomorrow = date('d/m/Y',strtotime($newdate . "+1 days"));
echo $tomorrow; //Always return 02/01/1970