各位DX帮忙,多谢
$mon1=$mon+1;
$timestart = strtotime ("1 ".$mon." 2004 00:00:00");
$timeend = strtotime ("1 ".$mon1." 2004 00:00:00");
$msql->query("select * from member where site='$uid' and ifok='1' and daytime>='$timestart' and daytime<'$timeend'");
echo $timestart竟然等于-1,是怎么回事啊?