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<?PHP
//½ñÌìÓë2004Äê10ÔÂ27ÈÕÏà²î¶àÉÙÌì
$Date_1=date("Y-m-d");
$Date_2="2004-10-27";
$d1=strtotime($Date_1);
$d2=strtotime($Date_2);
$Days=round(($d1-$d2)/3600/24);
Echo   "½ñÌìÓë2004Äê10ÔÂ27ÈÕÏà²î".$Days."Ìì";
Echo "<br>";
//½ñÌìµ½2008Äê9ÔÂ9ÈÕ»¹ÓжàÉÙÌì
$Date_1=date("Y-m-d");
$Date_2="2008-09-09";
$d1=strtotime($Date_1);
$d2=strtotime($Date_2);
$Days=round(($d2-$d1)/3600/24);
Echo   "½ñÌìµ½2008Äê9ÔÂ9ÈÕ»¹ÓÐ".$Days."Ìì";
?>
//---------------------------------------------
                   $arrayStartDate =explode("/",$myStartDate);
                   $arrayEndDate = explode("/",$myEndDate);
                  
                   $jdStartDate = cal_to_jd(CAL_GREGORIAN,$arrayStartDate[1],$arrayStartDate[0],$arrayStartDate[2]);
                   $jdEndDate = cal_to_jd(CAL_GREGORIAN,$arrayEndDate[1],$arrayEndDate[0],$arrayEndDate[2]);
      
                    $duration = $jdEndDate - $jdStartDate + 1;
ͳ¼Æ¼¸ÌìÒÔºóµ½ÆÚµÄÊý¾Ý
datediff(yxdate_star,now())
·µ»Ø ÌìÊý = yxdate_star-now()