1 /**  2  +----------------------------------------------------------  3  * 功能：计算两个日期相差 年 月 日  4  +----------------------------------------------------------  5  * @param date   $date1 起始日期  6  * @param date   $date2 截止日期日期  7  +----------------------------------------------------------  8  * @return array        9  +---------------------------------------------------------- 10  */11 function DiffDate($date1, $date2) { 12   if (strtotime($date1) > strtotime($date2)) { 13     $ymd = $date2; 14     $date2 = $date1; 15     $date1 = $ymd; 16   } 17   list($y1, $m1, $d1) = explode('-', $date1); 18   list($y2, $m2, $d2) = explode('-', $date2); 19   $y = $m = $d = $_m = 0; 20   $math = ($y2 - $y1) * 12 + $m2 - $m1; 21   $y = floor($math / 12); 22   $m = intval($math % 12); 23   $d = (mktime(0, 0, 0, $m2, $d2, $y2) - mktime(0, 0, 0, $m2, $d1, $y2)) / 86400; 24   if ($d < 0) { 25     $m -= 1; 26     $d += date('j', mktime(0, 0, 0, $m2, 0, $y2)); 27   } 28   $m < 0 && $y -= 1; 29   return array($y, $m, $d); 30 }