php測試題（一）

header("content-type:text/html;charset=utf-8");

function diffdate($date1,$date2)

list($y1,$m1,$d1)=explode('-',$date1);   //把陣列中的值賦給一些變數：

list($y2,$m2,$d2)=explode('-',$date2);

$y=$y2-$y1;

$m=$m2-$m1;

$d=$d2-$d1;

if($d<0)

if($m<0)

return array('year'=>$y,'month'=>$m,'day'=>$d);

}$arr=(diffdate('2016-08-04','1994-8-8'));

echo "您今年".$arr['year']."歲了";

header("content-type:text/html;charset=utf-8");

function birthday($birthday)

list($y1,$m1,$d1) = explode("-",date("y-m-d",$age));  //list()把陣列中的值賦給一些變數：

$now = strtotime("now");

list($y2,$m2,$d2) = explode("-",date("y-m-d",$now));  //explode()將字串分割陣列

$age = $y2 - $y1;

if((int)($m2.$d2) < (int)($m1.$d1))

$age -= 1;

return $age;

}echo birthday('1997-03-24');