<?
$d1 = '2004-12-01 ';
$d2 = '2004-12-05';
$dt = 24*60*60;
$bt = (strtotime($d2) - strtotime($d1))/$dt
if($bt<7)
echo "00000";
else
echo "111111";
?>
$d1 = '2004-12-01 ';
$d2 = '2004-12-05';
$dt = 24*60*60;
$bt = (strtotime($d2) - strtotime($d1))/$dt
if($bt<7)
echo "00000";
else
echo "111111";
?>
还有个分号……
$d1 = '2004-12-01 ';
$d2 = '2004-12-05';
$dt = 24*60*60;
$bt = (strtotime($d2) - strtotime($d1))/$dt;
if($bt<7)
echo "00000";
else
echo "111111";
?>
$d1 = '2004-12-01 ';
$d2 = '2004-12-05';
$dt = 24*60*60;
$bt = (strtotime($d2) - strtotime($d1))/$dt;
if ($bt < 7)
echo "00000";
else
echo "111111";
?>$bt = (strtotime($d2) - strtotime($d1))/$dt后面少分号
if和else后面的表达式不要加分号;不燃向你那样写,它一定不会输出什么的,在if和else后面的表达式后面直接加分号,它执行的是一条空语句