我明白15 mod 5 = 0,因为没有剩余部分。为什么15.5 mod 5 = 0?
但为什么15.5 mod 5 == 0呢?还有没有.5?
$time = "15.5";
$interval = 5.0;
if($time % $interval == 0)
echo "it's time!";
else
echo "not time";
//Outputs: it's time!
我明白15 mod 5 = 0,因为没有剩余部分。为什么15.5 mod 5 = 0?
但为什么15.5 mod 5 == 0呢?还有没有.5?
$time = "15.5";
$interval = 5.0;
if($time % $interval == 0)
echo "it's time!";
else
echo "not time";
//Outputs: it's time!
@Thilo看来是PHP从URL例子... – HeatfanJohn 2012-07-16 01:24:33