PHP保留两位小数并且四舍五入及不四舍五入的方法
- WBOYOriginal
- 2016-06-13 12:47:522786browse
php保留两位小数并且四舍五入
复制代码 代码如下:
$num = 123213.666666;
echo sprintf("%.2f", $num);
php保留两位小数并且不四舍五入
复制代码 代码如下:
$num = 123213.666666;
echo sprintf("%.2f",substr(sprintf("%.3f", $num), 0, -2));
php进一法取整
复制代码 代码如下:
echo ceil(4.3); // 5
echo ceil(9.999); // 10
php舍去法，取整数
复制代码 代码如下:
echo floor(4.3); // 4
echo floor(9.999); // 9
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