PHP rounding function_PHP tutorial

Here are statistics on a large number of rounding functions in PHP, including round(), ceil(), floor(), etc. Friends in need can refer to it.

代码如下	复制代码
$s = rand(100,200); $pi=pi(); $r=sqrt($s/$pi); $qz1=round($r); //四舍五入取整 $qz2=ceil($r); //进一法取整 $qz3=floor($r); //舍去法取整 echo "随机产生的圆的面积为：".$s." ";   echo "通过除法和开方计算出的圆的半径为：".$r." ";   echo "四舍五入取整后：".$qz1." ";   echo "进一法取整后：".$qz2." ";   echo "舍去法取整后：".$qz3." ";  ?>

http://www.bkjia.com/PHPjc/631692.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/631692.htmlTechArticleHere are statistics on a large number of rounding functions in php, including round(), ceil(), floor(), etc. , friends in need can refer to it. The code is as follows Copy the code ?php $s = rand(100,200); $pi=pi()...