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PHP rounding function_PHP tutorial

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Release： 2016-07-13 16:55:14
Original
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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."
";
 ?>

www.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()...
Related labels：
ceil floor php round function rounding have of statistics
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