PHP hypot() 函数

hypot() 函数是PHP的数学函数。它用于计算直角三角形的斜边长度。它返回直角三角形的斜边长度，该三角形的两边长度分别为 x 和 y。

语法

float hypot ( float x , floaty )

hypot() 返回一个直角三角形的斜边长度，该三角形的两条边长分别为x和y。

示例1

<?php
 echo "Your Number is (3,4)";
 echo "<br>"."By using 'hypot()' Function your Value is ".hypot(3,4);
?>

输出:

Your Number is (3,4)
By using 'hypot()' Function your Value is 5

示例2

<?php
 echo "Your Number is (4,6)";
 echo "<br>"."By using 'hypot()' Function your Value is ".hypot(4,6);
?>

输出：

Your Number is (4,6)
By using 'hypot()' Function your Value is 7.211102550928

示例3

<?php
 echo "Your Number is (1,3)";
 echo "<br>"."By using 'hypot()' Function your Value is ".hypot(1,3);
?>

输出：

Your Number is (1,3)
By using 'hypot()' Function your Value is 3.1622776601684

示例4

<?php
 echo "Your Number is (3*3+4*4) ";
 echo "<br>"."By using 'hypot()' Function your Value is ".sqrt(3*3+4*4);
?>

输出：

Your Number is (3*3+4*4) 
By using 'hypot()' Function your Value is 5