PHP Tutorial - PHP hypot() Function






Definition

The hypot() function calculates the hypotenuse of a right-angle triangle.

Syntax

PHP hypot() Function has the following syntax.

hypot(x,y);

Parameter

ParameterIsRequired Description
xRequired.Length of first side
yRequired.Length of second side

Return

Item Description
Return Value The length of the hypotenuse
Return Type Float




Note

This function is equivalent to sqrt(x*x + y*y).

Example

Calculate the hypotenuse of different right-angle triangles:


<?php
echo hypot(3,4) . "\n";
echo hypot(4,6) . "\n";
echo hypot(1,3) . "\n";
echo sqrt(3*3+4*4);
?>

The code above generates the following result.