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PHP hypot() Function

< PHP Math Reference

Example

Calculate the hypotenuse of different right-angle triangles:

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

Definition and Usage

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

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

Syntax

hypot(x,y);

Parameter	Description
x	Required. Specifies the length of first side
y	Required. Specifies the length of second side

Technical Details

Return Value:	The length of the hypotenuse
Return Type:	Float
PHP Version:	4.1+

< PHP Math Reference