Math Functions
PHP Manual

hypot

Calculate the length of the hypotenuse of a right-angle triangle

Description

float hypot ( float $x , float $y )

hypot returns the length of the hypotenuse of a right-angle triangle with sides of length x and y, or the distance of the point (x, y) from the origin. This is equivalent to sqrt(x*x + y*y).

Parameters

x

Length of first side

y

Length of second side

Return Values

Calculated length of the hypotenuse