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hypot

PHP function Edit on GitHub ✎

(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)

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

Description

hypot(float $x, float $y): float

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

Source: reference/math/functions/hypot.xml · from the official PHP manual (php/doc-en)