deg2rad

(PHP 4, PHP 5, PHP 7)

deg2rad Converts the number in degrees to the radian equivalent

Descrierea

deg2rad ( float $num ) : float

This function converts num from degrees to the radian equivalent.

Parametri

num

Angular value in degrees

Valorile întoarse

The radian equivalent of num

Exemple

Example #1 deg2rad() example

<?php

echo deg2rad(45); // 0.785398163397
var_dump(deg2rad(45) === M_PI_4); // bool(true)

?>

A se vedea și

  • rad2deg() - Converts the radian number to the equivalent number in degrees

add a note add a note

User Contributed Notes 1 note

up
-2
christian dot ubu at NOSPAMHERE dot gmail dot com
15 years ago
Never use deg2rad() in loops, use $rad = ($deg * M_PI / 180) instead which is faster!
To Top