PHP. Руководство по PHP. 2005

deg2rad

deg2rad

(PHP 3>= 3.0.4, PHP 4, PHP 5)deg2rad -- Converts the number in degrees to the radian equivalent

float deg2rad (float number)

This function converts number from degrees to the radian equivalent.

Пример 1. deg2rad() example


<?php
echo deg2rad(45); // 0.785398163397
var_dump(deg2rad(45) === M_PI_4); // bool(true)
?>

Ваше письмо	×