Руководство по PHP
Пред. |  | След.

# deg2rad

(PHP 3 >= 3.0.4, PHP 4, PHP 5)

deg2rad -- Converts the number in degrees to the radian equivalent

## Description

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) ?>`

See also rad2deg().

Пред. | Начало | След.
decoct | Уровень выше | exp