deg2rad
(PHP 4, PHP 5)
deg2rad —
Converts the number in degrees to the radian equivalent
Description
float deg2rad
( float $number
)
Parameters
-
number
-
Angular value in degrees
Return Values
The radian equivalent of number
Examples
Example #1 deg2rad() example
<?php
echo deg2rad(45); var_dump(deg2rad(45) === M_PI_4); ?>