deg2rad
deg2rad
(PHP 4, PHP 5, PHP 7)
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.
Parameters
-
number -
Angular value in degrees
Return Values
The radian equivalent of number
Examples
Example #1 deg2rad() example
<?php echo deg2rad(45); // 0.785398163397 var_dump(deg2rad(45) === M_PI_4); // bool(true) ?>
See Also
- rad2deg() - Converts the radian number to the equivalent number in degrees
© 1997–2017 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.deg2rad.php
