Convert radians to degrees:
<?phpecho rad2deg(pi()) . "<br>";echo rad2deg(pi()/4);?>The rad2deg() function converts radians to degrees.
Tip: To convert angle values to radians, check out the deg2rad() function.
rad2deg( number );
| parameter | describe |
|---|---|
| number | Required. Specifies the radian value to be converted. |
| Return value: | The angle corresponding to number . |
|---|---|
| Return type: | Float |
| PHP version: | 4+ |