Definition: The Rad2Deg PHP Function is used to convert an angle measured in radians to one measured in degrees. It is written as rad2deg (X) where X is the measurement in radians. It will then return the equivalent measurement in degrees.
Also Known As: Radians converted to degrees
Examples:
<?php
echo(rad2deg(M_PI_4) . "<br />");
echo(rad2deg(M_PI_2) . "<br />");
echo(rad2deg(2) . "<br />");
echo(rad2deg(0) . "<br />");
?> 45
90
114.59155902616
0
