Definition
<?
function rad2deg($arg) {
return $arg*180/pi();
}
?>
rad2deg
(PHP 4, PHP 5, PHP 7, PHP 8)
rad2deg — Converts the radian number to the equivalent number in degrees
Parameters
-
num -
A radian value
Return Values
The equivalent of num in degrees
Examples
Example #1 rad2deg() example
<?php
echo rad2deg(M_PI_4); // 45
?>
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User Contributed Notes 2 notes
money1109 at gmail dot com ¶
15 years ago
Conversion between grads and degrees
function gon2deg($gon) {
return ($gon / 400) * 360;
}
function deg2gon($deg) {
return ($deg / 360) * 400;
}
