PHP rad2deg() Function

PHP Math Function

Definition and Usage

The rad2deg() function converts radian numbers to degree numbers.

Syntax

rad2deg(radian_number)
Parameter Description
radian_number Required. Specifies the radian to be converted.

Description

This function will radian_number Convert radians to degrees.

Example

<?php
$rad = M_PI;
$deg = rad2deg($rad);
echo "$rad radians is equal to $deg degrees";
?>

Output similar to:

3.14159265359 radians is equal to 180 degrees

PHP Math Function