PHP rad2deg() - Math Functions

What is rad2deg Function?
How to convert radians number into degrees in PHP?


The "rad2deg()" function converts the radians number to the equivalent number in degrees.



In the above syntax "x" is the radian number to be converted to degrees.

Example :

$n =3.14;
$degree = rad2deg($n);
print "The value of $n in degrees is $degree";
Result :

The value of 3.14 in degrees is 179.908747671

In the above example the value of "M_PI=3.14159265359" is equivalent to 180 degree.

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