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PHP : Function Reference : Mathematical Functions : deg2rad

deg2rad

Converts the number in degrees to the radian equivalent (PHP 4, PHP 5)
float deg2rad ( float number )

Example 1145. deg2rad() example

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<?php

echo deg2rad(45); // 0.785398163397
var_dump(deg2rad(45) === M_PI_4); // bool(true)

?>

Code Examples / Notes » deg2rad

john dot navratil

This does a simple scaling with the results that deg2rad(720) is 4PI. For navigation purposes you may wish to mod the results with 2PI.

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