deg2rad

Converts the number in degrees to the radian equivalent

Description

float deg2rad(float $num)

This function converts num from degrees to the radian equivalent.

Parameters

num: Angular value in degrees

Return Values

The radian equivalent of num

Examples

Example #1 deg2rad example

<?php

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

?>

See Also

rad2deg