deg2rad - chung-leong/qb GitHub Wiki
deg2rad - Converts a number in degrees to the radian equivalent
float deg2rad ( float $x )
deg2rad() converts x from degrees to the radian equivalent.
Parameters:
x - The angular value in degrees. It can be a scalar or an array.
Return Value:
The radian equivalent of x. If x is an array, the result value will also be an array.
Currently, det() will only accept 2x2, 3x3, and 4x4 matrices.
Version
1.0 and above.