asinh - chung-leong/qb GitHub Wiki

asinh - Inverse hyperbolic sine

float asinh( float $x )

asinh() calculates the inverse hyperbolic sine of x, i.e. the value whose hyperbolic sine is *x.

Parameters:

x - The number to process. It can be a scalar or an array.

Return Value:

The inverse hyperbolic sine of x. If x is an array, then the return value will also be an array.

Version

1.0 and above.