(PHP 4 >= 4.1.0, PHP 5, PHP 7)
asinh — Inverse hyperbolic sine
$arg
) : float
Returns the inverse hyperbolic sine of
arg, i.e. the value whose
hyperbolic sine is arg.
argThe argument to process
The inverse hyperbolic sine of arg
| Version | Description |
|---|---|
| 5.3.0 | This function is now available on all platforms |