Description[]
acosh returns the inverse hyperbolic cosine of given argument.
Note: This function is not available on windows systems!
Parameters[]
| {{{returns}}} acosh (float argument) |
Parameter Infos[]
| Parameter | PHP Version | Type |
| acos | 4 >= 4.0.7 or 5 | returns float |
| argument | 4 >= 4.0.7 or 5 | float |
- For more details on this function, visit its entry in the php manual.