PHP: acosh() function

Last update on August 19 2022 21:51:15 (UTC/GMT +8 hours)

Description

The acosh() function returns the inverse hyperbolic cosine of a number.

Note: This function was not compatible on windows platform before 5.3.0 version.

Version:

(PHP 4 and above)

Syntax:

acosh(number)

Parameter:

Name	Description	Required / Optional	Type
number	Numeric value.	Required	Float

Return value:

The inverse hyperbolic cosine of value.

Value Type: Float.

See also

PHP Function Reference

Previous: acos
Next: asin