PHP 7.1.24 Released


(PHP 4 >= 4.1.0, PHP 5, PHP 7)

acoshInverse hyperbolic cosine


float acosh ( float $arg )

Returns the inverse hyperbolic cosine of arg, i.e. the value whose hyperbolic cosine is arg.



The value to process

Dönen Değerler

The inverse hyperbolic cosine of arg

Sürüm Bilgisi

Sürüm: Açıklama
5.3.0 This function is now available on all platforms

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