PHP 7.1.0 Release Candidate 5 Released


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

atanhInverse hyperbolic tangent


float atanh ( float $arg )

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



The argument to process

Dönen Değerler

Inverse hyperbolic tangent of arg

Sürüm Bilgisi

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

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