DevConf 2015

atanh

(PHP 4 >= 4.1.0, PHP 5)

atanhInverse hyperbolic tangent

Descrierea

float atanh ( float $arg )

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

Parametri

arg

The argument to process

Valorile întoarse

Inverse hyperbolic tangent of arg

Istoricul schimbărilor

Versiune Descriere
5.3.0 This function is now available on all platforms

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