Backend Development 1 min read
PHP atanh() Function – Inverse Hyperbolic Tangent
The article explains PHP’s atanh() function, which computes the inverse hyperbolic tangent of a float argument, detailing its signature, parameter, return value, and providing sample code with expected outputs for various inputs.
Laravel Tech Community
Laravel Tech Community
atanh() returns the inverse hyperbolic tangent of a given float argument.
Signature: float atanh(float $arg)
Parameter: $arg – the value to be processed.
Return value: The inverse hyperbolic tangent of $arg .
Example:
";
echo atanh(0.50)."
";
echo atanh(-0.50)."
";
echo atanh(1)."
";
echo atanh(-1)."
";
?>Output:
1.0593061708232
0.54930614433405
-0.54930614433405
INF
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