(PECL stats >= 1.0.0)
stats_dens_cauchy — Probability density function of the Cauchy distribution
stats_dens_cauchy(float $x, float $ave, float $stdev): float
Returns the probability density at x, where the random variable follows the Cauchy distribution whose location and scale are ave and stdev, respectively.
xThe value at which the probability density is calculated
aveThe location parameter of the distribution
stdevThe scale parameter of the distribution
The probability density at x or false for failure.
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https://www.php.net/manual/en/function.stats-dens-cauchy.php