(PECL)stats_rand_gen_f -- Generates a random deviate from the F (variance ratio) distribution with "dfn" degrees of freedom in the numerator and "dfd" degrees of freedom in the denominator. Method : directly generates ratio of chisquare variates
This function is currently not documented; only the argument list is available.
What the function returns, first on success, then on failure. See also the &return.success; entity