stats_rand_gen_chisquare
(PECL)
stats_rand_gen_chisquare -- Generates random deviate from the distribution of a chisquare with "df" degrees of freedom random variable.
说明
float
stats_rand_gen_chisquare ( float df )
返回值
What the function returns, first on success, then on failure. See
also the &return.success; entity