(PECL)stats_rand_gen_normal -- Generates a single random deviate from a normal distribution with mean, av, and standard deviation, sd (sd >= 0). Method : Renames SNORM from TOMS as slightly modified by BWB to use RANF instead of SUNIF.
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