Calculates any one parameter of the Poisson distribution given values for the others.

stats_cdf_poisson

(PECL stats >= 1.0.0)

stats_cdf_poisson — Calculates any one parameter of the Poisson distribution given values for the others.

float stats_cdf_poisson ( float $par1 , float $par2 , int $which )

Warning

This function is currently not documented; only its argument list is available.