PHP Manual
Statistic Functions
Generates a random deviate from the exponential distribution

stats_rand_gen_exponential

(PECL stats >= 1.0.0)

stats_rand_gen_exponential — Generates a random deviate from the exponential distribution

Description

stats_rand_gen_exponential(float $av): float

Returns a random deviate from the exponential distribution of which the scale is av.

Parameters

av: The scale parameter

Return Values

A random deviate

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