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Combined linear congruential generator (PHP 4, PHP 5)
float lcg_value ( )

lcg_value() returns a pseudo random number in the range of (0, 1). The function combines two CGs with periods of 2^31 - 85 and 2^31 - 249. The period of this function is equal to the product of both primes.

Return Values

A pseudo random float value in the range of (0, 1)