(PHP 4, PHP 5, PHP 7)
lcg_value — Combined linear congruential generator
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.
A pseudo random float value in the range of (0, 1)