Combined linear congruential generator
Math Functions
PHP Manual


(PHP 4, PHP 5)

lcg_valueCombined linear congruential generator


float lcg_value ( void )

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)

See Also

Math Functions
PHP Manual