lcg_value
PHP 4, PHP 5, PHP 7, PHP 8
lcg_value - Combined linear congruential generator
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.
Caution:
This function does not generate cryptographically secure values, and should not be used for cryptographic purposes. If you need a cryptographically secure value, consider using random_int, random_bytes, or openssl_random_pseudo_bytes instead.
Parameters
This function has no parameters.
Return Values
A pseudo random float value between 0.0 and 1.0, inclusive.