rand() function
$RandomValue = rand($MinValue, $MaxValue);rand does not generate cryptographically secure values, and should not be used for cryptographic purposes.
Min and max are inclusive.
mt_rand() used to be used in place of ran() because it was faster, but from PHP7.1 rand uses same as mt_rand.
Cryptographically secure random number generators
random_int()
random_bytes()
openssl_random_pseudo_bytes()
USEFUL?
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