diff --git a/reference/math/functions/mt-srand.xml b/reference/math/functions/mt-srand.xml index 81dbdf0008..79dcdf649a 100644 --- a/reference/math/functions/mt-srand.xml +++ b/reference/math/functions/mt-srand.xml @@ -1,5 +1,5 @@ - + mt_srand @@ -54,6 +54,16 @@ and defaults to a random value if omitted. + + Since 5.2.1 + + The Mersenne Twister implementation in PHP now uses a new seeding + algorithm by Richard Wagner. Identical seeds no longer produce the same + sequence of values they did in previous versions. This behavior is not + expected to change again, but it is considered unsafe to rely upon it + nonetheless. + +