Generating random results by weight in PHP?

Question

I know how to generate a random number in PHP but lets say I want a random number between 1-10 but I want more 3,4,5\'s then 8,9,10\'s. How is this possible? I would post wh

Answer 1

There's a pretty good tutorial for you.

Basically:

1. Sum the weights of all the numbers.
2. Pick a random number less than that
3. subtract the weights in order until the result is negative and return that number if it is.