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# Description: Random Generator - Throw Dice(s)

Here the algorithm of the generator "Throw Dice(s)" is described. With this cryptographically secure random generator you can throw up to 20 dices at the same time. So you do not need to have real dices, but you can simply use the virtual dices on this page.

## What is randomness?

Randomness is an event for which there is no causal explanation. This means that the result of a random generator may not be predictable or computable. This, however, contradicts the laws of each computer. In other words, a computer can not produce absolutely random numbers without additional peripherals. In this case we call it pseudo-random numbers. In general, you can philosophize about at which point you can actually speak about randomness.

## How are "thrown" the dices?

Theoretically, three different mechanisms for generating pseudo-random numbers are used in this generator, but two of them are only used to generate the binary string in the background.

### Random generator 1 and 2 for binary string

How these random generators work, is explained here in detail.

### Random generator 3 for "throwing dice(s)"

The previous random number generators produce relatively good random numbers, which, however, can further be improved. The dices are therefore always generated on server-side with the PHP function random_int(), which generates cryptographically secure pseudo-random numbers:

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```// Initialization
for(\$i = 1; \$i <= 6; \$i++) \$dices[\$i] = 0;

// For all dices
for(\$i = 1; \$i <= \$number_dices; \$i++) {

\$number = random_int(1, 6);
\$dices[\$number]++;

}```