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Description: Random Generator - Lottery Numbers

Random Generator Lottery Numbers

Here the algorithm of the generator "Lottery Numbers" is described. With this random generator you can generate your lottery numbers. With a little luck you might already be the next millionaire.

Random generator "Lottery Numbers"

Click here to go to the random generator described below.

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 the lottery numbers generated?

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 lottery numbers

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

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// Intitialization
for($i = 1; $i <= $Number; $i++) $numbers[] = $i;

// Select all lottery numbers
for($i = 1; $i <= $Subset; $i++) {
	
	$index 			= random_int(0, count($numbers)-1);
	$lottery_numbers[] 	= $numbers[$index];
	unset($numbers[$index]);				// Delete entry
	$numbers 		= array_values($numbers);	// Reset indexes
	
}
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Posted on 13.12.2016 | Last modified on 16.01.2018