WUq0PF - Online PHP Interpreter & Debugging Tool - Ideone.com

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<?php
 
print_r(generate_bingo_card());
exit(0);
 
final class conf
{
  const bingo_number_min =   1;
  const bingo_number_max = 100;
  const bingo_size       =   5;
  const bingo_free       = true;
}
 
function mt_shuffle(Array &$a)
{
  $p = function($p, $q)
    { return mt_rand() - (mt_getrandmax() >> 1); };
  return usort($a, $p);
}
 
function generate_bingo_card()
{
  // generate a cell numbers
  $bingo_numbers = range
    ( conf::bingo_number_min
    , conf::bingo_number_max
    );
  mt_shuffle($bingo_numbers);
  $bingo_size_sq = conf::bingo_size * conf::bingo_size;
  $card_numbers = array_slice
    ( $bingo_numbers
    , 0
    , $bingo_size_sq
    );
 
  // define cell coordinate generators
  $fa = function($a){ return       $a % conf::bingo_size ; };
  $fb = function($b){ return (int)($b / conf::bingo_size); };
 
  // generate cells
  $card = array_map
    ( null
    , array_map($fa, range(0, $bingo_size_sq - 1))
    , array_map($fb, range(0, $bingo_size_sq - 1))
    , $card_numbers
    );
 
  // set free cell
  if(conf::bingo_free)
    $card[$bingo_size_sq >> 1][2] = 0;
 
  return $card;
}

Success #stdin #stdout 0.01s 20568KB

stdin

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Standard input is empty

stdout

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Array
(
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        )

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        (
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        )

    [23] => Array
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    [24] => Array
        (
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        )

)

https://ideone.com/WUq0PF

language:

PHP (php 7.3.5)

created:

visibility:

public

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