PHP implementation Simple Shuffle algorithm _php tutorial

As shown below:
Copy CodeThe code is as follows:
/**
* Simple Shuffle algorithm
*/

$card _num=54; Number of Cards
Print_r (Wash_card ($card _num));

function Wash_card ($card _num)
{
$cards = $tmp =array ();
for ($i =0; $i < $card _num; $i + +) {
$tmp [$i]= $i;
}

for ($i =0; $i < $card _num; $i + +) {
$index =rand (0, $card _num-$i-1);
$cards [$i]= $tmp [$index];
Unset ($tmp [$index]);
$tmp =array_values ($tmp);
}
return $cards;
}
?>

http://www.bkjia.com/PHPjc/327706.html www.bkjia.com true http://www.bkjia.com/PHPjc/327706.html techarticle as follows: Copy the code as follows: PHP/** * Simple Shuffle Algorithm */$card _num=54;//card number Print_r (Wash_card ($card _num)); function Wash_card ($card _num) {$cards = $tmp =array () ...

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