PHP implementation of lottery program code sharing that can set the probability of winning_PHP tutorial

Copy code The code is as follows:

/**
* Lottery
* @param int $total
*/
function getReward($total=1000)
{
$win1 = floor((0.12*$total)/100);
$win2 = floor((3*$total)/100);
$win3 = floor((12*$total)/100);
$other = $total-$win1-$win2-$win3;
$return = array();
for ($ i=0;$i<$win1;$i++)
{
$return[] = 1;
}
for ($j=0;$j<$win2;$j++)
{
$return[] = 2;
}
for ($m=0;$m<$win3;$m++)
{
$return[] = 3 ;
}
for ($n=0;$n<$other;$n++)
{
$return[] = 'Thank you for your patronage';
}
shuffle( $return);
return $return[array_rand($return)];
}

$data = getReward();
echo $data;
?>

http://www.bkjia.com/PHPjc/714948.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/714948.htmlTechArticleCopy the code as follows: ?php /*** Lottery * @param int $total*/ function getReward($total=1000) { $win1 = floor((0.12*$total)/100); $win2 = floor((3*$total)/100); $win3 = floor...