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PHP implementation of lottery program code sharing that can set the probability of winning_PHP tutorial
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- 2016-07-13 10:40:44735browse
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;
?>
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