It then generates a number from 0 to the maximum number, loops through it to see which interval it belongs to, and returns the key for that interval.
| The code is as follows |
Copy Code |
| $prize = Array (
1 => 3.5,//3.5% probability
2 => 2.5,
3 => 6,
4 => 2,
5 => 42,//42% probability
6 => 36,
7 => 2,
8 => 4,
9 => 2
);
Finally confirm that the addition equals 100
$prizeList = Array (
1 => Array (' Little fairy '),
2 => Array (' 5Q currency '),
3 => Array (' 38888 game currency '),
4 => Array (' 88888 game currency '),
5 => Array (' Thank you for participating! '),
6 => Array (' Welcome to come back next time! '),
7 => Array (' 10Q currency '),
8 => Array (' 888 Silver dollar Treasure (binding) '),
9 => Array (' Random advanced Mount (binding) ')
);
Unset ($prize [7]); Get rid of the 10Q prize directly.
$times = 10;
$max = 0;
foreach ($prize as $k => $v)
{
$max = $v * $times + $max;
$row [' V '] = $max;
$row [' k '] = $k;
$prizeZone [] = $row;
}
$max--; Critical value
$rand = Mt_rand (0, $max);
$zone = 1;
foreach ($prizeZone as $k => $v)
{
if ($rand >= $v [' V '])
{
if ($rand >= $prizeZone [$k + 1][' V '])
{
Continue
}
Else
{
$zone = $prizeZone [$k + 1][' K '];
Break
}
}
$zone = $v [' K '];
Break
}
Print_r ($prizeList [$zone][0]); |
