抽奖大转盘php高度

<?php
// 奖品数组
$prizes = [
    '一等奖' => ['name' => 'iPhone 13', 'probability' => 1],
    '二等奖' => ['name' => 'iPad Air', 'probability' => 5],
    '三等奖' => ['name' => 'AirPods Pro', 'probability' => 10],
    '谢谢参与' => ['name' => '谢谢参与', 'probability' => 84]
];

// 计算总概率
$totalProbability = array_sum(array_column($prizes, 'probability'));

// 生成随机数
$randomNumber = mt_rand(1, $totalProbability);

// 确定奖品
$winningPrize = null;
$accumulatedProbability = 0;
foreach ($prizes as $key => $prize) {
    $accumulatedProbability += $prize['probability'];
    if ($randomNumber <= $accumulatedProbability) {
        $winningPrize = $prize['name'];
        break;
    }
}

echo "恭喜您获得了：" . $winningPrize;
?>