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📜  php 生成优惠券 - PHP 代码示例

📅  最后修改于: 2022-03-11 14:53:51.595000             🧑  作者: Mango

代码示例1
$chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
$res = "";
for ($i = 0; $i < 10; $i++) {
    $res .= $chars[mt_rand(0, strlen($chars)-1)];
}