PHP生成唯一订单号 阿星小栈
/** * * uniqid - 官方是这样说的： * Gets a prefixed unique identifier based on the current time in microseconds. */ function build_order_no() { return date('Ymd').substr(implode(NULL, array_map('ord', str_split(substr(uniqid(), 7, 13), 1))), 0, 8); }
原文：https://blog.****.net/chajinglong/article/details/52598757