Implementation method of PHP imitating WeChat red envelope distribution algorithm, red envelope algorithm_PHP tutorial

The implementation method of php imitation WeChat red envelope distribution algorithm, red envelope algorithm

This article describes the implementation method of php imitation WeChat red envelope distribution algorithm. Share it with everyone for your reference, the details are as follows:

/**
 * 红包分配：把一定金额随机分配给指定人数
 *
 * @param int $money 用于分配的金额
 * @param int $num 分配人数
 */
function RandomMoney($money, $num) {
 echo "$money元随机分成$num份分别是：<br/>";
 $remain=$money;
 $use=0;
 for ($i=1; $i<$num; $i++) {
  $temp=rand(0,$remain*100)/100;
  echo "余额:".$remain.",已使用：".$use.",分配：".$temp."<br/>";
  $use+=$temp;
  $remain-=$temp;
 }
 echo "余额:".$remain.",已使用：".$use.",分配：".$remain;
}
echo RandomMoney(10,5);

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