PHP实现微信红包金额拆分试玩的算法示例

<"%01.2f", $bonus_money_temp / 2));//剩余金额不够分时,把剩余金额的一半作为备用金
      }
      $bonus_money_rad = $this->randomFloat(0.01, $money_single_max);//一个红包随机金额 最小的1分钱
      $bonus_money_rad = floatval(sprintf("%01.2f", $bonus_money_rad));
      $bonus_money_temp = $bonus_money_temp - $bonus_money_rad ;//待分配的总剩余金额
      $bonus_money_temp = floatval(sprintf("%01.2f", $bonus_money_temp));
      $this->bonus[] = $bonus_money_rad;
      //echo $bonus_money_rad . ',' . $bonus_money_temp . '<hr/>';
      $i++;
    }
    $this->bonus[] = $bonus_money_temp;//分配剩余金额给最后一个红包
  }
  //打印
  public function output(){
    $total = 0;
    foreach($this->bonus as $k => $v)
    {
      echo '红包' . ($k+1) . '=' . $v . '<br/>';
      $total += $v;
    }
    echo '红包总金额:'.$total;
  }
}

$CBonus = new CBonus();
$CBonus->compute();
$CBonus->output();
?>