PHP平均整数红包算法

<?php
    
    function RandomMoney( $money,$num ){
        $arr = array();
        $total_money = 0;
        $this_money = $money;
        $total_num = $num;


        for( $i=0; $i<$num; $i++ ){
            if( $total_num == 1 ){
                $m = $this_money;
            }else{
                $m = round(rand(1,$this_money/$total_num*1.5));
            }
            $arr[] = $m;        
            $total_money += $m;        
            $this_money -= $m;
            $total_num --;
        }
        echo "总金额:$total_money<br>";
        print_r($arr);        
    }
    RandomMoney(200,10);

?>