摘要：
<?php/* 大致思想就是：将剩余展示数目累加比如：A:5，B:8，C:10累加后：A:5，B:13,C:23然后随即一个数,范围0~23判断 随机数是否小于A或B或C，小于则成功 效果：谁的剩余展示数目越多，被随机到的几率越高*/function pc_rand_weighted($numbers) { $total = 0; foreach ( $numbers as $number => $weight ) { $total += $weight; $distribution [$number] = $total; } $rand =... 阅读全文
