- <?php
- class InsertManages {
- //插入算法
- function insert($rand_arr, $sort = '') {
- //得到数组个数
- $count = count($rand_arr);
- echo '<hr>排序前<hr/><xmp>' . var_export($rand_arr, TRUE) . '</xmp>';
- if ($sort == 'asc' || empty($sort)) {
- for ($i = 1; $i < $count; $i++) {
- if ($rand_arr[$i] < $rand_arr[$i - 1]) {
- $t = $rand_arr[$i];
- for ($j = $i; $j > 0 && $rand_arr[$j - 1] > $t; $j--) {
- $rand_arr[$j] = $rand_arr[$j - 1];
- $rand_arr[$j - 1] = $t;
- }
- }
- }
- return $rand_arr;
- } else if ($sort == 'desc') {
- for ($i = $count - 2; $i >= 0; $i--) {
- if ($rand_arr[$i] < $rand_arr[$i + 1]) {
- $t = $rand_arr[$i];
- for ($j = $i + 1; $j < $count && $rand_arr[$j] > $t; $j++) {
- $rand_arr[$j - 1] = $rand_arr[$j];
- $rand_arr[$j] = $t;
- }
- }
- }
- return $rand_arr;
- }
- }
- //创建随机数组
- function rands() {
- $s = 100;
- $arr = array();
- for ($i = 0; $i < $s; $i++) {
- $arr[] = rand(0, 1000);
- }
- return $arr;
- }
- }
- $rand_arr = InsertManages::rands();
- echo '<hr>排序后<hr/><xmp>' . var_export(InsertManages::insert($rand_arr, 'desc'), TRUE) . '</xmp>';
- ?>
- //该片段来自于http://www.codesnippet.cn/detail/120820135099.html
来源: http://www.codesnippet.cn/detail/120820135099.html