摘要：<?php //冒泡排序（优化） $a = [9, 86, 4, 3, 2, 62, 3, 819, 746, 32]; print_r($a); echo "<br/>"; for ($b = 0; $b < count($a) - 1; $b++) { for ($c = 0; $c < siz 阅读全文