摘要: <?php $arr=[['a','b','c','d'],['2','3','4','5'],[',','.','?',';']]; $num = count($arr); if ($num 0) return false; if ($num 1) return $arr[0]; while(co 阅读全文
posted @ 2019-12-23 09:27 zrn 阅读(754) 评论(0) 推荐(0) 编辑