当我在wp中编辑帖子时,有时我没有分配标签,自动插入类别名称或我的网站名称之类的标签而不是根本没有标签是个好主意吗?如果输入标签更好,那么我需要帮助编写一个函数来检查帖子是否没有标签,然后它会插入让我们说出我的站点名称。我所有的都是wp_set_post_tags(42,'mepanorama',true);但这只适用于特定的帖子,不会检查是否已经有标签。 最佳答案 这将返回标签的数量:count(wp_get_post_terms($post_id,'post_tag',array("fields"=>"names")));我做了
1.200.岛屿数量给你一个由 '1'(陆地)和 '0'(水)组成的的二维网格,请你计算网格中岛屿的数量。岛屿总是被水包围,并且每座岛屿只能由水平方向和/或竖直方向上相邻的陆地连接形成。此外,你可以假设该网格的四条边均被水包围。示例1:输入:grid=[["1","1","1","1","0"],["1","1","0","1","0"],["1","1","0","0","0"],["0","0","0","0","0"]]输出:1示例2:输入:grid=[["1","1","0","0","0"],["1","1","0","0","0"],["0","0","1","0","0"],["