Wordpress为文章列表添加id列

 1function krjojo_tool_id_column($columns)
 2{
 3  if (count($columns) > 2) {
 4    $columns = array_merge(array_slice($columns, 0, 1), ['krjojo_tool_id' => 'ID'], array_slice($columns, 1));
 5  }
 6  // $columns['id'] = 'ID';
 7  return $columns;
 8}
 9function krjojo_tool_id_value($column_name, $id)
10{
11  if ($column_name == 'krjojo_tool_id') echo $id;
12}
13function krjojo_tool_filter_id_value($value, $column_name, $id)
14{
15  if ($column_name == 'krjojo_tool_id') $value = $id;
16  return $value;
17}
18// 文章
19add_filter('manage_posts_columns', 'krjojo_tool_id_column');
20add_action('manage_posts_custom_column', 'krjojo_tool_id_value', 10, 2);
21// 页面
22add_filter('manage_pages_columns', 'krjojo_tool_id_column');
23add_action('manage_pages_custom_column', 'krjojo_tool_id_value', 10, 2);
24// 媒体
25add_filter('manage_media_columns', 'krjojo_tool_id_column');
26add_action('manage_media_custom_column', 'krjojo_tool_id_value', 10, 2);
27// 链接
28add_filter('manage_link-manager_columns', 'krjojo_tool_id_column');
29add_action('manage_link_custom_column', 'krjojo_tool_id_value', 10, 2);
30// 分类
31foreach (get_taxonomies() as $taxonomy) {
32  add_action("manage_edit-" . $taxonomy . "_columns", 'krjojo_tool_id_column');
33  add_filter("manage_" . $taxonomy . "_custom_column", 'krjojo_tool_filter_id_value', 10, 3);
34}
35// 用户
36add_action('manage_users_columns','krjojo_tool_id_column');
37add_filter('manage_users_custom_column','krjojo_tool_filter_id_value',10,3);
38// 评论
39add_action('manage_edit-comments_columns','krjojo_tool_id_column');
40add_action('manage_comments_custom_column','krjojo_tool_id_value',10,2);
41// 样式 ID列宽度
42add_action('admin_head', function () {
43  echo '<style type="text/css">#krjojo_tool_id { width: 50px; }</style>';
44});