tag_search_controlpanel_wordPress_mono96

tag_search_controlpanel_wordPress_mono96.php

//投稿一覧リストの上にタグフィルターを追加
function custmuize_restrict_manage_posts_exsample(){
  global $post_type, $tag;
  if ( is_object_in_taxonomy( $post_type, 'post_tag' ) ) {
    $dropdown_options = array(
      'show_option_all' => get_taxonomy( 'post_tag' )->labels->all_items,
      'hide_empty' => 0,
      'hierarchical' => 1,
      'show_count' => 0,
      'orderby' => 'name',
      'selected' => $tag,
      'name' => 'tag',
      'taxonomy' => 'post_tag',
      'value_field' => 'slug'
    );
    wp_dropdown_categories( $dropdown_options );
	  echo '<input type="hidden" name="post_type" value="post">';
  }

}
add_action('restrict_manage_posts', 'custmuize_restrict_manage_posts_exsample');

//投稿一覧で「全てのタグ」選択時は$_GET['tag']をセットしない
function custmuize_load_edit_php_exsample(){
  if (isset($_GET['tag']) && '0' === $_GET['tag']) {
    unset ($_GET['tag']);
  }
}
add_action('load-edit.php', 'custmuize_load_edit_php_exsample');