Template Tags/wp dropdown pages
Материал из WordPress Wiki
Содержание |
Description
Displays a list of pages in a select (i.e dropdown) box with no submit button.
Usage
%%% <?php wp_dropdown_pages('arguments'); ?> %%%
Examples
Default Usage
$defaults = array(
'depth' => 0,
'child_of' => 0,
'selected' => 0,
'echo' => 1,
'name' => 'page_id',
'show_option_none' => '');
By default, the usage shows:
- Pages and sub-pages displayed in hierarchical (indented) form
- Displays all pages (not restricted to child pages)
- No page is be 'selected' or presented in the display box
- The name assigned to the dropdown form is 'page_id'
- Allows you to select NONE of the pages (show_option_none)
<?php wp_dropdown_pages(); ?>
Dropdown with Submit Button
Displays a hierarchical page dropdown list in HTML form with a submit button.
<li id="pages">
<h2><?php _e('pages:'); ?></h2>
<form action="<?php bloginfo('url'); ?>" method="get">
<?php wp_dropdown_pages(); ?>
<input type="submit" name="submit" value="view" />
</form>
</li>
Parameters
- depth (integer)
- This parameter controls how many levels in the hierarchy of pages are to be included in the list generated by wp_list_pages. The default value is 0 (display all pages, including all sub-pages).
- 0 - Pages and sub-pages displayed in hierarchical (indented) form (Default).
- -1 - Pages in sub-pages displayed in flat (no indent) form.
- 1 - Show only top level Pages
- 2 - Value of 2 (or greater) specifies the depth (or level) to descend in displaying Pages.
- child_of (integer)
- Displays the sub-pages of a single Page only; uses the ID for a Page as the value. Defaults to 0 (displays all Pages).
- selected
- (integer) Page ID of the page to be 'selected' or presented in the display box. Defaults to no page selected.
- echo (boolean)
- Toggles the display of the generated list of links or return the list as an HTML text string to be used in PHP. The default value is 1 (display the generated list items). Valid values:
- 1 (true) - default
- 0 (false)
- name
- (string) Name assigned to the dropdown form. Defaults to 'page_id'.
- show_option_none
- (string) Causes the HTML for the dropdown to allow you to select NONE of the pages.
- exclude
- (string) Comma separated list of category IDs to exclude. For example, 'exclude=4,12' means category IDs 4 and 12 will NOT be displayed/echoed or returned. Defaults to exclude nothing.
Other Parameters
It is possible, but not confirmed, some of the paramters for the function get_pages could be used for wp_dropdown_pages. Here's the default settings for the get_pages parameters
$defaults = array(
'child_of' => 0,
'sort_order' => 'ASC',
'sort_column' => 'post_title',
'hierarchical' => 1,
'exclude' => '',
'include' => '',
'meta_key' => '',
'meta_value' => '',
'authors' => '');