wp_dropdown_pages( array|string $args = ” )
Retrieve or display a list of pages as a dropdown (select list).
Description Description
See also See also
- get_pages()
Parameters Parameters
- $args
-
(array|string) (Optional) Array or string of arguments to generate a page dropdown. See
get_pages()for additional arguments.- ‘depth’
(int) Maximum depth. Default 0. - ‘child_of’
(int) Page ID to retrieve child pages of. Default 0. - ‘selected’
(int|string) Value of the option that should be selected. Default 0. - ‘echo’
(bool|int) Whether to echo or return the generated markup. Accepts 0, 1, or their bool equivalents. Default 1. - ‘name’
(string) Value for the ‘name’ attribute of the select element. Default ‘page_id’. - ‘id’
(string) Value for the ‘id’ attribute of the select element. - ‘class’
(string) Value for the ‘class’ attribute of the select element. Default: none. Defaults to the value of$name. - ‘show_option_none’
(string) Text to display for showing no pages. Default empty (does not display). - ‘show_option_no_change’
(string) Text to display for “no change” option. Default empty (does not display). - ‘option_none_value’
(string) Value to use when no page is selected. - ‘value_field’
(string) Post field used to populate the ‘value’ attribute of the option elements. Accepts any valid post field. Default ‘ID’.
Default value: ”
- ‘depth’
Return Return
(string) HTML dropdown list of pages.
Source Source
File: wp-includes/post-template.php
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function wp_dropdown_pages( $args = '' ) { $defaults = array( 'depth' => 0, 'child_of' => 0, 'selected' => 0, 'echo' => 1, 'name' => 'page_id', 'id' => '', 'class' => '', 'show_option_none' => '', 'show_option_no_change' => '', 'option_none_value' => '', 'value_field' => 'ID', ); $parsed_args = wp_parse_args( $args, $defaults ); $pages = get_pages( $parsed_args ); $output = ''; // Back-compat with old system where both id and name were based on $name argument. if ( empty( $parsed_args['id'] ) ) { $parsed_args['id'] = $parsed_args['name']; } if ( ! empty( $pages ) ) { $class = ''; if ( ! empty( $parsed_args['class'] ) ) { $class = " class='" . esc_attr( $parsed_args['class'] ) . "'"; } $output = "<select name='" . esc_attr( $parsed_args['name'] ) . "'" . $class . " id='" . esc_attr( $parsed_args['id'] ) . "'>n"; if ( $parsed_args['show_option_no_change'] ) { $output .= "t<option value="-1">" . $parsed_args['show_option_no_change'] . "</option>n"; } if ( $parsed_args['show_option_none'] ) { $output .= "t<option value="" . esc_attr( $parsed_args['option_none_value'] ) . '">' . $parsed_args['show_option_none'] . "</option>n"; } $output .= walk_page_dropdown_tree( $pages, $parsed_args['depth'], $parsed_args ); $output .= "</select>n"; } /** * Filters the HTML output of a list of pages as a drop down. * * @since 2.1.0 * @since 4.4.0 `$parsed_args` and `$pages` added as arguments. * * @param string $output HTML output for drop down list of pages. * @param array $parsed_args The parsed arguments array. * @param WP_Post[] $pages Array of the page objects. */ $html = apply_filters( 'wp_dropdown_pages', $output, $parsed_args, $pages ); if ( $parsed_args['echo'] ) { echo $html; } return $html;} |
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Changelog Changelog
| Version | Description |
|---|---|
| 4.3.0 | The $class argument was added. |
| 4.2.0 | The $value_field argument was added. |
| 2.1.0 | Introduced. |