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Introduce `'value_field'` parameter to `wp_dropdown_pages()`. 

This parameter allows developers to choose the post field that will be used to
fill in the 'option' attribute of the generated dropdown markup.

See [31006] #30306 for a parallel enhancement in `wp_dropdown_categories()`.

Props jfarthing84.
Fixes #12494.
Built from https://develop.svn.wordpress.org/trunk@31338


git-svn-id: http://core.svn.wordpress.org/trunk@31319 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Boone Gorges 2015-02-05 19:04:23 +00:00
parent d1764d86e4
commit 14767d6c69
2 changed files with 12 additions and 6 deletions
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16
wp-includes/post-template.php
View File

@ -971,7 +971,8 @@ function wp_dropdown_pages( $args = '' ) {
'selected' => 0, 'echo' => 1,
'name' => 'page_id', 'id' => '',
'show_option_none' => '', 'show_option_no_change' => '',
'option_none_value' => ''
'option_none_value' => '',
'value_field' => 'ID',
);
$r = wp_parse_args( $args, $defaults );
@ -1425,15 +1426,20 @@ class Walker_PageDropdown extends Walker {
* @since 2.1.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $page Page data object.
* @param int $depth Depth of page in reference to parent pages. Used for padding.
* @param array $args Uses 'selected' argument for selected page to set selected HTML attribute for option element.
* @param object $page Page data object.
* @param int $depth Depth of page in reference to parent pages. Used for padding.
* @param array $args Uses 'selected' argument for selected page to set selected HTML attribute for option
* element. Uses 'value_field' argument to fill "value" attribute. See {@see wp_dropdown_pages()}.
* @param int $id
*/
public function start_el( &$output, $page, $depth = 0, $args = array(), $id = 0 ) {
$pad = str_repeat(' ', $depth * 3);
$output .= "\t<option class=\"level-$depth\" value=\"$page->ID\"";
if ( ! isset( $args['value_field'] ) || ! isset( $page->{$args['value_field']} ) ) {
$args['value_field'] = 'ID';
}
$output .= "\t<option class=\"level-$depth\" value=\"" . esc_attr( $page->{$args['value_field']} ) . "\"";
if ( $page->ID == $args['selected'] )
$output .= ' selected="selected"';
$output .= '>';

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.2-alpha-31337';
$wp_version = '4.2-alpha-31338';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.