87 lines
2.4 KiB
PHP
87 lines
2.4 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* Taxonomy API: Walker_CategoryDropdown class
|
||
|
|
*
|
||
|
|
* @package WordPress
|
||
|
|
* @subpackage Template
|
||
|
|
* @since 4.4.0
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Core class used to create an HTML dropdown list of Categories.
|
||
|
|
*
|
||
|
|
* @since 2.1.0
|
||
|
|
*
|
||
|
|
* @see Walker
|
||
|
|
*/
|
||
|
|
class Walker_CategoryDropdown extends Walker {
|
||
|
|
|
||
|
|
/**
|
||
|
|
* What the class handles.
|
||
|
|
*
|
||
|
|
* @since 2.1.0
|
||
|
|
* @var string
|
||
|
|
*
|
||
|
|
* @see Walker::$tree_type
|
||
|
|
*/
|
||
|
|
public $tree_type = 'category';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Database fields to use.
|
||
|
|
*
|
||
|
|
* @since 2.1.0
|
||
|
|
* @todo Decouple this
|
||
|
|
* @var string[]
|
||
|
|
*
|
||
|
|
* @see Walker::$db_fields
|
||
|
|
*/
|
||
|
|
public $db_fields = array(
|
||
|
|
'parent' => 'parent',
|
||
|
|
'id' => 'term_id',
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Starts the element output.
|
||
|
|
*
|
||
|
|
* @since 2.1.0
|
||
|
|
* @since 5.9.0 Renamed `$category` to `$data_object` and `$id` to `$current_object_id`
|
||
|
|
* to match parent class for PHP 8 named parameter support.
|
||
|
|
*
|
||
|
|
* @see Walker::start_el()
|
||
|
|
*
|
||
|
|
* @param string $output Used to append additional content (passed by reference).
|
||
|
|
* @param WP_Term $data_object Category data object.
|
||
|
|
* @param int $depth Depth of category. Used for padding.
|
||
|
|
* @param array $args Uses 'selected', 'show_count', and 'value_field' keys, if they exist.
|
||
|
|
* See wp_dropdown_categories().
|
||
|
|
* @param int $current_object_id Optional. ID of the current category. Default 0.
|
||
|
|
*/
|
||
|
|
public function start_el( &$output, $data_object, $depth = 0, $args = array(), $current_object_id = 0 ) {
|
||
|
|
// Restores the more descriptive, specific name for use within this method.
|
||
|
|
$category = $data_object;
|
||
|
|
$pad = str_repeat( ' ', $depth * 3 );
|
||
|
|
|
||
|
|
/** This filter is documented in wp-includes/category-template.php */
|
||
|
|
$cat_name = apply_filters( 'list_cats', $category->name, $category );
|
||
|
|
|
||
|
|
if ( isset( $args['value_field'] ) && isset( $category->{$args['value_field']} ) ) {
|
||
|
|
$value_field = $args['value_field'];
|
||
|
|
} else {
|
||
|
|
$value_field = 'term_id';
|
||
|
|
}
|
||
|
|
|
||
|
|
$output .= "\t<option class=\"level-$depth\" value=\"" . esc_attr( $category->{$value_field} ) . '"';
|
||
|
|
|
||
|
|
// Type-juggling causes false matches, so we force everything to a string.
|
||
|
|
if ( (string) $category->{$value_field} === (string) $args['selected'] ) {
|
||
|
|
$output .= ' selected="selected"';
|
||
|
|
}
|
||
|
|
$output .= '>';
|
||
|
|
$output .= $pad . $cat_name;
|
||
|
|
if ( $args['show_count'] ) {
|
||
|
|
$output .= ' (' . number_format_i18n( $category->count ) . ')';
|
||
|
|
}
|
||
|
|
$output .= "</option>\n";
|
||
|
|
}
|
||
|
|
}
|