Legacy function used for generating a categories drop-down control.

• wp_dropdown_categories()

$current_cat int Optional

ID of the current category. Default 0.

$current_parent int Optional

Current parent category ID. Default 0.

$category_parent int Optional

Parent ID to retrieve categories for. Default 0.

$level int Optional

Number of levels deep to display. Default 0.

$categories array Optional

Categories to include in the control. Default 0.

void|false Void on success, false if no categories were found.

File: wp-admin/includes/deprecated.php. View all references

function wp_dropdown_cats( $current_cat = 0, $current_parent = 0, $category_parent = 0, $level = 0, $categories = 0 ) {
	_deprecated_function( __FUNCTION__, '3.0.0', 'wp_dropdown_categories()' );
	if (!$categories )
		$categories = get_categories( array('hide_empty' => 0) );

	if ( $categories ) {
		foreach ( $categories as $category ) {
			if ( $current_cat != $category->term_id && $category_parent == $category->parent) {
				$pad = str_repeat( '– ', $level );
				$category->name = esc_html( $category->name );
				echo "\n\t<option value='$category->term_id'";
				if ( $current_parent == $category->term_id )
					echo " selected='selected'";
				echo ">$pad$category->name</option>";
				wp_dropdown_cats( $current_cat, $current_parent, $category->term_id, $level +1, $categories );
			}
		}
	} else {
		return false;
	}
}