Walker_Nav_Menu_Checklist::start_lvl() WordPress Method
The Walker_Nav_Menu_Checklist::start_lvl() method is used to start the display of a navigation menu checklist. This method is called when the menu is first displayed.
Walker_Nav_Menu_Checklist::start_lvl( string $output, int $depth, stdClass $args = null ) #
Starts the list before the elements are added.
Description
See also
Parameters
- $output
(string)(Required)Used to append additional content (passed by reference).
- $depth
(int)(Required)Depth of page. Used for padding.
- $args
(stdClass)(Optional)Not used.
Default value: null
Source
File: wp-admin/includes/class-walker-nav-menu-checklist.php
public function start_lvl( &$output, $depth = 0, $args = null ) {
$indent = str_repeat( "\t", $depth );
$output .= "\n$indent<ul class='children'>\n";
}
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Changelog
| Version | Description |
|---|---|
| 3.0.0 | Introduced. |