Weak hands cannot be planted, meager skills have no foundation. Shallow wisdom is futile, how can one hope for a good name?扰扰从役倦，屑屑身事微。少壮轻年月，迟暮惜光辉。
'parent', 'id' => 'id' );
/**
* Overrides Walker::display_element as it expects an object with a parent property.
*
* @since 1.2
* @since 3.4 Refactored and moved in `PLL_Walker`.
*
* @param PLL_Language|stdClass $element Data object. `PLL_language` in our case.
* @param array $children_elements List of elements to continue traversing.
* @param int $max_depth Max depth to traverse.
* @param int $depth Depth of current element.
* @param array $args An array of arguments.
* @param string $output Passed by reference. Used to append additional content.
* @return void
*/
public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) {
if ( $element instanceof PLL_Language ) {
$element = $element->to_std_class();
// Sets the w3c locale as the main locale.
$element->locale = $element->w3c ?? $element->locale;
}
// Don't care about this.
$element->id = 0;
$element->parent = 0;
parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
}
/**
* Sets `PLL_Walker::walk()` arguments as it should
* and triggers an error in case of