src/Knp/Menu/Util/MenuManipulator.php
public function getPathAsString(ItemInterface $item, $separator = ' > ')
    {
        $children = array();
        $obj = $item;

        do {
            $children[] = $obj->getLabel();
        } while ($obj = $obj->getParent());

        return implode($separator, array_reverse($children));
    }
public function getPathAsString(ItemInterface $item, $separator = ' > ')
    {
        $children = array();
        $obj = $item;

        do {
            $children[] = $obj->getLabel();
        } while ($obj = $obj->getParent());

        return implode($separator, array_reverse($children));
    }
A string representation of this menu item

e.g. Top Level > Second Level > This menu

@param ItemInterface $item
@param string        $separator

@return string