Support » Fixing WordPress » wp_nav_menu walker outputs empty tags with no attrbutes, no content

  • Hello, i’m new to WordPress so probably i’m doing something very wrong here but.. i’m really puzzled with this, hopefully you guys can help me out!

    Basically what i want is to add the page slug as a class to each of my menu li tags and add a span around the text. I’m using a twenty eleven child theme. In my functions.php file i define this walker function as described in this article. This doesn’t work, along with many other walker examples I found on other websites.

    I’ve also tried to copy the Walker_Nav_Menu function from the nav-menu-template.php and use this in my functions.php. Doesn’t work either. It gets called and everything but I will end up with all empty li and anchor tags. No attributes, no url, no text, just the tags…

    Through print_r()’s I eventually found out that the $item param in the start_el function has different properties than assumed by the code. The php code assumes there are properties like $item->attr_title, $item->target, $item->xfn, $item->url, etc. Printing out the $item class show there are no such properties. What i get with print_r($item) is:

    stdClass Object
        [ID] => 10
        [post_author] => 1
        [post_date] => 2012-02-03 19:21:33
        [post_date_gmt] => 2012-02-03 19:21:33
        [post_content] => test
        [post_title] => test
        [post_excerpt] =>
        [post_status] => publish
        [comment_status] => open
        [ping_status] => open
        [post_password] =>
        [post_name] => test
        [to_ping] =>
        [pinged] =>
        [post_modified] => 2012-02-03 19:21:33
        [post_modified_gmt] => 2012-02-03 19:21:33
        [post_content_filtered] =>
        [post_parent] => 0
        [guid] =>
        [menu_order] => 0
        [post_type] => page
        [post_mime_type] =>
        [comment_count] => 0
        [filter] => raw

    Anyone have any ideas where this is coming from?

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