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I have customised my menu in wordpress by extending the Nav_Menu_Walker class and now i cannot figure it out how could i add a class at a specific ul element. I have this function which adds classes by depth:

function start_lvl(&$output, $depth) {
 $indent = str_repeat("\t", $depth);
 if ($depth >= 1)
    $output .= "\n$indent<ul class=\"subsubmenu\">\n";
 else
    $output .= "\n$indent<ul class=\"submenu\">\n";

}

When the $depth is 0 i would like to add a different class at the third element from $depth =0 rather than "submenu".

Could you please provide me some suggestions ?

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I am not I understand: You want different classes for depth 0, 1 or many? Or on the third submenu with a depth == 0? –  toscho Oct 12 '12 at 9:39
    
At the level where the $depth == 0 i have like 4 columns. What i meant was at the 3 ( third) column to have a different class. –  GigiBecali Oct 12 '12 at 11:06
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1 Answer 1

up vote 1 down vote accepted

Count the level 0 elements in a static variable in the method and add an extra class if you hit the third. Sample code, not tested:

function start_lvl(&$output, $depth) {
    static $column = 1;
    $indent = str_repeat("\t", $depth);
    if ($depth > 0)
    {
        $output .= "\n$indent<ul class='subsubmenu'>\n";
    }
    else
    {
        $column += 1;
        $extra = 3 === $column ? ' third-column' : '';
        $output .= "\n$indent<ul class='submenu$extra'>\n";
    }
}
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Thank you for open up my mind ! Great answer ! –  GigiBecali Oct 12 '12 at 11:43
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