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Currently I am working on adding a breadcrumb without a plugin to a site. I found several possibilities on how to do that, but what I specifically want is to take one Page out of the trail.

My current trail is as follows: home - products - productgroup - productsubgroup - productname

What I want it to become is: home - productgroup - productsubgroup - productname

Does anyone have experience with this particular challenge?

I'm on the latest WP version and I am using a child theme of Twenty Ten. More info on the breadcrumb I am using: http://www.bloggingtips.com/2009/02/22/create-a-breadcrumb-trail/

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1 Answer 1

up vote 1 down vote accepted

Based on the code your used my guess is it would be as simple as adding a unset($bcarray[0]); to their code on line 15. Here is the code in it's entirety:

function write_breadcrumb() {
  $pid = $post->ID;
  $trail = "<a href='/'>Home</a>";
  if (is_front_page()) :
    // do nothing
  elseif (is_page()) :
    $bcarray = array();
    $pdata = get_post($pid);
    $bcarray[] = " &raquo; ".$pdata->post_title."\n";
    while ($pdata->post_parent) :
      $pdata = get_post($pdata->post_parent);
      $bcarray[] = " &raquo; <a href='".get_permalink($pdata->ID)."'>".$pdata->post_title."</a>\n";
    endwhile;
    $bcarray = array_reverse($bcarray);
    unset($bcarray[0]);
    foreach ($bcarray AS $listitem) :
      $trail .= $listitem;
    endforeach;
  elseif (is_single()) :
    $pdata = get_the_category($pid);
    $data = get_category_parents($pdata[0]->cat_ID, TRUE, ' &raquo; ');
    $trail .= " &raquo; ".substr($data,0,-8);
  endif;
  return $trail;
}

-Mike

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Thanks Mike, for both the answer and the speed! What does the 0 mean in your additional line? update: it works brilliantly, thanks again! –  Piet Dec 17 '10 at 10:25
    
@Piet: The [0] is the first element in the array named $bcarray which is also the last item added to the array which was the one you wanted removed. It's that's not clear, ask again. Thanks for the checkmark and upvote. –  MikeSchinkel Dec 18 '10 at 9:29
    
ah ok, so if I would have liked to remove any other parent down the line, I could change that number? Thx for the additional explanation! It's easy to copy and paste and find out it works, it's better to fully understand what's happening and why :) –  Piet Dec 22 '10 at 5:53
    
@Piet - Sure. If you really want to find out what works, get a copy of PhpStorm (while it's still $49) and get the debugger set up and then you can know all, just like me. :) –  MikeSchinkel Dec 22 '10 at 6:07

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