search in custom taxonomy

Need more info. What is in the query_string?

I’m using this on a custom search results page.

query_String contains the search keyword (s=blah) and another parameter – post_type.

If what you want to do is search the titles and contents for ‘blah’ in posts of post_type, you should be able to do that with a filter.

If that is the case, please provide an example of the query_String and I will try to set up the code.

I’m trying to search the titles of a specific post type (vendors) within custom taxonomy (directory).

here is the query_string
s=apple&post_type=vendors

I should also mention that I’ve modified my search.php to refer to another page based on post type.

I think this is what you want. I have assumed that the query string variable is $query_String and that what you see in your sample above is literally correct. This is obviously incomplete, so you will need to adapt it to your other code for the theme.

function mam_posts_where ($where) {
      global $mam_global_where;
      if ($mam_global_where) $where .= " $mam_global_where";
      return $where;
   }
   if (preg_match('/^s=([^&]+)\&post_type=(.+)$/',$query_String,$matches)) {
      $mam_global_where = " AND $wpdb->posts.post_title LIKE '%$matches[1]%'";
      $args = array(
         'post_type' => $matches[2],
         );
      global $wp_query;
      $query_posts($wp_query->query, $args);
      $mam_global_where = '';  // Turn off filter
      // Process posts here
   } else {
      // Bad query string
   }