[resolved] Custom Fields Search (33 posts)

  1. thebraindonor
    Posted 7 years ago #

    This exact problem was brought to my attention last month by a client of mine who does web design. He had a client that needed the WordPress search to include custom fields in the search page.

    I've posted the full details on my blog:
    WordPress Custom Field Search Plugin

    I wanted to make sure to post my solution here since many of the posts did help me out as I worked on my solution.

  2. mariostella
    Posted 7 years ago #

    @ thebraindonor

    Thanks for the link, but this does not really solve the issue of having a search engine that uses certain meta field values to narrow down the search following user-selected combo boxes and check boxes. Or at least I am unable to see how it could.

  3. thebraindonor
    Posted 7 years ago #


    The code I provided can be used as a starting point to provide the functionality you are looking for. The goal of the search updates I made were look for matches that found in a meta field or the post content.

    In order to use the meta fields to narrow down the search, you would need to update the plugin code I provided to include an additional AND clause before the full query is assembled and returned:

    $term = $wpdb->escape($var_q);
    if (!$_GET['sentense'] && Count($search_terms) > 1 && $search_terms[0] != $var_q) {
        $query .= " OR ($wpdb->posts.post_title LIKE '{$n}{$term}{$n}')";
        $query .= " OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}')";
    //begin new code
    if ($_GET['limit_author']) {
        $limit_author = $_GET['limit_author'];
        $query .= " AND (";
        $query .= "($wpdb->postmeta.meta_key = 'author')";
        $query .= " AND ($wpdb->postmeta.meta_value  LIKE '{$n}{$limit_author}{$n}')";
        $query .= ") ";
    //end new code
    if (!empty($query)) {
        $where = " AND ({$query}) AND ($wpdb->posts.post_status = 'publish') ";

    I've not tested it, but it should give you an idea of how and where to update the query.

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