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I created a Forum plugin and would like to have a cystomized search result template, I added the following excerpt in the plugin execution file:

add_filter('single_template', 'pagina_topicos');

function pagina_topicos($single) {
    global $wp_query, $post;

/* Informando o Modelo de Página das Aulas */
if ($post->post_type == "stopicos"){
    if(file_exists(plugin_dir_path( __FILE__ ) . '/single-topico.php'))
        return plugin_dir_path( __FILE__ ) . '/single-topico.php';
}

  if( $wp_query->is_search && $post_type == 'stopicos' )
  {
    return plugin_dir_path( __FILE__ ) . '/archive-stopicos.php';
  }

    return $single;
}

I use the following form in the search:

 <form role="search" action="<?php echo site_url('/'); ?>" method="get" id="searchform">
                    <input type="text" class="submit-search form-control input-lg" placeholder="Buscar" />
                    <input type="hidden" name="post_type" value="stopicos"/>
                    <span class="input-group-btn">
                        <button class="btn btn-info btn-lg" type="submit" value="Search">
                            <i class="glyphicon glyphicon-search"></i>
                        </button>
                       </form> 

What can be wrong so that the model I customized is not loaded?

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  • you check $post_type, but where do you set it?
    – Milo
    Aug 9, 2017 at 16:01

2 Answers 2

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You're using the single_template hook, which is called for a single post. From the Codex:

The "single_template" filter can be used to load a custom template for a given post. It will replace the template used whenever the "single" template is called.

My guess is that this can probably be achieved by using the template_include hook:

This filter hook is executed immediately before WordPress includes the predetermined template file. This can be used to override WordPress's default template behavior.

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  • There's also search_template, which is specific to just search queries.
    – Milo
    Aug 11, 2017 at 16:17
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Zedejose really worked out with template_include, below what I did and it worked

    add_filter('template_include','my_custom_search_template');

function my_custom_search_template($template){
    global $wp_query;
    if (!$wp_query->is_search)
        return $template;

    return dirname( __FILE__ ) . '/search-stopicos.php';

}

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