WP: Include custom post types in the search results

untitled.php

// MAKE CUSTOM POST TYPES SEARCHABLE
function searchAll( $query ) {
  if ( $query->is_search ) { $query->set( 'post_type', array( 'site', 'plugin', 'theme', 'person' ) ); }
  return $query;
}
add_filter( 'the_search_query', 'searchAll' );

// ADD CUSTOM POST TYPES TO THE DEFAULT RSS FEED
// Add your custom post types to your sites main RSS feed by default.
function custom_feed_request( $vars ) {
  if ( isset( $vars['feed'] ) && !isset( $vars['post_type'] ) )
    $vars['post_type'] = array( 'post', 'site', 'plugin', 'theme', 'person' );
  return $vars;
}
add_filter( 'request', 'custom_feed_request' );

// ADD CUSTOM POST TYPES TO THE 'RIGHT NOW' DASHBOARD WIDGET
// This will include your custom post types and the post counts for each type in the "Right Now" dashboard widget.
function wph_right_now_content_table_end() {
  $args = array(
    'public' => true ,
    '_builtin' => false
  );
  $output = 'object';
  $operator = 'and';

  $post_types = get_post_types( $args , $output , $operator );
  foreach ( $post_types as $post_type ) {
    $num_posts = wp_count_posts( $post_type->name );
    $num = number_format_i18n( $num_posts->publish );
    $text = _n( $post_type->labels->singular_name, $post_type->labels->name , intval( $num_posts->publish ) );
    if ( current_user_can( 'edit_posts' ) ) {
      $num = "<a href='edit.php?post_type=$post_type->name'>$num</a>";
      $text = "<a href='edit.php?post_type=$post_type->name'>$text</a>";
    }
    echo '<tr><td class="first b b-' . $post_type->name . '">' . $num . '</td>';
    echo '<td class="t ' . $post_type->name . '">' . $text . '</td></tr>';
  }
  $taxonomies = get_taxonomies( $args , $output , $operator );
  foreach ( $taxonomies as $taxonomy ) {
    $num_terms  = wp_count_terms( $taxonomy->name );
    $num = number_format_i18n( $num_terms );
    $text = _n( $taxonomy->labels->singular_name, $taxonomy->labels->name , intval( $num_terms ) );
    if ( current_user_can( 'manage_categories' ) ) {
      $num = "<a href='edit-tags.php?taxonomy=$taxonomy->name'>$num</a>";
      $text = "<a href='edit-tags.php?taxonomy=$taxonomy->name'>$text</a>";
    }
    echo '<tr><td class="first b b-' . $taxonomy->name . '">' . $num . '</td>';
    echo '<td class="t ' . $taxonomy->name . '">' . $text . '</td></tr>';
  }
}
add_action( 'right_now_content_table_end' , 'wph_right_now_content_table_end' );