Search feature not working at all

function search_catalog_array($search, $limit = null, $offset = 0){
  include('connection.php');
  //$category = strtolower($category);
  try {
    $sql = "SELECT media_id, title, category, img
            FROM Media
            WHERE title LIKE ?
            ORDER BY
            REPLACE (
              REPLACE(
                REPLACE(title, 'The ', ''),
                'An ',
                ''
              ),
              'A ',
              ''
            )";

    if(is_integer($limit)){
      $results = $db->prepare($sql . " LIMIT ? OFFSET ? ");
      $results->bindValue(1, "%".$search."%", PDO::PARAM_STR);
      $results->bindParam(2, $limit, PDO::PARAM_INT);
      $results->bindParam(3, $offset, PDO::PARAM_INT);
    }else{
      $results = $db->prepare($sql);
      $results->bindValue(1, "%".$search."%", PDO::PARAM_STR);
    }
    $results->execute();
  } catch (Exception $e) {
    echo "Unable to retrieved results";
    exit;
  }

  $catalog = $results->fetchALL(PDO::FETCH_ASSOC);
  return $catalog;
}

function get_catalog_count($category = null, $search = null){
  $category = strtolower($category);
  include('connection.php');

  try {
    $sql = "SELECT COUNT(media_id) FROM Media";
    if(!empty($search)){
      $result = $db->prepare(
        $sql
        . " WHERE title LIKE ?");
      $result->bindValue(1, "%".$search."%", PDO::PARAM_STR);
    }elseif(!empty($category)){
      $result = $db->prepare(
        $sql
        . " WHERE LOWER(category) = ?"
      );
      $result->bindParam(1, $category, PDO::PARAM_STR);
    }else{
      $result = $db->prepare($sql);
    }
    $result->execute();
  } catch (Exception $e) {
    echo "Bad query";
    echo $e;
  }

  $count = $result->fetchColumn(0);
  return $count;

}