PDO Dynamic Query Building

Question

I have been old school using mysql_query and starting out now using PDO. Which is great!

But in my old scripts I had build a dynamic query builder, and i\'m having a

Answer 1

What about this?

public function select($where, $limit) {
    $query = "SELECT ". implode(", ", $this->dbFields) ." FROM ". $this->table." WHERE ". $where ." ". $limit."";
    $this->connection->query($query);
}

//Use what you had before:
$results = $db->select("userId = 111 OR userId = 222");

Not sure why you want to use transaction (for all-or-nothing basis or catching exceptions and rollback) or prepared queries (for sending multiple queries)...