php - Multiple DB connection class -

How do you create multiple DB connections using singleton patterns? Or maybe there is a better approach to sharing the same class, but many connections?

How to Use Factory Pattern To return the same example for each connection, for example < / P>

  ConnectionFactory :: getInstance (ConnectionFactory :: development);  

Gives an connection example for connection to the development database.

The principle of connection should be done only by ConnectionFactory , which can reference those examples in a stable array, connection type. This is to avoid the singleton pattern, but it ensures that you have every connection .