How to use the try-catch block in PHP?

How to catch multiple exceptions in PHP?

How to use the Facade design pattern in PHP for simplified interfaces?

How to use the Proxy design pattern in PHP for lazy loading and caching?

How to use the Iterator design pattern in PHP for easy traversal of collections?

How to use the Memento design pattern in PHP for restoring state?

How to use the Factory Method design pattern in PHP to create objects?