PHP Predefined Interfaces and Classes

PHP provided some predefined interfaces and classes to implement classes and interfaces with some predefined awesome functions & concepts.

There are the list of predefined interfaces and classes, to read complete information follow this list:

• Traversable - Interface to detect if a class is traversable using foreach.

• Iterator - Interface for external iterators or objects that can be iterated themselves internally.

• IteratorAggregate - Interface to create an external Iterator.

• Throwable - Throwable is the base interface for any object that can be thrown via a throw statement.

• ArrayAccess - Interface to provide accessing objects as arrays.

• Serializable - Interface for customized serializing.

• Closure - Class used to represent anonymous functions.

• Generator - Generator objects are returned from generators.