Email us at info@henrytech.org to discuss your Drupal Migration today!
Abstract classes may have implemented methods, whereas interfaces have no implementation in themselves.
One can implement multiple interfaces, but not extend multiple classes (or abstract classes).
An abstract class implements an interface, which defines things that your objects needs to implement. An abstract class is a like a “default” class that should be able to be easily extended by static classes that are specific to objects.
Function Types: