Mastering PHP 7

Anonymous classes

Instantiating objects from classes is a pretty straightforward action. We use the new keyword, followed by a class name and possible constructor parameters. The class name part implies the existence of a previously defined class. Though rare, there are cases where classes are only used during execution. These rare cases make it verbose to force a class definition separately when we know that the class is only being used once. To address this verbosity challenge, PHP introduced a new functionality called anonymous classes. While the concept of anonymous classes has been around for quite some time in other languages, PHP only got to it in the PHP 7 release.

The syntax of anonymous classes is pretty straightforward, which is ...