PHP Quick Scripting Reference

CHAPTER 16

Traits

A trait is a group of methods that can be inserted into classes. They were added in PHP 5.4 to enable greater code reuse without the added complexity that comes from allowing multiple-inheritance. Traits are defined with the trait keyword followed by a name and a code block. The naming convention is the same as for classes, with each word initially capitalized. The code block may only contain static and instance methods.

trait PrintFunctionality{  public function myPrint() { echo 'Hello'; }}

Classes that need the functionality that a trait provides can include it with the use keyword followed by the trait’s name. The trait’s ...