README

This library supports C# and kotlin style extension methods for any class that uses the Extensible trait. This library differs from some other libraries in that it is not possible for extension methods to get access to private properties and methods, allowing library authors to maintain proper encapsulation.

Installing

composer require jcstrandburg\extension-methods

Usage

class Person
{
  use trait Extensible;

  public function __construct(string $firstname, string $lastname) {
    $this->firstname = $firstname;
    $this->lastname = $lastname;
  }

  public function getFirstname() {
    return $this->firstname;
  }

  public function getLastname() {
    return $this->lastname;
  }

  private $firstname;
  private $lastname;
}

Person::extend('getFullname', function (Person $x) {
  return $x->getFirstname() . ' ' . $x->getLastname();
});

$bob = new Person('Bob', 'Roberts');
$bob->getFullname() == 'Bob Roberts';

Version History

Unreleased

1.1

Changed

Reworked internal implementation to fix several issues with inheritance. It is now possible to register extension methods for classes extending a base class with the Extensible trait even if the extending class itself doesn't have the Extensible trait.

1.0

Added

Extensible trait

jcstrandburg / extension-methods

Maintainers

Details