News Feed
Sections




News Archive
Looking for more information on how to do PHP the right way? Check out PHP: The Right Way

Mathias Verraes:
Named Constructors in PHP
June 13, 2014 @ 09:42:15

Mathias Verras has a new post to his site about an idea he calls "named constructors". This method uses static factory methods to simulate the idea of a constructor and initialize the object.

PHP allows only a single constructor per class. That's rather annoying. We'll probably never have proper constructor overloading in PHP, but we can at least enjoy some of the benefits. Let's take a simple Time value object. Which is the best way of instantiating it? The only correct answer is "it depends".

His example shows the typical constructor creation with variable arguments, but points out that this can get messy quickly. His other method, the factory methods as "constructors", can make for a cleaner interface and makes the class more flexible. They make the object able to be initialized with different types of values and even satisfies the Single Responsibility Principle. He goes through a few examples using his "Time" class, showing how different "constructor" methods can be used to handle inputs ranging from a normal hour/minute format out to a "from minutes since midnight" value.

0 comments voice your opinion now!
named constructor factory method static tutorial time

Link: http://verraes.net/2014/06/named-constructors-in-php/

blog comments powered by Disqus

Similar Posts

IBuildings techPortal: Using PHP_CodeSniffer

Gonzalo Ayuso: Dynamic routes with AngularJS and Silex

NetTuts.com: Quick Tip: Integrate Compass into an Existing CodeIgniter

PHPWomen.org: One way to handle concurrency in a multi-user web app

Zend Developer Zone: Zend_Acl / Zend_Auth example scenario


Community Events





Don't see your event here?
Let us know!


interview conference community language list security introduction framework release opinion tool version library composer series podcast laravel symfony artisanfiles voicesoftheelephpant

All content copyright, 2014 PHPDeveloper.org :: info@phpdeveloper.org - Powered by the Solar PHP Framework