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Up-to-the Minute PHP News, views and community



Published: Thu, 23 Mar 2017 19:12:09 -0500

 



TutsPlus.com: Building With the Twitter API: Creating Friends to Follow

Thu, 23 Mar 2017 12:32:04 -0500

The TutsPlus.com site has posted the latest tutorial in their "Building with the Twitter API" series showing how to, in a Yii2 application, automatically add friends to a Twitter account via the Twitter API. You've probably seen this in several services that offer suggestions of followers to add to your list.

Today I'll guide you through using the Yii2 Framework for PHP to access the Twitter API and automate adding friends to people's Twitter accounts. (If you'd like to learn more about Yii2, check out our parallel series Programming With Yii2.)

And, I've created a website, Twixxr.com, which will let you demonstrate the feature by adding prominent women on Twitter for your account to follow.

The tutorial starts with links to some of the other Twitter tutorials that have been posted in the past and how things have evolved to make it easier in a Yii2 application. He starts by helping you get the Twitter OAuth PHP Library installed and lists some of the goals of the end result. The code is included to authorize the user and handle the callback once they've approved the app in the normal OAuth flow. It then shows how to connect via the API using that user's information, load profiles for the suggested users and link them as a friend. The tutorial finishes with a look at performance and a bit of code used to handle the backend processing of the request instead of performing it in real time.




PhpStorm Blog: Working With PHPUnit and PhpStorm

Thu, 23 Mar 2017 11:50:12 -0500

On the PhpStorm blog (from JetBrains) Gary Hockin reflects on a post from Adam Wathan with tips for combining PHPUnit and PhpStorm for more effective debugging.

Community stalwart and Laravel aficionado Adam Wathan blogged on his PHPUnit workflow in Sublime text.

Gary then goes through the points in Adam's post and shows how they can (mostly) be accomplished directly in PhpStorm:

  • Generating unit test boilerplate for a class
  • Using "snippets" to create shortcuts for reusable code
  • Running the tests in just one file directly from the IDE

Each section comes with a brief description and animated screen grabs showing the flow of the setup and use for each.




Robert Basic: Loading fixtures for a Symfony app in Behat tests

Thu, 23 Mar 2017 10:38:58 -0500

Robert Basic has a new post to his site with some advice for the Behat users out there testing their Symfony applications. He shows how to easily load up fixture data with the help of Doctrine.

Performing end to end testing of any application requires from us to have a set of reliable test data in the database.

If we write a Symfony application and use Behat to do the end to end testing, the we can use the Doctrine fixtures bundle to create the required fixture loaders and load them in our Behat scenarios when required.

He walks you through the installation of the Doctrine fixtures bundle (via Composer, naturally) and how to enable it via the Symfony kernel configuration. He then includes an example of the fixture loader class from the FOSUserBundle and how it works. Next up is the installation of the Behat Symfony 2 extension and a bit of extra code to make a new feature context for Behat containing a "loadDataFixtures" method to do the heavy lifting.




Delicious Brains Blog: Dependency Management and WordPress: A Proposal

Thu, 23 Mar 2017 09:11:47 -0500

On the Delicious Blog Ian has written up a post with a proposal for WordPress suggesting that it introduce some functionality to help with dependency management and possible conflicts between the needs of plugins.

Dependency hell’ is a problem faced by all software, and it has been rearing its ugly head in the WordPress space over the last few years with more and more plugins using third-party libraries of code. [...] The most frustrating thing about this issue is that it’s caused by having the best of intentions! Developers use third-party code to be efficient and avoid reinventing the wheel. The code has been written by others and used and battled tested by many.

The WordPress community has a hard enough time already trying to get onboard with Composer (unlike the rest of the PHP world), without it getting tarred with the wrong brush!

He points out that, while this does have to do with packages installed through it, Composer itself isn't the issue. He offers a few suggestions and what he sees as an "ideal approach" to the problem based on some of the ideas presented here. He breaks it down into four types of code: third-party installed via Composer, Composer packages in core, custom Composer behavior and the idea of "package sandboxing". He includes some of the considerations to make this happen and plans on how the idea can move forward.







Stefan Koopmanschap: Sculpin and Docker

Wed, 22 Mar 2017 12:49:05 -0500

Stefan Koopmanschap has written up a tutorial on his site introducing the use of Docker and Sculpin to create an easily reproducible and manageable blogging setup.

I've been running this blog on Sculpin for quite a while now, and I'm quite happy with how that works. We've been in a process of migrating some of our websites off a standard VPS towards a setup with Docker, Gitlab CI and Rancher. I've now migrated some websites, which is relatively easy, but most of those sites were dynamic PHP websites. Migrating a site that generates static HTML and running that is a slightly different thing. Here's how I ended up doing it.

First he covers his old setup - essentially the manual run of a shell command to generate the latest version of a the static Sculpin site. He decided to update the process and help makes things more automatic using Docker and a Gitlab pipeline flow. He then documents his attempts and configuration options as he built up the Docker configuration he wanted. This ultimately resulted in a Docker setup that installed PHP and Nginx to serve up the site, Composer to load in the required dependencies (like Sculpin) and the commands to "deploy" the latest version of the site publicly.




Simon Holywell: PHP and immutability

Wed, 22 Mar 2017 11:21:37 -0500

In a recent post to his site Simon Holywell covers immutability in PHP. PHP, by default, uses weak typing and doesn't support much in the way of immutability but Simon shows you a few ways you can get around this and make immutable objects you can use and extend.

Being a weakly typed dynamic language, PHP has not really had the concept of immutability built into it. We’ve seen the venerable define() and CONSTANTS of course, but they’re limited. Whilst PHP does ship with an immutable class as part of it’s standard library, DateTimeImmutable, there is no immediately obvious method to create custom immutable objects.

[...] It is possible to write your own immutables using some simple and sneaky PHP techniques though. We’re going to use a simplistic data requirement to make the examples in this article easier to follow. I’ll be using professional skateboarders and the tricks that they brought to the world.

He starts the article talking about immutability and how it relates back to the current (as of PHP 7) values supported in constants - scalars and arrays (no objects). He then starts on the code to create the base Immutable class that sets its values via the constructor. He then points out some of the common "work arounds" people use when trying to work with immutable objects and some techniques to help prevent it: the use of final, a "flag" preventing another constructor call, etc.




QaFoo: How to Perform Extract Service Refactoring When You Don't Have Tests

Wed, 22 Mar 2017 10:42:39 -0500

On the QaFoo blog they've posted an article sharing advice about refactoring to extract logic to services when there's no testing to cover the code.

When you are refactoring in a legacy codebase, the goal is often to reduce complexity or separate concerns from classes, methods and functions that do too much work themselves. Primary candidates for refactoring are often controller classes or use-case oriented service classes (such as a UserService).

Extracting new service classes is one popular refactoring to separate concerns, but without tests it is dangerous because there are many ways to break your original code. This post presents a list of steps and checklists to perform extract service when you don't have tests or only minimal test coverage. It is not 100% safe but it provides small baby-steps that can be applied and immediately verified.

The article talks about some of the primary risks when performing this kind of refactoring and how their extract method recommendations could case some of those issues. The tutorial then breaks down the process into the small steps:

  • Step 1: Create Class and Copy Method
  • Step 2: Fix Visibility, Namespace, Use and Autoloading
  • Step 3: Check for Instance Variable Usage
  • Step 4: Use New Class Inline
  • Step 5: Inline Method
  • Step 6: Move Instantiation into Constructor or Setter
  • Step 7: Cleanup Dependency Injection

While that seems like a lot of steps to take, they're all pretty small. They include a series of code snippets giving you an example to work from, making these small steps to refactor current functionality into a Solr service class.




Zend Framework Blog: Create ZPKs the Easy Way

Wed, 22 Mar 2017 09:05:17 -0500

On the Zend Framework blog Enrico Zimuel has posted a tutorial showing you how to easily create ZPKs and package up your application for deployment on Zend Server.

Zend Server provides the ability to deploy applications to a single server or cluster of servers via the ZPK package format. We have offered zf-deploy for creating these packages from Zend Framework and Apigility applications, but how can you create these for Expressive, or, really, any PHP application?

They start by listing out some of the requirements you'll need to get started (the zip binary, Composer, etc). The tutorial then walks you through the setup including the contents of the .htaccess and deployment.xmlconfiguration files. It then walks through the installation of dependencies and actually creating the ZFK (via the zip binary). It wraps up with a simple example of the creation of a ZPK containing a single index.php file.




Community News: Recent posts from PHP Quickfix (03.22.2017)

Wed, 22 Mar 2017 08:05:01 -0500

Recent posts from the PHP Quickfix site: