Blog Entries

OpenShift, Cron, and Naked Domains

As an experiment, I migrated my website over to OpenShift yesterday. I've been hosting a pastebin there already, and have found the service to be both straightforward and flexible; it was time to put it to a more thorough test.

In the process, I ran into a number of interesting issues, some of which took quite some time to resolve; this post is both to help inform other potential users of the service, as well as act as a reminder to myself.

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On php-fig and Shared Interfaces

This is a post I've been meaning to write for a long time, and one requested of me personally by Evert Pot during the Dutch PHP Conference in June 2012. It details some observations I have of php-fig, and hopefully will serve as a record of why I'm not directly participating any longer.

I was a founding member of the Framework Interoperability Group, now called "php-fig". I was one of around a dozen folks who sat around a table in 2009 in Chicago during php|tek and started discussions about what we could all do to make it possible to work better together between our projects, and make it simpler for users to pick and choose from our projects in order to build the solutions to their own problems.

The first "standard" that came from this was PSR-0, which promoted a standard class naming convention that uses a 1:1 relationship between the namespace and/or vendor prefix and the directory hierarchy, and the class name and the filename in which it lives. To this day, there are both those who hail this as a great step forward for cooperation, and simultaneously others who feel it's a terrible practice.

And then nothing, for years. But a little over a year ago, there was a new push by a number of folks wanting to do more. Paul Jones did a remarkable job of spearheading the next two standards, which centered around coding style. Again, just like with PSR-0, we had both those feeling it was a huge step forward, and those who loathe the direction.

What was interesting, though, was that once we started seeing some new energy and momentum, it seemed that everyone wanted a say. And we started getting dozens of folks a week asking to be voting members, and new proposal after new proposal. Whether or not somebody likes an existing standard, they want to have backing for a standard they propose.

And this is when we started seeing proposals surface for shared interfaces, first around caching, and now around logging (though the latter is the first up for vote).

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PHP Master Series on Day Camp For Developers

Cal Evans has organized another DayCamp4Developers event, this time entitled "PHP Master Series, Volume 1". I'm honored to be an invited speaker for this first edition, where I'll be presenting my talk, "Designing Beautiful Software".

Why would you want to participate? Well, for one, because you can interact directly with the various speakers during the presentations. Sure, you can likely find the slide decks elsewhere, or possibly even recordings. But if we all do our jobs right, we'll likely raise more questions than answers; if you attend, you'll get a chance to ask some of your questions immediately, and we may even answer them!

On top of that, this is a fantastic lineup of speakers, and, frankly, not a lineup I've ever participated in. In a typical conference, you'd likely see one or two of us, and be lucky if we weren't scheduled against each other; if you attend this week, you'll get to see us all, back-to-back.

What else will you be doing this Friday, anyways, while you wait for the end of the world?

So, do yourself a favor, and register today!

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My ZendCon Beautiful Software Talk

Once again, I spoke at ZendCon this year; in talking with Christian Wenz, we're pretty sure that the two of us and Andi are the only ones who have spoken at all eight events.

Unusually for me, I did not speak on a Zend Framework topic, and had only one regular slot (I also co-presented a Design Patterns tutorial with my team). That slot, however, became one of my favorite talks I've delivered: "Designing Beautiful Software". I've given this talk a couple times before, but I completely rewrote it for this conference in order to better convey my core message: beautiful software is maintainable and extensible; writing software is a craft.

I discovered today that not only was it recorded, but it's been posted on YouTube:

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Zend Server, ZF2, and Page Caching

Zend Server has a very cool Page Caching feature. Basically, you can provide URLs or URL regular expressions, and tell Zend Server to provide full-page caching of those pages. This can provide a tremendous performance boost, without needing to change anything in your application structure; simply enable it for a set of pages, and sit back and relax.

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OpenShift, ZF2, and Composer

I was recently shopping around for inexpensive cloud hosting; I want to try out a couple of ideas that may or may not have much traffic, but which aren't suited for my VPS setup (the excellent ServerGrove); additionally, I'm unsure how long I will maintain these projects. My budget for this is quite small as a result; I'm already paying for hosting, and am quite happy with it, so this is really for experimental stuff.

I considered Amazon, Orchestra.io, and a few others, but was concerned about the idea of a ~$50/month cost for something I'm uncertain about.

When I asked in #zftalk.dev, someone suggested OpenShift as an idea, and coincidentally, the very next day Zend announced a partnership with RedHat surrounding OpenShift. The stars were in alignment.

In the past month, in the few spare moments I've had (which included an excellent OpenShift hackathon at ZendCon), I've created a quick application that I've deployed and tested in OpenShift. These are my findings.

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Screencasting on Linux

I've been wanting to do screencasts on Linux for some time now, and my big stumbling block has been determining what tools to use.

The tl;dr:

  • Use recordMyDesktop to record video clips, but afterwards, re-encode them to AVI (see the script I used)
  • Record audio to WAV, or convert compressed audio to WAV format afterwards.
  • Use OpenShot to stitch clips together and layer audio and video tracks.
  • Remember to reset the video length if you change the playback rate.
  • Export to a Web + Vimeo profile for best results.

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ZF2 Modules Quickstart (Screencast)

One of the exciting features of the newly released Zend Framework 2 is the new module system.

While ZF1 had modules, they were difficult to manage. All resources for all modules were initialized on each request, and bootstrapping modules was an onerous task. Due to the difficulties, modules were never truly "plug-and-play", and thus no ecosystem ever evolved for sharing modules.

In Zend Framework 2, we've architected the MVC from the ground up to make modular applications as easy as possible. Within ZF2, the MVC simply cares about events and services — and controllers are simply one kind of service. As such, modules are primarily about telling the MVC about services and wiring event listeners.

To give you an example, in this tutorial, I'll show you how to install the Zend Framework 2 skeleton application, and we'll then install a module and see how easy it is to add it to the application and then configure it.

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On Microframeworks

A number of months ago, Ed Finkler started a discussion in the PHP community about “MicroPHP”; to summarize, the movement is about:

  • Building small, single-purpose libraries.
  • Using small things that work together to solve larger problems.

I think there are some really good ideas that have come out of this, and also a number of questionable practices1.

One piece in particular I've focussed on is the concept of so-called “microframeworks”.

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ZF2's New Controller::init()

In Zend Framework 1, controller's had an init() method, which was called after the controller was instantiated. The reason for it was to encourage developers not to override the constructor, and thus potentially break some of the functionality (as a number of objects were injected via the constructor). init() was useful for doing additional object initialization.


class MyController extends Zend_Controller_Action
{
    public function init()
    {
        // do some stuff!
    }
}

But this feature is missing from ZF2; how can we accomplish this sort of pattern?

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