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SitePoint PHP Blog:
PHP and RabbitMQ Advanced Examples
October 20, 2014 @ 14:19:33

On the SitePoint PHP blog Miguel Ibarra Romero continues his series looking at the use of RabbitMQ with PHP in part two. He builds on the code (and setup) from the first part of the series and gets into some more advanced examples this time.

In part 1 we covered the theory and a simple use case of the AMQP protocol in PHP with RabbitMQ as the broker. Now, let's dive into some more advanced examples.

The remainder of the post includes two examples of more advanced operations:

  • Example 1: send request to process data asynchronously among several workers
  • Example 2: send RPC requests and expect a reply

Each example includes a diagram of the overall flow of the process, the code to make it happen both for the sender and receiver.

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rabbitmq advanced example tutorial series part2

Link: http://www.sitepoint.com/php-rabbitmq-advanced-examples/

SitePoint PHP Blog:
Bitcoin and PHP with Coinbase's API - Demo App
October 09, 2014 @ 09:25:51

The SitePoint PHP blog has posted the second part of their series about using the CoinBase API through PHP. In this new tutorial they use the API connection made in the first part via the Coinbase SDK.

In part 1, we covered basic installation and usage of Coinbase's Bitcoin PHP API and the accompanying SDK. In this second and final part, we'll be building our sample application.

He briefly shows how to send and receive bitcoins before diving into the application. His simple application includes a basic welcome page, a payment page, thanks page and a cancel page (in case of errors). Complete code for the HTML, CSS, and PHP (API calls) is included in the post. He shows how to create the button to start the payment process and add it to the page.

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coinbase bitcoin series tutorial part2 demo application

Link: http://www.sitepoint.com/bitcoin-php-coinbases-api-demo-app/

Matthew Weier O'Phinney:
Deployment with Zend Server (Part 2 of 8)
August 29, 2014 @ 11:55:04

Matthew Weier O'Phinney has posted the second part of his series with some tips around application deployment with Zend Server. In this latest post he shares his second tip related to recurring jobs.

This is the second in a series of eight posts detailing tips on deploying to Zend Server.The previous post in the series detailed getting started with zf-deploy to create ZPK packages to deploy to Zend Server. Today, I'm looking at how to created scheduled/recurring jobs using Zend Server's Job Queue; think of this as application-level cronjobs.

Instead of running the jobs as cron tasks (which may or may not be installed if there's multiple servers), he opts for a software-based approach. He walks you through the use of the Zend Server Job Queue to create a simple reoccurring execution to run a PHP script at a certain time. He includes some code examples with one showing just the scheduling of a job and the other showing how to detach previous jobs and add only the new ones that weren't scheduled before.

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deployment zendserver tip series part2 cron reoccurring jobs

Link: http://mwop.net/blog/2014-08-28-zend-server-deployment-part-2.html

SitePoint PHP Blog:
PINQ - Querify Your Datasets - Faceted Search
August 26, 2014 @ 10:58:22

The SitePoint PHP blog has continued their series showing the use of the PINQ library for PHP (a PHP implementation of the LINQ tool). In part one they introduced the tool and showed how to it could be used to query and sort data. In this second part they move on and show how to perform a multi-faceted search on data from a MySQL database.

We are not going to cover the full aspect of faceted search in this series. Interested parties can refer to relevant articles published on Sitepoint and other Internet publications. [...] Unfortunately, faceted search is not a built-in feature provided by MySQL yet. What can we do if we are using MySQL but also want to provide our users with such a feature? With PINQ, we'll see there is an equally powerful and straightforward approach to achieving this as when we are using other DB engines - at least in a way.

Building from the code from the first part of the series, they create a few more simple routes that let you define the different facets to use for the searching/sorting. He creates a custom facet class that uses the "traversable" handling of the PINQ to do the data manipulation. He creates a few different facet objects, each creating a customized filter. finally, he ties it all back into the endpoint and includes the updated markup to show the results. He finishes up the post mentioning a few limitations and improvements that could be made on the example as well.

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pinq query dataset mysql faceted search tutorial series part2

Link: http://www.sitepoint.com/pinq-querify-datasets-faceted-search/

NetTuts.com:
Understanding and Working with Relationships Between Data in WordPress
August 01, 2014 @ 09:21:54

NetTuts.com has posted the second part of their series looking at the "guts" of a typical WordPress installation. In the first part they gave an overview of the structure and contents of the various database tables. In this second part they get more into the relationships between them.

In the first part of this series on data in WordPress, I gave an overview of the WordPress database tables, and which tables are used to store what kind of data. In this second part, I'll outline how WordPress manages the relationships between that data. As you'll see, WordPress uses three kinds of data relationship - one-to-one, one-to-many and many-to-many. I'll look at each of these and what they mean for your WordPress site.

He goes through each of the relationship types and includes examples from the WordPress database to illustrate them. He then gets into a bit more depth, talking about the specifics of some relationships like: posts-to-users, posts-to-comments, comment-to-comment and the structure of the many-to-many relationships too.

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wordpress series data database relationship tutorial part2

Link: http://code.tutsplus.com/tutorials/understanding-and-working-with-relationships-between-data-in-wordpress--cms-20632

SitePoint PHP Blog:
Automate PHP with Phake - Real World Examples
July 10, 2014 @ 12:51:07

The SitePoint PHP blog has posted part two of their series looking at using Phake for automation in your applications. In this second part they take some of the basics they shared in part one and apply them in some more practical examples.

In part one, we covered the basics of Phake and demonstrated ways of executing tasks with it, covering groups, dependencies, and arguments. In this part, we'll look at some sample real world applications of Phake. Note that the following examples are largely based on things that I usually do manually that need some sort of automation.

He includes three different task examples, each with the code to make them happen (and descriptions of what it's doing):

  • Uploading Files to Server with a Phake task
  • Seeding the Database
  • Syncing Data

You can find out more about Phake on the project's GitHub page (including grouping, aborting and describing tasks).

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phake automate library tutorial part2 practical example

Link: http://www.sitepoint.com/automate-php-phake-real-world-examples/

Matthias Noback:
Symfony2 Framework independent controllers parts 2 & 3
June 19, 2014 @ 09:45:34

Matthias Noback has posted the next two parts of his "framework independent controllers" series (it started here) looking at avoiding annotations and tying up some loose ends.

From part two about annotations:

In the previous part of this series we decreased coupling of a Symfony controller to the Symfony2 framework by removing its dependency on the standard Controller class from the FrameworkBundle. Now we take a look at annotations. They were initially introduced for rapid development (no need to create/modify some configuration file, just solve the issues inline!) [...] This might not seem such a big problem at all, but the SensioFrameworkExtraBundle is a bundle, which means it only works in the context of a Symfony2 application. We don't want our controller to be coupled like this to the framework (at least, that is the point of this series!), so we need to remove the dependency.

He shows how to decouple this functionality through a proper routing configuration, fetching the needed data yourself for the request and generating the request object yourself. In part three he covers some of the comments already made about the series and how to take the final steps to abstracting out the controllers: removing bundle names from templates, removing the HttpFoundation dependency and letting go of "action methods".

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controller independent symfony series part2 part3

Link: http://php-and-symfony.matthiasnoback.nl/tags/controller/

SitePoint PHP Blog:
IronMQ and Laravel Implementation
May 29, 2014 @ 12:11:07

The SitePoint PHP blog has posted the latest tutorial in their "IronMQ and Laravel" series (part two of two) showing you the actual implementation of the queue handling, building on the configuration and structure from the previous post.

Welcome back to the IronMQ and Laravel series - this is the second and final part in which we finalize our background-job enabled web app. [...] We will make a jobs table which has job_id, and the status of the job. When you put a job on the queue, the job status will be queued and when we receive the job, we set the status to running. Accordingly, after finishing it we will mark it finished.

They start out by creating the "jobs" table in MySQL (via a migration) and follow it with the matching model. A basic template is also included for viewing the current job information and populating its data. Finally, a "run" method is created in the controller to actually execute a job. Using this, they set up the image resize functionality, creating the "photo" table, model and template to output the results of the image manipulation. They've also included a simple version of the editing of the image, allowing the user to resize based on the inputted height and width.

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orinmq laravel tutorial part2 implementation

Link: http://www.sitepoint.com/ironmq-laravel-implementation/

Master Zend Framework:
Using Sessions In Zend Framework 2 - Part 2
May 06, 2014 @ 11:18:26

The Master Zend Framework continues its series about using sessions in Zend Framework 2 applications. In part two of the series he focuses on validators and some of the backend storage options the framework makes possible.

In last week's tutorial we covered the basics of sessions in Zend Framework 2, looking at how to implement them by making changes to module/Application/Module.php so that they're available application-wide then how to both set and retrieve information in the session. In this week's tutorial, we're going to take last week's post further, by looking at session validation as well as different backends. These two things will help protect your session data from session hijacking, as well as help you scale your application, by storing the information using a more universal backend, which a filesystem most often times will never be.

He starts off with a bit of background about the structure of an average session in the framework is like, broken out into sections via the "Container" object. Then he starts in on the validators and describes a two of the built-in methods: "HttpUserAgent" and "RemoteAddr". A few code examples are included before he moves on to the backend options (like Cache, DbTable and MongoDB) using a "StorageFactory" object in the configuration.

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session zendframework2 part2 series validate backend

Link: http://www.masterzendframework.com/sessions/using-sessions-zend-framework-2-part-2

SitePoint PHP Blog:
PHP Extension Development with PHP-CPP Object Oriented Code
April 08, 2014 @ 09:11:17

The SitePoint PHP blog has posted the second part of their look at the PHP-CPP tool and how to use it for developing PHP extensions. In this second part of the series Taylor Ren builds on what was learned in part one and talks more about the OOP features of the tool.

In this part, we further elaborate its OO features. We will mimic a complex number (in the form of 3+4i) class to demonstrate some more useful and powerful sides of the PHP-CPP library.

He walks you though a few changes to the environment files (the .ini configuration file and the Makefile) to set things up. He then gets into the C++/PHP constructor and getters and setters for private class variables, much like PHP's __get and __set. His example shows a set of methods that do some mathematical calculations including one to show the result in a "more friendly way". He includes the code for registering these functions and, finally, the steps to compile, install and test the extension.

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phpcpp extension development part2 series oop code

Link: http://www.sitepoint.com/php-extension-development-php-cpp-object-oriented-code


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