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Jurian Sluiman:
SoflomoCache manage your ZF2 cache services
May 09, 2014 @ 09:53:32

Jurian Sluiman has posted about the release of a tool that aims to help you with cache handling in your Zend Framework 2 applications, the SoflomoCache component.

aching is an essential part in scaling your application, but Zend Framework 2 was missing a utility to manage your caches. Until now! During deployments we usually flushed the cache in a tedious and cumbersome way by directly accessing the apc_* functions in a custom script. This could certainly be improved and so we wrote a command line utility to manage all our cache services.

He includes a few snippets of code showing how to implement the component in your configuration and use it via ZF2's dependency injection handling. He also includes a list of the commands that can be used along with it to flush the cache, either all simultaneously or a single one (defined as a CLI option). It can also flush by namespace and handle the refresh of your combined configuration and module map.

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zendframework2 cache management component project service

Link: https://juriansluiman.nl/article/134/soflomo-cache-manage-your-zf2-cache-services

Dutch Web Alliance:
Using Varnish with ESI for a REST API
May 08, 2014 @ 10:23:35

In the latest post to the Dutch Web Alliance blog Bas de Nooijer looks at a handy use of ESI in Varnish as a part of the output for a REST API. ESI (Edge Side Includes) let you handle the caching and reuse of fragments of the output from your application and define different caching rules/techniques for each.

For a project I'm currently working on we are implementing a REST API. Performance for this API is critical, so amongst some other solutions Varnish is used. This was done with minimal effort, as the API already had the correct caching headers. There was a noticeable improvement, however I had the feeling this could be improved much more. I realised I can basically compare our REST API to any website, it uses HTTP in the same way. The main diffence is the content being JSON instead of HTML. Just like most websites, our API composes content in many different ways, for instance 'standalone' resources, collections of resources or embedded resources. In a website this would be a clear use case for ESI, so why not use it in our API?

He starts off by asking the question "why use ESI in an API" and compares the ESI method to the more traditional caching rules and handling. He includes two diagrams showing the flow of each handling type along with a brief description of how it would extract and combine the data. With the background out of the way, he gets into the code. He shows how to enable JSON caching in Varnish and the JSON tag information you'll need to include to tell Varnish to do its job.

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varnish rest api tutorial cache esi edge side include

Link: https://dutchweballiance.nl/techblog/using-varnish-with-esi-for-a-rest-api

Edd Mann:
Storing PHP Sessions/File Caches in Memory using TMPFS
April 17, 2014 @ 11:19:59

Edd Mann (of the Three Devs & A Maybe podcast) has shared a method of session storage he worked up to help increase performance in his application. He shows how to store sessions in memory with the help of TMPFS.

Yesterday I was looking through some application logs and noticed a significant bottleneck with I/O reads in the implemented file cache. [...] This was when I found 'tmpfs', saving me from all sorts of issues relating to adding yet another application to the production stack. 'tmpfs' appears as a mounted partition on your system, however, under the hood it allocates and uses a section of physical memory (non-persistent through reboots). [...] his results in the desired speed boosts, without tampering with the application logic itself. Even better, if the mount is unsuccessful for some reason, it will safety fall-back to using the persistent hard-disk solution.

Since PHP sessions make it easy to change the "save_path" location for the data in an ini value, setup is easy. He includes the needed configuration change and the commands you'll need to mount the tmpfs partition on your local file system.

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tmpfs session file cache memory tutorial comamnds ini

Link: http://eddmann.com/posts/storing-php-sessions-file-caches-in-memory-using-tmpfs

NetTuts.com:
Laravel Unwrapped Session, Auth and Cache
March 11, 2014 @ 11:57:10

On NetTuts.com today there's a new tutorial introducing you to the Laravel framework and how to use its session, authentication/authorization and caching systems.

One thing though that not a lot of programmers take advantage of is Laravel's component-based system. Since its conversion to composer-powered components, Laravel 4 has become a very modular system, similar to the verbosity of more mature frameworks like Symfony. [...] In this tutorial, we'll be diving into a group of these components, learning how they work, how they're used by the framework, and how we can extend their functionality.

First up is the session component that lets you store the data in various places (file, cookie, etc) and how service providers fit into this. Next up is the Auth component, showing how to use the service providers to hook into a custom auth handler for finding and validating user logins. Finally, there's the Cache component. He shows how to apply a service provider to configure it, passing the data off to a MongoDB database to be stored.

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laravel tutorial session cache authentication serviceprovider framework

Link: http://code.tutsplus.com/tutorials/laravel-unwrapped-session-auth-and-cache--cms-19952

Master Zend Framework:
Make Module Configs Cacheable with the ZF2 Factory Interface
March 07, 2014 @ 11:25:09

Matthew Setter has a new post today on the "Master Zend Framework" site looking at the use of caching for Zend Framework 2 module configurations.

For the longest time, I've been using closures in my Zend Framework 2 Modules Module class. I know they're not always the best approach, but they're not necessarily wrong either. But after reviewing Gary Hockin's recent talk at PHP Conference UK, I was reminded that outside of APC and OPCache, closures aren't cacheable. [...] So in today's tutorial, I'm going to show you a simple example of how to migrate from closures using [caching with Memcached, Redis and so on].

He starts with an example of the standard closure approach, returning an array from his "getServiceConfig" method with sub-array and object creation nested inside. He then refactors it to use the "FactoryInterface" to handle the configuration setup for the "delete form" handling.

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module configuration cache zendframework2

Link: http://www.masterzendframework.com/tutorial/zf2-factory-interface-closure-migration

SitePoint PHP Blog:
The Pros and Cons of Zend Certification
February 10, 2014 @ 11:35:49

The SitePoint PHP blog has a new post that weighs the pros and cons of getting the Zend PHP Certification. The Zend Certified PHP Engineer is described as "a measure of distinction that employers use to evaluate prospective employees".

As a PHP developer, you may have been asking yourself how to improve your skills, gain reputation or become more professional in your work. One of the ways of doing so is to get through a certification programme. The only one that covers PHP itself (not a particular framework or software solution) is being delivered by the Zend company. In the remainder of the article I will focus on this particular certificate and describe its advantages and disadvantages. At the end I will also mention some other certification programs that may be valuable to a PHP developer.

He starts with a bit of general information about the certification including some of the categories it covers. He then gets into the pros and cons, listing two items for each. He suggests that it's a good way to measure your knowledge but there is a question of how much it really proves to get a passing score.

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zend certification opinion pro con developer

Link: http://www.sitepoint.com/pros-cons-zend-certification/

PHPClasses.org:
Lately in PHP Podcast #43 - "Is Facebook HHVM going to Replace Zend Engine in PHP6"
January 20, 2014 @ 11:36:41

On the PHPClasses.org site today they've published the latest episode in their "Lately in PHP" podcast series, Episode #43 - "Is Facebook HHVM going to Replace Zend Engine in PHP 6".

The Facebook HipHop Virtual Machine, HHVM, has been evolving a lot, so PHP developers are considering it as a possible replacement for Zend Engine in PHP 6. This was one of the main topics discussed by Manuel Lemos and César Rodas in the episode 43 of the Lately in PHP podcast. They also discussed other topics like FastCGI support in HHVM, having PHP function naming consistency plans for PHP 6, TLS peer verification for secure connections, and using Composer to install JavaScript, CSS and images for PHP projects.

You can listen to this latest episode either through the in-page player, by downloading the mp3 or watching the live video recording from the Google Hangout.

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hhvm zend engine php6 podcast latelyinphp episode

Link: http://www.phpclasses.org/blog/post/225-Is-Facebook-HHVM-going-to-Replace-Zend-Engine-in-PHP-6--Lately-in-PHP-podcast-episode-43.html

Lorna Mitchell:
Zend Certified PHP Developer 5.5
January 08, 2014 @ 09:23:45

If you're thinking about taking the Zend Certified PHP Developer (5.5) test but aren't sure exactly where to start, Lorna Mitchell has provided a list of some good resources to help you out.

Yesterday I updated my previous ZCE certificate to the Zend Certified PHP Developer qualification (the new ZCE for PHP 5.5 also got a new name). Since the ZCE 5.3 exam is no longer available and I work with various clients to prepare their teams for these certifications, it was important to me that I keep my own certification up to date. Now I've done that, I'd like to share some resources for others doing the same thing.

She points to a few things that could help you make the grade:

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zend certified developer test certification resource list

Link: http://www.lornajane.net/posts/2014/zend-certified-php-developer-5-5

SitePoint PHP Blog:
HHVM revisited
December 23, 2013 @ 10:57:01

The SitePoint PHP blog has a new post from Bruno Skvorc talking about a technology that's growing more and more popular all the time in the PHP ecosystem - HHVM, the virtual machine version of Facebook's HipHop software.

Just over two years have passed since the last post about HHVM by Matt Turland. What changed in that time? Did anything? Let's see just how successful PHP's quest for performance was.

Bruno takes a step back and, for those not sure what the HHVM is, explains the technology a bit and what some of the project's goals are. He talks about its compatibility with current software (like OSes and web servers) and the inclusion of FastCGI support. He also talks about some of the other main issues around the use of the HHVM like:

  • Performance considerations
  • Pre-analyzing
  • Authoritative Cache
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hhvm update article performance fastcgi cache

Link: http://www.sitepoint.com/hhvm-revisited/

Inviqa techPortal:
Create a RESTful API with Apigility
December 04, 2013 @ 09:29:15

On the Inviqa techPortal they've posted a new tutorial from Rob Allen introducing Apigility, the recently announced API management and creation tool from Zend. He uses his usual album/music illustration to show how to create a simple API inside the tool.

On the 7th October 2013, Zend introduced Apigility to the world. Once you get beyond the name, you see a very interesting project that allows you to easily create a web service without having to worry about the nitty-gritty details. Which details? Well, Apigility will handle content negotiation, error handling and versioning for you, allowing you to concentrate on your application. In the recently tagged 0.7 release, Apigility also supports both HTTP and OAuth2 authentication. In this tutorial we will create a simple REST API that allows us to view a list of music albums, showing how to start using Apigility and how to publish an API using this tool.

He walks you through all the steps you'll need to create the basic API, more specifically around the "Albums" data and functionality:

  • Creating a new project with Composer
  • Using the Admin dashboard to create a new API
  • Making a new REST endpoint (albums)
  • Building an Album collection endpoint (with Collection, Entity and Resource)
  • Making the data model, including the table SQL

He includes all the code you'll need for these last few items and shows the curl calls to make for grabbing a single and multiple album listings. There's also a brief discussion in there about how Apigility handles API versioning with some internal handling.

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apigility zend rest api tutorial introduction

Link: http://techportal.inviqa.com/2013/12/03/create-a-restful-api-with-apigility/


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