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SitePoint PHP Blog:
Use Laravel Contracts to Build a Laravel 5 Twig Package
March 16, 2015 @ 11:52:13

The SitePoint PHP blog has a new tutorial posted showing you how to integrate Twig into a Laravel application with the help of the recently added "contracts" feature of the framework. Twig is a templating library that aims to be fast, secure and flexible for data output in multiple contexts.

Laravel 5 is finally out, and with all the awesome features it brings. One of the new architectural changes is the new Contracts Package. In this article we are going to understand the reasoning behind this change and try to build a practical use case using the new Contracts.

He starts with a brief look at what Contracts are and what it means to use them in a Laravel application. He then shows how to define the package installation (via Composer) to pull Twig in and register it with the application for future use. He creates a simple service provider to register Twig and return a new "TwigFactory" instance. This instance extends the "FactoryConnect" implementing the "ViewFactory" and, along with a custom "TwigView" object can be used just like you would normally output information via Blade.

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laravel contract twig output template handling provider interface

Link: http://www.sitepoint.com/use-laravel-contracts-build-laravel-5-twig-package/

Paul Jones:
Bookdown DocBook-Like HTML Output From Markdown
March 05, 2015 @ 10:49:27

Paul Jones has posted about a new tool he's worked up specifically for authors looking to write using Markdown and wanting it to generate out like DocBook results. His tool, Bookdown, uses Markdown and JSON files instead of XML configurations.

Yes, I know, there's a ton of static site generators for PHP out there already [...but they're] not DocBook-like documentation. By "DocBook-like", I mean (among other things) numbered headers, auto-generated tables-of-contents on their own pages, hierarchical multi-page presentation, and the next/previous/up linking at the top and bottom of pages.

[...] So: Bookdown. This scratches my particular itch, with very few dependencies. Bookdown, although it can be used as a site generator, is only incidentally a site generator. What it really is is a page generator, with the idea that you can integrate the pages into any other site you want.

The library is separate from the project and is written to use a dependency injection methodology to keep things decoupled and well-structured. If this sounds interesting either for personal use or if you'd like to check out the code, head over to the project site for more information.

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markdown bookdown library project docbook output static generator

Link: http://paul-m-jones.com/archives/6088

Derick Rethans:
Xdebug 2.3 Moar var_dump()
February 27, 2015 @ 09:58:40

Derick Rethans has a new post to his site starting a series of posts about the new features of Xdebug 2.3. In this new post he talks about an improvement that's been made to the output provided by var_dump with more information than before.

One of the new features relates to one of the first things that I added in the original Xdebug: making the var_dump() output "pretty". Xdebug replaces PHP's standard var_dump() function with its own version, as long as the xdebug.overload_var_dump setting is not set to 0. [...] Xdebug 2.3 enhances the overloading of var_dump() with the inclusion of the file name and line number where var_dump() is called at. This has been a long standing feature request.

He provides a few sample screenshots comparing the old and new output formats and mentions another handy setting, xdebug.file_link_format, that makes the resulting filename a link in a browser and lets you customize the format.

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xdebug vardump overload file path information output improvement release

Link: http://derickrethans.nl/xdebug-2.3-overload-vardump.html

SitePoint PHP Blog:
Adding Products to Your eBay Store with the Trading API
January 13, 2015 @ 12:50:14

The SitePoint blog has posted the next part of their "using the eBay trading API" series today (part three) showing you how to add products to your store via their API.

In this third and final part of our eBay Trading API series, we'll be building the product adding functionality into our application. Now that we're done with the store settings, we can begin with writing the code for the controller that would handle the creation of products.

He walks you through the code to create the "new" action on your Slim controller, build the view to gather the product information and handle the upload of product images with the Dropzone Javascript library. Also included is the code to get the current category list (to populate a dropdown list) and the code needed to create the product, both in your database and sending it back to the eBay API for insertion. This finishes the series about using this API, but you can get more information on the API itself though its documentation. The full code for the tutorial series is available on GitHub.

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ebay trading api tutorial series part3 add product upload

Link: http://www.sitepoint.com/adding-products-ebay-store-trading-api/

Developer Drive:
Simplify your documentation process with Couscous
December 19, 2014 @ 12:14:49

On the Developer Drive site today there's a quick post introducing you to Couscous, a PHP-based documentation generation tool. Couscous translates your Markdown files into HTML output that's professional and clean looking.

If there's one thing I hate more than tracking down bugs, it's documenting code. It takes forever, it's almost a project in itself, and I never seem to factor it into my project lifecycle. Setting out to solve that problem for me, and anyone else whose life is too short, is Couscous. Couscous takes markdown files and converts them into professional standard HTML docs that colleagues, or fellow developers, can easily follow. You can preview the resulting site on your local machine, correct any issues, and then deploy straight to GitHub where it will be hosted for you.

They walk you through the (brief) process of getting the tool installed via Composer and using it to show you a preview of your documentation. The "deploy" command then allows you to easily deploy the results out to a GitHub Pages location on the gh-pages branch. You can find out more about Couscous on the project website.

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documentation couscous tool markdown generate html output

Link: http://www.developerdrive.com/2014/12/simplify-your-documentation-process-with-couscous/

SitePoint PHP Blog:
Analyzing a PHP Project with Jenkins
December 05, 2014 @ 10:58:32

The SitePoint PHP blog has posted the latest part in their Jenkins+PHP series today. In this new article (the final part in the series) they use the Jenkins setup they've walked you through already and actually run the analysis on the PHP project and the resulting information.

The results of Jenkins come from different tools and will be placed in different locations within the Jenkins GUI. [...] Within this article, we will be going through each tool and have a look at what it reports back to us. In the end, we will also look at some extra details Jenkins collects for us. Since we build the same project several times, we will get straight lines within our graphs. In a real project, the graph would fluctuate.

He goes through some examples of the results from his analysis including screenshots and explanations for:

  • PHP_CodeSniffer
  • PHP MD (Mess Detector)
  • PHP CPD (Copy & Paste Detector)
  • PHP Depend
  • PHPLOC (Lines Of Code)
  • PHPUnit
  • PHPDox

He also briefly mentions the "changes" information, showing you what changed in that particular build to help narrow down any issues that might have come up.

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tutorial jenkins project analysis report output

Link: http://www.sitepoint.com/analyzing-php-project-jenkins/

SitePoint PHP Blog:
PHP Streaming and Output Buffering Explained
September 04, 2014 @ 10:17:44

The SitePoint PHP blog has a new performance-related post to the site today from Imran Latif. This new post looks at effective use of output buffering and streaming and explains how it works and some examples of its use.

As a PHP developer, I was wondering whether we can have something similar [to Streaming in Rails] in our favorite language? The answer is yes - we can easily have streaming in PHP applications with little effort, but in order to get this right we have to become familiar with some underlying concepts. In this article, we will see what streaming is, what output_buffering is and how to get our desired result under different webservers (Apache, Nginx) and PHP configurations (CGI, mod_php, FastCGI).

He starts off with a comparison of the two different methods, streaming and output buffering, and how they behave in the output of content. He then gets into some simple examples with PHP with various methods: a simple delay, chunking up output and finally using the actual output buffering handling PHP offers. He also includes an example of streaming content over an Ajax request with a simple test using the sleep function.

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streaming output buffering tutorial introduction beginner ajax

Link: http://www.sitepoint.com/php-streaming-output-buffering-explained/

Matthew Weier O'Phinney:
Testing Code That Emits Output
August 25, 2014 @ 09:45:08

In this latest post to his site Matthew Weier O'Phinney gives his suggestion on how to test (unit test) code that provides some kind of direct output. In his case, his script is outputting header information directly, not as a part of a response string.

Here's the scenario: you have code that will emit headers and content, for instance, a front controller. How do you test this? The answer is remarkably simple, but non-obvious: namespaces.

He talks some about the use of namespaces in PHP classes (and methods, and constants...) and how things can be importing using them. He gives an example of an object that outputs some header and body information (an "Output" abstract class). He shows how to use the class in a simple test, calling "reset" in the setup and teardown methods and asserting the contents of the headers and body for expected content.

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test unittest code phpunit output direct namespace tutorial

Link: http://mwop.net/blog/2014-08-11-testing-output-generating-code.html

SitePoint PHP Blog:
Fractal a Practical Walkthrough
August 06, 2014 @ 13:07:49

The SitePoint PHP blog has a new tutorial posted by Alexander Cogneau that gives you an introductory walkthrough of Fractal, a PHP-based library that provides a translation and presentation layer for the output of your APIs.

If you ever developed for an API, you might have had troubles with changes of your database schema. If you didn't happen to have a good implementation, you had to rework your whole model when changing some column names. In this article I will demonstrate how you can use Fractal as a layer between your models and JSON output. This post will show you how this package will make API development easier.

He walks you through getting the library installed (via Composer) along with Silex for the application handling and the Illuminate/database package from the Laravel framework. He also provides a SQL file to create the database for the application. The sample app handles music information, providing a simple song and artist list. It uses the Fractal package to transform the data using Transformer objects for each data type.

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fractal package tutorial introduction transform output api

Link: http://www.sitepoint.com/fractal-practical-walkthrough/

Lorna Mitchell:
Logging to Stdout with Monolog
June 09, 2014 @ 09:08:10

Lorna Mitchell has a quick post today showing how you can use the popular Monolog logging library to log messages and data to stdout, the standard output stream of whatever is executing the script.

My worker scripts have really basic logging (as in, they echo when something happens, and I can see those in the supervisord logs). Which is kind of okay, but I wanted to at least add timestamps in to them, and maybe send emails when something REALLY bad happened. I'm a huge fan of Monolog so I grabbed that, but it wasn't immediately obvious which of the many and varied options I would need for this fairly simple addition. It turns out that the right thing to use is the ErrorLogHandler.

She includes a few lines of sample code that use the "ErrorLogger" to output the message. It includes the log level, a timestamp, the message itself and any additional contextual information you pass in.

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monolog stdout output example library logging

Link: http://www.lornajane.net/posts/2014/logging-to-stdout-with-monolog


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