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ClanCats Station:
Writing a webserver in pure PHP - Tutorial
March 26, 2015 @ 11:27:42

On the Clancats.com blog there's a recent post showing how to create a web server in pure PHP, an interesting experiment but definitely not recommended for any kind of higher load situation.

Well, this is pretty useless, but it is possible. But again its pretty.. uesless. This tutorial will hopefully help you to better understand how a simple webserver could work and that it's no problem writing one in PHP. But again using this in production would be trying to eat a soup with a fork. So just, .... just don't. Let me shortly explain why this is not a that good idea.

PHP is a scripting language that simply is not really designed for such tasks. A webserver is a long running process which PHP is not made for. Also PHP does not natively support threading ( pthreads ), which will make developing a good performing webserver a really hard task.

He walks you through all the code needed to create the web server (also available on GitHub) by making:

  • A "server" that does the listening for incoming and sends outgoing requests
  • A request object that parses the incoming request and makes header and body content available
  • A response object that allows for the setting of response codes, body content and headers
  • Exception handling for problems encountered during the request/response process

The full code is provided during the process along with explanations of what each part does. There's also a basic introduction to what a typical web server is and how the process of request/response usually flows.

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webserver tutorial version request response server

Link: http://station.clancats.com/writing-a-webserver-in-pure-php

SitePoint PHP Blog:
Top 10 Z-Ray Features to Check Out
March 26, 2015 @ 09:50:23

The SitePoint PHP blog has a new post today from Daniel Berman (of Zend) with the top 10 features of Z-Ray to be sure to check out. Disclaimer: Z-Ray is a tool provided by Zend, a part of their Zend Server product.

Necessity is the mother of invention goes the famous saying. For PHP developers, there is no greater need than visibility. But developers today have a tough choice to make as they develop and debug their apps. Either use crude methods such as printing, debugging information, or storing it in a log file, or - use multiple debugging/profiling tools that are awkward and require a lot of work from the developer's side. [...] This article introduces the top 10 features of Z-Ray - an innovative new technology from Zend that makes PHP development a whole lot quicker and easier by giving developers unprecedented insight into their code - and the visibility they need to develop top-notch apps.

Among the items on their Top 10 list are things like:

  • Viewing information about page requests
  • Execution time and memory consumption
  • Showing errors and warnings
  • Viewing functions called during execution
  • Debugging features for mobile apps and APIs

Check out the full post for a list of more features and screenshots/detail on each one.

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zend zray zendserver top10 list features screenshot

Link: http://www.sitepoint.com/top-10-z-ray-features-check/

SitePoint PHP Blog:
User Authentication in Symfony2 with UserApp.io
March 19, 2015 @ 09:18:18

On the SitePoint PHP blog Daniel Sipose has written up a tutorial showing you how to use the UserApp.io service to authenticate users for your Symfony2 applications.

UserApp.io is a handy user management tool and API. It provides a web interface to deal with user accounts (and the many features this involves) and an API to hook them into your own web application. The purpose of this service is to make it easier and safer to manage user authentication by not having to worry about that on your own server. It has SDKs and various wrappers for many programming languages and frameworks and the price is affordable. Yes, it comes with a price but you can get started freely with quite a lot of things to play around with.

He makes use of this library (his own creation) and the UserApp.io SDK to hook into Symfony2's own Security component authentication handling. He starts by explaining some of the classes he'll be creating including the form authenticator, a user provider, the logout handler and an custom exception. The full code is included for each as well as the changes you'll need to make to the YAML configuration to hook it all together.

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user authentication symfony2 userappio service tutorial

Link: http://www.sitepoint.com/user-authentication-symfony2-userapp-io/

Matt Stauffer:
Conditionally Loading Service Providers in Laravel 5
March 12, 2015 @ 10:16:35

Matt Stauffer has a new post to his site showing you how to conditionally load providers in your Laravel-based application with some additional code in the AppServiceProvider.

Since Laravel 5 flattened a lot of the environment-specific structures, much of the configuration that was once stored in different config directories for each environment has now moved into .env files. But one that can't just live in .env is the environment-dependent loading of service providers.

He starts with a look at the normal service provider loading process, using the application configuration and adding them to the "providers" list. This loads them every time a request is made, even if they're not needed. His solution adds some code to the "register" method in the AppServiceProvider class to check the environment (like "production" versus "dev") and loads different providers based on the result.

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condition load service provider laravel5 appserviceprovider register

Link: https://mattstauffer.co/blog/conditionally-loading-service-providers-in-laravel-5

Zend Blog:
Developing a Z-Ray Extension
February 25, 2015 @ 11:54:41

Zend recently introduced their Z-Ray inspection tool that allows you to see inside your application and know what's happening in your code, your database and has support for major PHP projects. In this new post to their blog they show you how to develop a custom extension for the Z-Ray system.

One of the coolest features in Z-Ray is the ability to plug in your own extensions. Meaning, you can customize existing Z-Ray panels or add your own personalized Z-Ray panel for displaying information you think is important for developing your specific application. This short tutorial will describe how to write a basic extension for Z-Ray. More specifically, we'll be writing a Z-Ray extension for WordPress that extracts and displays a list of loaded WordPress plugins.

They give you a list of things you'll need to set up before you can get started including a simple WordPress installation on a Zend Server instance. With these in place they help you create the "zray.php" file to define the extension, how to enable it and setting up a "trace" on a function to hook it into the execution. They then dump the WP plugin information and reformat it a bit to show only the list of names and versions in the output panel. As a last touch, they add a logo to the panel to show in the bottom menubar with the WordPress logo.

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zray zend extension custom wordpress tutorial plugin

Link: http://blog.zend.com/2015/02/25/developing-z-ray-extension

SitePoint PHP Blog:
Push your Drupal Site's Events to your Phone with Pushover
February 12, 2015 @ 12:54:12

The SitePoint PHP blog has a new tutorial posted (by Daniel Sipos) about pushing notifications from your Drupal-based application via the Pushover service.

In this article I am going to show you how you can integrate Pushover with your Drupal site. I will illustrate a couple of examples of how you can use Pushover to notify yourself as soon as something happens on your site. The code I write in this article is also available in this repository so you can just clone that if you want to follow along.

He starts with an introduction to Pushover and what kinds of features it offers for the handling of push messages (with the app being not free, but "very affordable"). He help you get everything you need set up including a Pushover account and the Pushover class to use in a custom Drupal module. He includes the code you'll need to configure the module to use the library and a method to create the Pushover class instance. He then shows how to send messages for things like the addition of a new comment and user login via hooks, sending a message when an administrator logs in.

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drupal tutorial pushover push message service mobile application

Link: http://www.sitepoint.com/push-drupal-sites-events-phone-pushover/

Stephan Hochdörfer:
Configuring Xdebug and phpstorm for CLI debugging
February 11, 2015 @ 11:24:09

Stephan Hochdörfer has a quick post to the bitExpert blog today showing you how to configure Xdebug+PHPStorm for CLI debugging, making it even easier to work with command-line PHP applications.

Current situation: I have no local webserver running and just php5-cli (plus a few extensions) installed as most of the development I do will make use of a Vagrant machine. From time to time I develop small tools or libs which I like to debug on the command line. This is an overview how I configured my Ubuntu 14.04 box to handle debugging with Xdebug and phpstorm.

He starts with helping you get Xdebug installed (via PECL) and configured for local debugging. Next he adds some variables to the .bashrc configuration file with the IDE and Xdebug configuration details. Finally he gives the instructions to get PHPStorm to play nicely with this setup via it's own "Servers" support.

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configure phpstorm debugging tutorial localhost server

Link: https://blog.bitexpert.de/blog/configuring-xdebug-and-phpstorm-for-cli-debugging/

Acim.net:
Trait injection in Zend Framework 2
December 11, 2014 @ 11:55:56

Boban Acimovic has recently posted a tutorial showing you how to use traits in a Zend Framework 2 application to inject additional functionality into your pre-existing classes.

There are several tutorials on the Internet which explain how to use interface based dependency injection in Zend Framework 2. The idea is to make an initializer, figure out which interfaces a class implements and then inject appropriate dependencies using setters defined in the interfaces. Bad part about this is that in each class you implement such an interface you have to declare a property which would hold the injected object and also to implement the setter for it, which is defined in the interface, by the way. In order to simplify this further it is possible to write trait for each interface, but then why should not use just traits? Why do we need interfaces? Is this possible at all?

He includes some example code showing how to set up dependency injection for the traits (via a custom injector based on the "InitializerInterface") and make the autoloading easier. He shows how to add this to the provider configuration as an "initializer" and create the first example trait, a checker for data in user passwords. He then drops the functionality into a service class just by using the "use" keyword and the trait name.

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trait injection zendframework2 tutorial dependencyinjection service provider

Link: http://www.acim.net/2014/11/trait-injection-in-zend-framework-2/

Symfony Blog:
Introducing the Symfony Marketplace
November 13, 2014 @ 11:05:22

On the Symfony blog today they've announced what they call the Symfony Marketplace, a resource to locate products and services, all related to Symfony.

Today we are thrilled to introduce the new and long-awaited Marketplace section on symfony.com website. The Symfony Marketplace is a directory of products and services related to Symfony and its ecosystem. [...] We envisioned this marketplace for the first time when we launched Symfony 2.0. Thanks to the recent boom of Symfony related services and applications, the marketplace is now a reality.

Currently they have around 45 projects (open source and commercial) and tools that are popular in the Symfony community. There's also links to several Symfony-friendly services out there including Microsoft Azure and Platform.sh. Sound interesting? Be sure to check it out or find out how to get your projects/product/service added to the lists.

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symfony community marketplace project service product

Link: http://symfony.com/blog/introducing-the-symfony-marketplace

SitePoint PHP Blog:
How to Run Multiple Versions of PHP on One Server
November 07, 2014 @ 10:54:27

The SitePoint PHP blog has a new tutorial by Thien Tran Duy showing you how to run multiple versions of PHP all on the same server. The key is in using a few custom configuration options (you'll be compiling PHP manually for this) to place the different versions in different locations.

In this particular post, we'll demo a solution to install multiple versions of Phalcon and PHP and run them on a single web server. PHP 5.5.x and 5.6.x will be used here, but you can replace them with other versions. Any servers that support PHP-FPM should be enough but we recommend using Nginx. The environment used in this tutorial is Fedora OS - a Linux system, but the instructions are almost identical for any other *nix OS.

The tutorial also includes the installation of a few other PHP extensions including APC caching, memcache and ioncube. He walks you through the installation of Nginx first to get the web server up and running. Then he starts in on the PHP installs and the requirements to ensure you have to be able to compile from the PHP source. He shows how to pull the different versions of PHP down (5.3, 5.4, 5.6 and master) from the GitHub repository and execute the "buildconf" to make the configure script. He includes the example configuration command with options, ensuring it will work with PHP-FPM and the Nginx server. He then reproduces the process, making slight changes, for the other versions of PHP. Finally, he shows the installation of the two different versions of Phalcon and configuring it to all work with the installed web server.

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multiple version one server language tutorial phpfpm nginx

Link: http://www.sitepoint.com/run-multiple-versions-php-one-server/


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