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Sameer Borate:
Unpacking binary data in PHP
Apr 04, 2018 @ 09:19:40

Sameer Borate has a new post to his Code Deisel blog showing how to unpack binary data in PHP making use of the pack and unpack functions.

Working with binary files in PHP is rarely a requirement. However when needed the PHP ‘pack’ and ‘unpack’ functions can help you tremendously. To set the stage we will start with a programming problem, this will keep the discussion anchored to a relevant context. The problem is this : We want to write a function that takes a image file as an argument and tells us whether the file is a GIF image; irrelevant with whatever the extension the file may have. We are not to use any GD library functions.

He starts by briefly covering the "metadata" that binary files contain in their headers about the type of file and, more specifically, what the content for a GIF looks like. He follows this with an example of using unpack to provide a readable version of the file's binary content. He then uses this in an is_gif function to read the contents of a file, check the header format and ensure the version is either GIF87a or GIF89a. He also includes the code for another method to get attributes about the file like height, width and the aspect ratio. He ends the post with more details on the contents of the header and what each character means.

tagged: binary data unpack pack tutorial gif image

Link: https://www.codediesel.com/php/unpacking-binary-data/

Laravel News:
Uploading Avatar Images with Spatie’s Media Library
Mar 26, 2018 @ 10:48:05

On the Laravel News site, there's a new tutorial posted showing how you can use the Spatie Media Library package to help with the file uploads in your Laravel-based application to upload avatars for your users.

By default, the Laravel registration form contains only the name, email, and password, but often it’s useful to allow the user to upload a photo or an avatar. In this tutorial we will show you an easy way to add it, using [Spatie’s Media Library](https://github.com/spatie/laravel-medialibrary) package.

The remainder of the tutorial then breaks the implementation down into three steps:

  • Change the User Registration Form (to include the "avatar" field)
  • Upload and Store with the Media Library (installing the relation and changing the models)
  • Show an Avatar Thumbnail in the Top Navigation (using the package to resize the image)

Each step in the process includes the code or commands required to complete it. There are also several screenshots to help ensure you have the right information stored in your database.

tagged: tutorial upload avatar image spatie medialibrary package

Link: https://laravel-news.com/uploading-avatar-images

Symfony Finland:
PHP-PM 1.0 launches with Docker images and Symfony 3+ support
Jan 09, 2018 @ 09:37:01

As is mentioned in this post on the Symfony Finland site, the PHP-PM project has hit their first stable release, v1.0, that includes some nice tools as well.

Running an application server written in PHP has been feasible for some years. One of the robus mature options for this has been PHP-PM, a process manager. Now the project has reached a major milestone with the release of 1.0.

The PHP-PM team released the first stable release on 8th of January 2018. It builds on the work done for some years and it builds on ReactPHP. ReactPHP is a low-level library for event-driven programming in PHP.

PHP-PM allows creating long running PHP processes that serve applications directly instead of relying an embedded PHP (like with Apache's mod_php) or a web server with PHP process manager (as with Nginx and PHP-FPM).

Updates for this release include the addition of bridges for static handling, PSR-7 integration and version bumps for Symfony components used in the system. You can check out the full list of changes in the release notes if you want to see more. The post also links to other articles with more reading and tutorials covering PHP-PM and how to put it to use (including Docker integration and basic benchmarks).

tagged: phppm process manager stable version release docker image symfony update project

Link: https://symfony.fi/entry/php-pm-1-0-launches-with-official-docker-images

TutsPlus.com:
Deferring Tasks in Laravel Using Queues
Dec 18, 2017 @ 12:55:39

The TutsPlus.com site has a new tutorial posted for the Laravel users showing how to defer tasks to queues using functionality already included in the framework.

In this article, we're going to explore the Queue API in the Laravel web framework. It allows you to defer resource-intensive tasks during script execution to enhance the overall end user experience. After introducing the basic terminology, I'll demonstrate it by implementing a real-world example.

The article starts by talking about some of the advantages of using queues to help with reducing page load times and improving the overall performance/quality of your site's user experience. It then starts in on the Laravel-specific pieces of the queuing puzzle including the queue drivers, connection types and the queues themselves. Next they move on to the code, showing how to create a simple first job that will manipulate the images a user uploads. The post includes the code to create the "jobs" table, build the "Images" model and the "ProcessImageThumbnails" job that will build the smaller thumbnail images from larger ones. Finally they create the controller and views for the upload handling, show how to delegate it to the job for the image processing and run the queue processor do to the actual work.

tagged: laravel tutorial task queue delegate image processing thumbnail

Link: https://code.tutsplus.com/tutorials/deferring-tasks-in-laravel-using-queues--cms-29957

Stefan Koopmanschap:
Customizing Sculpin: Highlight image and Facebook
Jul 28, 2017 @ 11:14:15

Stefan Koopmanschap has a new post to his site showing the Sculpin users out there how to customize the system for a highlight image and Facebook integration.

Over the past months I've been slowly customizing my Sculpin installation for this blog to fit my own liking a bit more. I've added a bit more styling including a beautiful background image and a transparent white background for the content column. Today I wanted to add a bit more. Two things specifically: I wanted to control a bit more about how my blogposts are displayed when they are shared on Facebook [and] I wanted to have an optional image at the top of blogposts to make them look a bit better.

It turns out this was actually quite easy, so here's a short description of what I did to make it work.

He splits the article into these two parts, showing how to add in custom markup and add custom frontmatter to modify the Facebook posts. He then shows how to add a block to the main templates for the highlight image and a small section to credit the photo back to the original.

tagged: sculpin facebook integration highlight image tutorial meta template credit

Link: https://leftontheweb.com/blog/2017/07/28/Customizing-Sculpin-highlight-image-and-facebook/

Jakub Zalas:
Static analysis tools for PHP in a single docker image
Jul 21, 2017 @ 10:56:07

Jakub Zalas has a new post to his site sharing a Docker image he's created to help make static analysis for your PHP code simpler: the phpqa image.

As part of my job I often perform application reviews and code quality analysis for clients who wish to have their code base looked at by an independent company. Running static analysis tools is usually a starting point to the review as it gives a general overview of a state of the project. I also like to run those tools as part of an introduction to an inherited code base.

For an easy access to the most popular static analysis tools for PHP I recently created a docker image - phpqa.

He lists out the tools that are included with the current version (a quite lengthy list) including:

  • analyze
  • box
  • deptrac
  • php-code-fixer
  • phpDocumentor
  • phpa
  • phploc
  • phpmd
  • phpstan
  • psalm

...and many more. Check out the full post for more of the tools in the list and links to more information about each one.

tagged: docker image static analysis tool image phpqa

Link: http://zalas.eu/phpqa-static-analysis-tools-for-php-docker-image/

Jakub Zalas:
Static analysis tools for PHP in a single docker image
Jul 21, 2017 @ 10:56:07

Jakub Zalas has a new post to his site sharing a Docker image he's created to help make static analysis for your PHP code simpler: the phpqa image.

As part of my job I often perform application reviews and code quality analysis for clients who wish to have their code base looked at by an independent company. Running static analysis tools is usually a starting point to the review as it gives a general overview of a state of the project. I also like to run those tools as part of an introduction to an inherited code base.

For an easy access to the most popular static analysis tools for PHP I recently created a docker image - phpqa.

He lists out the tools that are included with the current version (a quite lengthy list) including:

  • analyze
  • box
  • deptrac
  • php-code-fixer
  • phpDocumentor
  • phpa
  • phploc
  • phpmd
  • phpstan
  • psalm

...and many more. Check out the full post for more of the tools in the list and links to more information about each one.

tagged: docker image static analysis tool image phpqa

Link: http://zalas.eu/phpqa-static-analysis-tools-for-php-docker-image/

Freek Van der Herten:
Optimize images in Laravel apps
Jul 17, 2017 @ 09:48:01

In a continuation of his previous post about an image optimization package for PHP Freek Van der Herten covers some refactoring and advancements they've made to the package to make it even easier to use.

A while ago we released image-optimizer. In short this package can make all kinds of images smaller by stripping out metadata and applying a little bit of compression. Read this blogpost to learn more about it. Although it’s pretty easy to work with the package, we felt that we could deliver a more seamless experience in Laravel apps. That’s why we created our newly released laravel-image-optimizer package.

The package uses a bunch of binaries to optimize images. To learn which ones and how to install them, head over to the optimization tools section in the readme of the underlying image-optimizer package. That readme also contains info on <a href="https://github.com/spatie/image-optimizer#which-tools-will-do-what>what these tools will do to your images.

He then includes some code examples putting this new version of the package to work with a Laravel-based application. The examples include replacing the image with an optimized one, saving the optimized one to a new path and resize all images in a request. There's also an example configuration included showing the options you can set to customize your site's image optimization even more.

tagged: optimize image laravel application package tutorial

Link: https://murze.be/2017/07/optimize-images-laravel-apps/

Colin O'Dell:
Testing PHP 7.2 With Docker
Jul 07, 2017 @ 11:58:07

Colin O'Dell has posted a guide that you can follow to help you test your applications with the latest version of the PHP 7.2 pre-releases using a simple Docker setup.

PHP 7.2 is slated for release in November 2017, but you don't have to wait until then to start testing your applications! We can easily use Docker to test against the latest pre-release versions of 7.2.

He's even created a Docker image that's posted on DockerHub to make the process even simpler. He shows how to reference specific types (php-fpm, apache, etc) and specific tags for the PHP pre-releases on each. He encourages you to log bugs in the PHP if found and report issues to him if there's a problem with the Docker setup. He also mentions that, since the mcrypt extension was removed by default from PHP 7.2, you'll need some special commands to get it set up and working (via a PECL install).

tagged: testing php72 prerelease version docker image dockerhub

Link: https://www.colinodell.com/blog/201707/testing-php-72-docker

Freek Van der Herten:
Easily optimize images using PHP (and some binaries)
Jul 07, 2017 @ 10:19:27

Freek Van der Herten has a post on his site sharing a new package that's been developed to help optimize images using some PHP and a few other helpful tools.

Our recently released image-optimizer package can shave off some kilobyes of PNGs, JPGs, SVGs and GIFs by running them through a chain of various image optimization tools. In this blog post I’ll tell you all about it.

He starts off by talking about why they built the package - to make sure the images on their site were as optimized as possible - and what kind of tools are involved in making it work. Those tools are free to use but it does take a little manipulation to ensure the right data is being passed into each. He then gets into the code examples, showing how to optimize an image with just a few lines. The package determines based on the kind of image which optimizing tool to use. He also includes example code showing how to customize the optimization process with extra command line flags. Finally he includes an extra section showing how to integrate it with some of their other packages: the image package, laravel-medialibrary and Browsershot.

tagged: tutorial package optimize image binary imagetype tools

Link: https://murze.be/2017/07/easily-optimize-images-using-php-binaries/