![]() To do this we'll use the YAML Sandbox module that provides a handy textarea into which we can type YAML and have it parsed into PHP data structures. yml file is represented in PHP data types. Since YAML in the Drupal world is read into PHP and ultimately becomes a PHP data structure that we can use in our own code we'll also look at how the YAML we write in a. ![]() Then looking at the difference between scalar data types like strings and integers, and collection data types like lists and associative arrays. Starting with an introduction to the language's syntax and some of the strengths of YAML. This tutorial will look at the YAML data format and provide examples of how to write and read YAML. Good thing it's pretty easy to learn even with the most basic of programming backgrounds. Even site builders are likely to encounter YAML at least in passing as YAML is the data-serialization format of choice for Drupal's configuration management system. Anyone wanting to write modules, or themes, for Drupal will need to understand YAML syntax. YAML, which stands for YAML Ain't Markup Language, is a human-readable data serialization format that's been widely adopted in a variety of use cases in Drupal. The documentation includes information to help orient newcomers, guides for using Drupal, creating themes, writing modules, and using contributed modules. ![]() The Drupal project's documentation is created and maintained by the same volunteer community that creates the Drupal software. You can read Drupal case studies to see what modules and tools others are using for their projects, which can give you some great ideas and tips. There is a lot of ground to cover in Drupal, so in addition to our tutorial resources listed above, here are some tips and tricks from our trainers for learning how to use the Drupal content management system.Ī lot of people are building sites with Drupal. Of course, you can also always search our site to pull up a wide range of materials based on your keyword. They are more specific topics grouped by major category, like Theming or Module Development, and let you zero in on exactly what you need right now. If you have the fundamentals sorted out, but you need a refresher, or are taking on a new task, you can go straight to the information you need by browsing through our Guides and Topics. How to install Drupal inside DDEV so you can access the site and start doing development.īy the end of this tutorial, you should be able to set up a local development environment for learning Drupal or working on a new Drupal project.How to use DDEV's integrated Composer to download Drupal and Drush.How to install and configure DDEV for use with a Drupal project.Our favorite way to accomplish this is using DDEV. This includes all the system requirements like PHP and a web server, that Drupal needs in order to run. If you don't, Composer will use the PHP version of the environment.Installing Drupal using the instructions in this tutorial will give you a working Drupal site that can be used for learning, or real-world project development.īefore you can work on a Drupal site locally (on your computer), you'll need to set up a local development environment. By adding it, you are forcing Composer to operate using PHP 8.1 as the project platform. The next step is to update the composer.json of the project to require PHP version 8 in the platform requirements section. You will need to edit the docker-compose.yml file or the one that defines the containers you are using in your project. All the tags are listed in Docker Hub, where we have to locate the one that matches the version we are going to have in our production environment.Īs an example, we are looking for PHP version 8.1.9, the tag we get from Docker Hub is "8.1-dev-4.37.9". In our case, we use the Metadrop boilerplate and this in turn uses the wodby/drupal-php image. Our development environments are based on Docker, so the first thing you have to do, which is fundamental, is to change the PHP image so that Docker can use the appropriate PHP 8 container. Note that previous knowledge of Docker and Drupal is required to understand the more complex steps. Keep in mind that we are going to focus on updating a Composer project based on Metadrop Drupal boilerplate, but these steps can be applied to other Drupal-based Composers. We have decided to compile in this post the necessary steps to make our Drupal applications compatible with this PHP version, providing our experience for those who might need it.
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