Then add the following into : parameters: To turn on Twig debugging, make sure you follow the link above. Most of this caching can be turned off by disabling them in a settings file.ĭ has a good page: “ Disable Drupal 8 caching during development”. You don’t want to rebuild the site cache every time you make a change in a template or a rendered array. This makes Drupal 8 fast, but it can complicate things when you’re writing code. Individual rendered elements like a block for example will be cached. Drupal Settingsĭrupal 8 caches a lot more things than Drupal 7. The two that I found most useful are router:debug and container:debug. Just search for any command with the term “debug”. It can be used to provision new Drupal sites, generate boilerplate code and debug Drupal.ĭrupal Console comes with a bunch of debug commands. It’s implemented using the Symfony Console component. Drupal Consoleĭrupal Console is a CLI tool for Drupal. If you want to learn more about Web Profiler, check out our tutorial on using Web Profiler in Drupal 8. The toolbar gives valuable insight into what’s happening in your Drupal site. The Web Profiler sub-module adds a toolbar at the bottom of your site and displays useful stats about the number of queries, memory usage and more. Ĭlick here to learn how to use Kint in Drupal 8. You can also print variables in Twig templates using. This module integrates the Kint library into Drupal and allows you to print variables using the PHP functions: ksm() and kint(). The two sub-modules worth mentioning are Kint and Web Profiler. It comes with a bunch of helper functions for module developers and it has a few handy sub-modules. Drush official documentation (drush.PHP has two handy functions which can be used to print variables, objects and arrays to the screen.ĭrupal core comes with its own function: debug().ĭevel has been around for as long as I’ve been using Drupal.Why do different Drupal projects have different sets of Drush commands available?.Can you find the built-in help for Views-related commands?.It is frequently used as part of everyday Drupal development tasks and CI/CD workflow. Drush can be extended to provide additional module- or project-specific commands. Recapĭrush is a Drupal-specific shell - a command line utility that allows you to execute, script, and automate routine maintenance, site building, and development tasks. You can explore Drush's built-in manual by using the drush topic command. To learn about the arguments and options for a command, use the drush help command. This same task can be performed with Drush using the following command: drush en. In the Drupal UI this requires that you first log in, then navigate to the modules page, find the module in the list and check the box for it, then submit the form, then often times submit a secondary confirmation form, and finally the module is enabled. As simplified example, imagine you want to enable a module. Why use Drush?ĭrush allows you to speed up, and even automate, many time-consuming tasks that would normally require a user to perform a variety of steps in Drupal's UI. The code is built and maintained by the Drupal community on GitHub. It also provides utilities for executing SQL queries and migrations, and for generating scaffolding code for frequently used Drupal core APIs. Drush core ships with commands for performing various common tasks like clearing the cache, running database updates, and managing configuration. Prerequisitesĭrush is a PHP application that runs in your terminal and allows you to interact with one or more Drupal projects. Introduce the Drush command line utility tool to Drupal developers. Other tutorials will provide more detail about common commands and use-cases.
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