3/2/2024 0 Comments Drupal devel kpr![]() Now, another tool that's really useful and pretty common is to use to Devel. Now, we can call in these different keys, we can manipulate them, in order to pull in the values in Twig that we're trying to find. Here, we're just going to be calling in our field header and if we want to look at what that looks like when it's printed out by default, we just get this array of a bunch of different keys. Here, we're just calling dump on content.field_header. Now, available to us also is the dump file with Twig. You'll have a better idea of what Twig file to work in to address the issue that you want to address. services.yml is really helpful to just know when you're working with a lot of different templates and different fields and things are being called in. We have node-page available to us here and finally, we have our basic file. In our case, we'll be using the basic page template. In this case, we can see that it gets as specific as node file with the node IDs, so you can alter a specific node or you can use a node type. ![]() You'll be able to see the files and suggestions that Drupal and Twig are looking through in terms of what file or what Twig file is being called in and the kind of files that you have available to you. Now, the output when you inspect something with a Chrome Inspector with those value set in your services.yml file will look something like this. Now, for a production site, you want to make sure that it's the opposite of these but when you're locally developing or working on a development site, and you're trying to figure out what's going on with your Twig templates, make sure that these are set as seen here. If you were to copy the default/services.yml and rename it, it will be the opposite of these. Under nfig, we have to make sure that debug is set to true, that auto_reload also set to true, and that caching is set to false.Īll of these things by default. We got services.yml file in sites/default, we are able to change some values so that we can make sure that we can debug Twig and have some tools available to us. ![]() Fourth, the dreaded white screen of death when your site becomes unresponsive and finally when something is too difficult to solve by yourself and where to go for that sort of problem.įirst, debugging Twig. Third, about resolving any sort of PHP errors and how to avoid them. Second, we're going to talk about the values that you can find within your template. First, we're going to talk about how to debug Twig. The third and fourth ones are that your site is unavailable or that it's just unresponsive at all, so you're unable to actually work with the site anymore.įor the talk today, we're going to talk about how to address those four common problems. You try to call in the field and it doesn't appear. The second one is that when you call a variable in the Twig template, your output just isn't what you expected. You try to print something on the screen with Twig and it doesn't appear at all. The first one is that your changes just don't appear. When I look at my Stack Exchange or Stack Overflow, if you look at all of the problems, which I did in the past few weeks to see and try to distill them into the same categories, there's four common categories. In my own experience of using Twig the past few years with Drupal 8, there're some common problems that I've experienced and they have been really frustrating. Now, let's just dive right into the subject matter today, Taming Twig. We have team members all around the world, so check us out. I usually tweet very rarely, but I threw it up there just in case. Make sure that you can grab the slides at the link at the top to follow along. It's always exciting to be here and to present with everyone.
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