Fix Drupal.Semantics.FunctionTriggerError coding standard

Created on 16 April 2019, over 5 years ago
Updated 21 November 2023, about 1 year ago

Following from #2908391: Add a rule for expected format of @deprecated and @trigger_error() text we need to fix core to adhere to the two new coding standards.

This issue will fix the @trigger_error() function calls to adhere to standards.
Ideally wait for #3041983: Fix unused imports and update Coder to 8.3.4 so that testing the new sniff will be simpler, but we can use the new coder code by patching it via drupalci - see comment #28 📌 Fix Drupal.Semantics.FunctionTriggerError coding standard Downport . The patch in #28 can be used now to start fixing the standards.

Step 1: Preparation

Open the file core/phpcs.xml.dist and add a line for the sniff of this ticket. The sniff name is in the issue title. Make sure your patch will include the addition of this line.

Step 2: Install & configure PHPCS

Install PHP CodeSniffer and the ruleset from the Coder module:

$ composer install
$ ./vendor/bin/phpcs --config-set installed_paths ../../drupal/coder/coder_sniffer

Once you have installed the phpcs package, you can list all the sniffs available to you like this:

$ ./vendor/bin/phpcs --standard=Drupal -e

This will give you a big list of sniffs, and the Drupal-based ones should be present.

Step 3: Prepare the phpcs.xml file

To speed up the testing you should make a copy of the file phpcs.xml.dist (in the core/ folder) and save it as phpcs.xml. This is the configuration file for PHP CodeSniffer. We only want this phpcs.xml file to specify the sniff we're interested in. So we need to remove all the rule items, and add only our own sniff's rule. Rule items look like this:

<rule ref="Drupal.Semantics.FunctionTriggerError"/>

Remove all of them, and add only the sniff from this issue title. This will make sure that our tests run quickly, and are not going to contain any output from unrelated sniffs.

Step 4: Run the test

Now you are ready to run the test! From within the core/ folder, run the following command to launch the test:

$ cd core/
$ ../vendor/bin/phpcs -p

This takes a couple of minutes. The -p flag shows the progress, so you have a bunch of nice dots to look at while it is running.

Step 5: Fix the failures

When the test is complete it will present you a list of all the files that contain violations of your sniff, and the line numbers where the violations occur.

📌 Task
Status

Fixed

Version

10.2

Component
Other 

Last updated about 6 hours ago

Created by

🇬🇧United Kingdom jonathan1055

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  • Coding standards

    It involves compliance with, or the content of coding standards. Requires broad community agreement.

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