Drop support for PHPCS < 3.7.1

.github/workflows/basics.yml

@@ -46,9 +46,6 @@ jobs:
           composer remove --no-update --dev phpunit/phpunit --no-scripts
           # Using PHPCS `master` as an early detection system for bugs upstream.
           composer require --no-update squizlabs/php_codesniffer:"dev-master"
-          # Add PHPCSDevCS - this is the CS ruleset we use.
-          # This is not in the composer.json as it has different minimum PHPCS reqs and would conflict.
-          composer require --no-update --dev phpcsstandards/phpcsdevcs:"^1.1.3"
 
       # Install dependencies and handle caching in one go.
       # @link https://github.com/marketplace/actions/install-composer-dependencies

.github/workflows/quicktest.yml

@@ -27,16 +27,14 @@ jobs:
   quicktest:
     runs-on: ubuntu-latest
 
+    env:
+      # - COMPOSER_ROOT_VERSION is needed to get round the recursive dependency when using CI.
+      COMPOSER_ROOT_VERSION: '1.99.99'
+
     strategy:
       matrix:
         php: ['5.4', 'latest']
-        phpcs_version: ['dev-master']
-
-        include:
-          - php: '7.3'
-            phpcs_version: '2.9.2'
-          - php: '5.4'
-            phpcs_version: '2.6.0'
+        phpcs_version: ['3.7.1', 'dev-master']
 
     name: "QTest${{ matrix.phpcs_version == 'dev-master' && ' + Lint' || '' }}: PHP ${{ matrix.php }} - PHPCS ${{ matrix.phpcs_version }}"
 

.github/workflows/test.yml

@@ -19,6 +19,10 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+env:
+  # - COMPOSER_ROOT_VERSION is needed to get round the recursive dependency when using CI.
+  COMPOSER_ROOT_VERSION: '1.99.99'
+
 jobs:
   lint:
     if: ${{ github.ref != 'refs/heads/develop' }}
@@ -76,53 +80,24 @@ jobs:
         # https://docs.github.com/en/free-pro-team@latest/actions/reference/workflow-syntax-for-github-actions#jobsjob_idstrategymatrix
         #
         # IMPORTANT: test runs shouldn't fail because of PHPCS being incompatible with a PHP version.
-        # - PHPCS will run without errors on PHP 5.4 - 7.2 on any version.
-        # - PHP 7.3 needs PHPCS 2.9.2 and 3.3.1+ to run without notices.
-        #   As deprecations are ignored for older PHPCS versions, our tests still shouldn't fail.
-        # - PHP 7.4 needs PHPCS 3.5.0+ to run without notices.
-        #   As deprecations are ignored for older PHPCS versions, our tests still shouldn't fail.
-        # - PHP 8.0 needs PHPCS 3.5.0+ to run without (fatal) errors.
-        #   To run reliably though, PHPCS 3.5.6 is needed, which undoes the PHP 8.0 comment tokenization changes is needed.
-        # - PHP 8.1 needs PHPCS 3.5.0+ to run without (fatal) errors.
-        #   To run reliably though, PHPCS 3.5.6 is needed, which undoes the PHP 8.0 comment tokenization changes is needed.
-        #   Additionally, until the new PHP 8.1 "&" tokenization is accounted for in various functions,
-        #   tests will fail in combination with PHPCS < 3.6.1 (in which the new tokenization was undone).
         #
         # The matrix is set up so as not to duplicate the builds which are run for code coverage.
-        php: ['5.4', '5.5', '5.6', '7.0', '7.1', '7.2', '7.3', '7.4']
-        phpcs_version: ['2.6.0', '2.7.1', '2.8.1', '2.9.2', '3.1.0', '3.2.0', '3.3.1', '3.4.2', '3.5.0', '3.5.6', '3.6.0', 'dev-master']
+        php: ['5.5', '5.6', '7.0', '7.1', '7.2', '7.3', '7.4', '8.0']
+        phpcs_version: ['3.7.1', 'dev-master']
         risky: [false]
         experimental: [false]
 
-        exclude:
-          # Remove the builds which will already be run via quicktest/code coverage.
-          - php: '5.4'
-            phpcs_version: '2.6.0'
-          - php: '5.4'
-            phpcs_version: 'dev-master'
-          - php: '7.3'
-            phpcs_version: '2.9.2'
-
         include:
-          # Add builds against PHP 8.0/8.1, but only against PHPCS versions which won't fatal out.
-          - php: '8.0'
-            phpcs_version: '3.5.6'
-            risky: false
-            experimental: false
-          - php: '8.0'
-            phpcs_version: '3.6.0'
+          - php: '5.6'
+            phpcs_version: '3.7.1'
             risky: false
             experimental: false
+            extensions: ':iconv' # Run with iconv disabled.
           - php: '8.0'
             phpcs_version: 'dev-master'
             risky: false
             experimental: false
-            extensions: ':iconv' # Run one build with iconv disabled.
-
-          - php: '8.1'
-            phpcs_version: '3.6.1' # dev-master is run in the code coverage job.
-            risky: false
-            experimental: false
+            extensions: ':iconv' # Run with iconv disabled.
 
           # Experimental builds. These are allowed to fail.
           - php: '8.2'
@@ -176,6 +151,10 @@ jobs:
       - name: 'Composer: set PHPCS version for tests'
         run: composer require --no-update squizlabs/php_codesniffer:"${{ matrix.phpcs_version }}"
 
+      # Remove PHPCSDevCS as it would (for now) prevent the tests from being able to run against PHPCS 4.x.
+      - name: 'Composer: remove PHPCSDevCS'
+        run: composer remove --dev --no-update phpcsstandards/phpcsdevcs
+
       # Install dependencies and handle caching in one go.
       # @link https://github.com/marketplace/actions/install-composer-dependencies
       - name: Install Composer dependencies - normal
@@ -228,13 +207,13 @@ jobs:
         include:
           - php: '8.1'
             phpcs_version: 'dev-master'
-          - php: '7.3'
-            phpcs_version: '2.9.2'
+          - php: '8.1'
+            phpcs_version: '3.7.1'
             extensions: ':iconv' # Run one build with iconv disabled.
           - php: '5.4'
             phpcs_version: 'dev-master'
           - php: '5.4'
-            phpcs_version: '2.6.0'
+            phpcs_version: '3.7.1'
 
     name: "Coverage: PHP ${{ matrix.php }} - PHPCS ${{ matrix.phpcs_version }}"
 
@@ -304,6 +283,7 @@ jobs:
           PHPCSUTILS_USE_CACHE: false
 
       # Uploading the results with PHP Coveralls v1 won't work from GH Actions, so switch the PHP version.
+      # Also PHP Coveralls itself (still) isn't fully compatible with PHP 8.0+.
       - name: Switch to PHP 7.4
         if: ${{ success() && matrix.php != '7.4' }}
         uses: shivammathur/setup-php@v2

PHPCSUtils/AbstractSniffs/AbstractArrayDeclarationSniff.php

@@ -14,7 +14,6 @@
 use PHP_CodeSniffer\Files\File;
 use PHP_CodeSniffer\Sniffs\Sniff;
 use PHP_CodeSniffer\Util\Tokens;
-use PHPCSUtils\BackCompat\BCTokens;
 use PHPCSUtils\Utils\Arrays;
 use PHPCSUtils\Utils\Numbers;
 use PHPCSUtils\Utils\PassedParameters;
@@ -24,6 +23,7 @@
  * Abstract sniff to easily examine all parts of an array declaration.
  *
  * @since 1.0.0
+ * @since 1.0.0-alpha4 Dropped support for PHPCS < 3.7.1.
  */
 abstract class AbstractArrayDeclarationSniff implements Sniff
 {
@@ -135,14 +135,14 @@ abstract class AbstractArrayDeclarationSniff implements Sniff
     final public function __construct()
     {
         // Enhance the list of accepted tokens.
-        $this->acceptedTokens += BCTokens::assignmentTokens();
-        $this->acceptedTokens += BCTokens::comparisonTokens();
-        $this->acceptedTokens += BCTokens::arithmeticTokens();
-        $this->acceptedTokens += BCTokens::operators();
-        $this->acceptedTokens += BCTokens::booleanOperators();
-        $this->acceptedTokens += BCTokens::castTokens();
-        $this->acceptedTokens += BCTokens::bracketTokens();
-        $this->acceptedTokens += BCTokens::heredocTokens();
+        $this->acceptedTokens += Tokens::$assignmentTokens;
+        $this->acceptedTokens += Tokens::$comparisonTokens;
+        $this->acceptedTokens += Tokens::$arithmeticTokens;
+        $this->acceptedTokens += Tokens::$operators;
+        $this->acceptedTokens += Tokens::$booleanOperators;
+        $this->acceptedTokens += Tokens::$castTokens;
+        $this->acceptedTokens += Tokens::$bracketTokens;
+        $this->acceptedTokens += Tokens::$heredocTokens;
     }
 
     /**
@@ -483,16 +483,9 @@ public function getActualArrayKey(File $phpcsFile, $startPtr, $endPtr)
 
             // Take PHP 7.4 numeric literal separators into account.
             if ($this->tokens[$i]['code'] === \T_LNUMBER || $this->tokens[$i]['code'] === \T_DNUMBER) {
-                try {
-                    $number   = Numbers::getCompleteNumber($phpcsFile, $i);
-                    $content .= $number['content'];
-                    $i        = $number['last_token'];
-                } catch (RuntimeException $e) {
-                    // This must be PHP 3.5.3 with the broken backfill. Let's presume it's a ordinary number.
-                    // If it's not, the sniff will bow out on the following T_STRING anyway if the
-                    // backfill was broken.
-                    $content .= \str_replace('_', '', $this->tokens[$i]['content']);
-                }
+                $number   = Numbers::getCompleteNumber($phpcsFile, $i);
+                $content .= $number['content'];
+                $i        = $number['last_token'];
                 continue;
             }