Merge pull request #11 from Hyunk3l/codex/pr-03-phpcs4

Upgrade PHP_CodeSniffer to v4

Author: Hyunk3l

.github/workflows/php.yml

@@ -20,7 +20,7 @@ jobs:
       uses: shivammathur/setup-php@v2
       with:
         php-version: ${{ matrix.php-version }}
-        coverage: none
+        coverage: xdebug
         tools: composer:v2
 
     - name: Validate composer.json and composer.lock
@@ -38,4 +38,6 @@ jobs:
       run: ./composer.phar install --prefer-dist --no-progress
 
     - name: Run test suite
+      env:
+        XDEBUG_MODE: coverage
       run: ./composer.phar test

composer.json

@@ -23,7 +23,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^11",
-        "squizlabs/php_codesniffer": "^3"
+        "squizlabs/php_codesniffer": "^4.0"
     },
     "scripts": {
         "test": "vendor/bin/phpunit test/",