Run unit tests in different PHP version

.github/workflows/php-test.yml

@@ -37,24 +37,56 @@ on:
       - reopened
       - synchronize
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
 jobs:
   php-test:
-    name: PHP
+    name: PHP ${{ matrix.php }} - WP ${{ matrix.wordpress }}${{ matrix.experimental && ' (experimental)' || '' }}
     runs-on: ubuntu-latest
     timeout-minutes: 20
+    strategy:
+      fail-fast: true
+      matrix:
+        php:
+        - '7.0'
+        - '7.1'
+        - '7.2'
+        - '7.3'
+        - '7.4'
+        - '8.0'
+        - '8.1'
+        - '8.2'
+        wordpress: [ 'latest' ]
+        include:
+          - php: '8.2'
+            wordpress: 'trunk'
+            experimental: true
+    env:
+      WP_ENV_PHP_VERSION: ${{ matrix.php }}
+      WP_ENV_CORE: ${{ matrix.wordpress == 'trunk' && 'WordPress/WordPress' || format( 'https://wordpress.org/wordpress-{0}.zip', matrix.wordpress ) }}
     steps:
-      - uses: styfle/[email protected]
       - uses: actions/checkout@v3
+
+      - uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+
       - name: Setup Node.js (.nvmrc)
         uses: actions/setup-node@v3
         with:
           node-version-file: '.nvmrc'
           cache: npm
+
       - name: npm install
         run: npm ci
+
       - name: Install WordPress
         run: npm run wp-env start
-      - name: Running single site unit tests
+
+      - name: Running php unit tests
         run: npm run test-php
+
       - name: Running multisite unit tests
         run: npm run test-php-multisite

composer.json

@@ -19,7 +19,7 @@
     "squizlabs/php_codesniffer": "^3.5",
     "szepeviktor/phpstan-wordpress": "^1.3.0",
     "wp-coding-standards/wpcs": "^3.0.0",
-    "wp-phpunit/wp-phpunit": "^5.8",
+    "wp-phpunit/wp-phpunit": "^6.1",
     "yoast/phpunit-polyfills": "^1.0",
     "phpstan/phpstan-phpunit": "^1.3",
     "phpstan/phpstan-deprecation-rules": "^1.1",