Use GitHub actions for Continuous Integration tests

Author: thePanz

.github/workflows/continuous-integration.yml

@@ -0,0 +1,51 @@
+name: "Continuous Integration"
+
+on: [push]
+
+env:
+    fail-fast: true
+
+jobs:
+    phpunit-mysql:
+        name: "PHPUnit with MySQL"
+        runs-on: "ubuntu-22.04"
+
+        strategy:
+            matrix:
+                php-version:
+                    - "7.4"
+                mysql-version:
+                    - "5.7"
+                # extension:
+                #     # - "mysqli"
+                #     # - "pdo_mysql"
+                #     - "pdo_sqlite"
+
+        services:
+            mysql:
+                image: "mysql:${{ matrix.mysql-version }}"
+
+                options: >-
+                    --health-cmd "mysqladmin ping --silent"
+                    -e MYSQL_ALLOW_EMPTY_PASSWORD=yes
+                    -e MYSQL_DATABASE=test
+                ports:
+                    - "3306:3306"
+
+        steps:
+            - name: "Checkout"
+              uses: "actions/checkout@v3"
+
+            - name: "Install PHP"
+              uses: "shivammathur/setup-php@v2"
+              with:
+                  php-version: "${{ matrix.php-version }}"
+                  # extensions: "pdo_mysql pdo_sqlite"
+                  # extensions: "${{ matrix.extension }}"
+                  ini-values: "pdo_mysql.default_socket=/var/run/mysqld/mysql.sock"
+
+            - name: "Install dependencies with Composer"
+              uses: "ramsey/composer-install@v2"
+
+            - name: "Run Tests"
+              run: "cd tests && php run.php"