Update and rename php.yml to ci.yml

Author: Tinywan

.github/workflows/ci.yml

@@ -0,0 +1,28 @@
+name: CI
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  PHPUnit:
+    name: PHPUnit (PHP ${{ matrix.php }})
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php:
+          - "7.4"
+    steps:
+      - uses: actions/checkout@v4
+      - uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          tools: phpunit:9, composer:v2
+          coverage: xdebug
+      - run: composer install
+      - run: vendor/bin/phpunit --coverage-clover=coverage.xml
+
+      - uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}