very minimal static analysis when pushing new code

.github/workflows/ci.yml

@@ -0,0 +1,31 @@
+name: build
+
+on: [push, pull_request]
+
+jobs:
+  run:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      matrix:
+        operating-system: [ubuntu-latest]
+        php-versions: ['7.4', '8.0', '8.1', '8.2']
+    name: PHP ${{ matrix.php-versions }} Test on ${{ matrix.operating-system }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-versions }}
+          extensions: curl, json
+          coverage: none
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress
+
+      - name: Static analysis
+        run: |
+          composer require --dev phpstan/phpstan
+          vendor/bin/phpstan analyse -l 4 src tests

composer.json

@@ -4,13 +4,13 @@
 	"keywords": ["youtube downloader", "download youtube", "download youtube videos"],
 	"license": "MIT",
 	"require": {
-		"php": "^5.6 || ^7.0 || ^8.0",
+		"php": "^7.4|^8.0",
 		"ext-curl": "*",
 		"ext-json": "*",
 		"athlon1600/php-curl-file-downloader": "^1.0"
 	},
 	"require-dev": {
-		"phpunit/phpunit": "^5.7|6.2|^7.0|^8.0"
+		"phpunit/phpunit": "^8.0 || ^9.0 || ^10.0"
 	},
 	"autoload": {
 		"psr-4": {