.editorconfig

@@ -0,0 +1,14 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+max_line_length = 120
+tab_width = 4
+
+[{*.yml, *.yaml}]
+indent_size = 2
+tab_width = 2

.github/workflows/phpunit.yml

@@ -1,25 +1,27 @@
 name: PHPUnit
 
-on: [push]
+on: [ push ]
 
 jobs:
   test:
+    strategy:
+      matrix:
+        php-version:
+          - '8.0'
+          - '8.1'
 
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+      - uses: actions/checkout@v2
 
-    - name: Setup PHP
-      uses: shivammathur/setup-php@v2
-      with:
-        php-version: '7.2'
-
-    - name: Validate composer.json and composer.lock
-      run: composer validate
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-version }}
 
-    - name: Install dependencies
-      run: composer install --prefer-dist --no-progress --no-suggest
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress --no-suggest
 
-    - name: Run tests
-      run: composer run-script test
+      - name: Run tests
+        run: composer run-script test

.gitignore

@@ -1,5 +1,7 @@
 /vendor
+composer.lock
 
+.idea
 *.bak
 
 .phpunit.result.cache

composer.json

@@ -3,7 +3,12 @@
     "description": ".env editor library",
     "type": "library",
     "keywords": [
-        "env", "env-editor", "dot-env", "env-php", "env-loader", "env-writer"
+        "env",
+        "env-editor",
+        "dot-env",
+        "env-php",
+        "env-loader",
+        "env-writer"
     ],
     "license": "MIT",
     "authors": [
@@ -23,12 +28,16 @@
         }
     },
     "require": {
-        "php": "^7.2"
+        "php": ">=8.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^8.5"
+        "phpunit/phpunit": "9.5"
     },
     "scripts": {
-        "test": "phpunit"
+        "test": "phpunit",
+        "test:coverage": [
+            "@putenv XDEBUG_MODE=coverage",
+            "phpunit --coverage-html coverage --coverage-clover=coverage/clover.xml"
+        ]
     }
-}
+}