PHP 8 support (#3)

* PHP 8 support

Author: sidz

.github/workflows/ci.yaml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         operating-system: [ubuntu-latest]
-        php-version: ['7.3']
+        php-version: ['7.4', '8.0 ']
         coverage-driver: [pcov]
 
     name: CI with PHP ${{ matrix.php-version }}, using ${{ matrix.coverage-driver }}
@@ -31,7 +31,7 @@ jobs:
         with:
           php-version: ${{ matrix.php-version }}
           coverage: ${{ matrix.coverage-driver }}
-          tools: composer:v1
+          tools: composer:v2
 
       - name: Get composer cache directory
         id: composer-cache

.github/workflows/cs.yaml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         operating-system: [ubuntu-latest]
-        php-version: ['7.3']
+        php-version: ['7.4']
         check: ['cs', 'static-analyze']
 
     name: Coding Standards on PHP ${{ matrix.php-version }}
@@ -30,7 +30,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php-version }}
-          tools: composer:v1
+          tools: composer:v2
 
       - name: Get composer cache directory
         id: composer-cache

.github/workflows/mt.yaml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         operating-system: [ubuntu-latest]
-        php-version: ['7.3']
+        php-version: ['7.4']
         coverage-driver: [pcov]
 
     name: Mutation testing with PHP ${{ matrix.php-version }}, using ${{ matrix.coverage-driver }}
@@ -31,7 +31,7 @@ jobs:
         with:
           php-version: ${{ matrix.php-version }}
           coverage: ${{ matrix.coverage-driver }}
-          tools: composer:v1
+          tools: composer:v2
 
       - name: Get composer cache directory
         id: composer-cache

composer.json

@@ -26,8 +26,8 @@
         "sort-packages": true
     },
     "require": {
-        "php": "^7.3",
-        "infection/abstract-testframework-adapter": "^0.3.0",
+        "php": "^7.4 || ^8.0",
+        "infection/abstract-testframework-adapter": "^0.3.1",
         "infection/include-interceptor": "^0.2.0",
         "symfony/filesystem": "^3.4.29 || ^4.0 || ^5.0",
         "symfony/process": "^3.4.29 || ^4.0 || ^5.0",
@@ -39,19 +39,19 @@
         }
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^2.16",
-        "infection/infection": "^0.15.2",
+        "friendsofphp/php-cs-fixer": "^2.18",
+        "infection/infection": "^0.21.0",
         "php-coveralls/php-coveralls": "^2.4",
-        "phpstan/extension-installer": "^1.0",
-        "phpstan/phpstan": "^0.12.10",
-        "phpstan/phpstan-phpunit": "^0.12.6",
-        "phpstan/phpstan-strict-rules": "^0.12.2",
-        "phpstan/phpstan-webmozart-assert": "^0.12.2",
-        "phpunit/phpunit": "^8.5",
-        "thecodingmachine/safe": "^0.1.16",
-        "vimeo/psalm": "^3.8"
+        "phpstan/extension-installer": "^1.1",
+        "phpstan/phpstan": "^0.12.70",
+        "phpstan/phpstan-phpunit": "^0.12.17",
+        "phpstan/phpstan-strict-rules": "^0.12.9",
+        "phpstan/phpstan-webmozart-assert": "^0.12.9",
+        "phpunit/phpunit": "^9.5",
+        "thecodingmachine/safe": "^1.3",
+        "vimeo/psalm": "^4.4"
     },
     "conflict": {
-        "codeception/codeception": "<3.1.1"
+        "codeception/codeception": "<4.1.9"
     }
 }