Merge pull request #6 from Codeception/php8

Support PHP 8

Author: Naktibalda

.github/workflows/main.yml

@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        php: [7.1, 7.2, 7.3, 7.4]
+        php: [7.1, 7.2, 7.3, 7.4, 8.0]
 
     steps:
     - name: Checkout code
@@ -27,16 +27,31 @@ jobs:
         path: framework-tests
         submodules: recursive
 
-    - name: Install Mezzio Sample
+    - name: Downgrade to composer v1
+      if: matrix.php < 7.4
+      run: composer self-update --1
+
+    - name: Install Mezzio Sample on PHP 7
+      if: matrix.php < 8
       run: composer update --no-dev --prefer-dist --no-interaction
       working-directory: framework-tests
 
+    - name: Install Mezzio Sample on PHP 8
+      if: matrix.php == 8.0
+      run: composer update --no-dev --prefer-dist --no-interaction --ignore-platform-req=php
+      working-directory: framework-tests
+
     - name: Validate composer.json and composer.lock
       run: composer validate
 
-    - name: Install dependencies
+    - name: Install dependencies on PHP 7
+      if: matrix.php < 8
       run: composer install --prefer-dist --no-progress --no-interaction --no-suggest
 
+    - name: Install dependencies on PHP 8
+      if: matrix.php == 8.0
+      run: composer install --prefer-dist --no-progress --no-interaction --ignore-platform-req=php
+
     - name: Run test suite
       run: |
         php vendor/bin/codecept build -c framework-tests

Robofile.php

@@ -12,12 +12,11 @@
     ],
     "minimum-stability": "RC",
     "require": {
-        "php": ">=5.6.0 <8.0",
+        "php": ">=5.6.0 <9.0",
         "codeception/lib-innerbrowser": "^1.0",
         "codeception/codeception": "^4.0"
     },
     "require-dev": {
-        "codeception/util-robohelpers": "dev-master",
         "codeception/module-rest": "dev-master",
         "mezzio/mezzio": "~2.0 | ~3.0"
     },