Add workflow compatibility.

.github/workflows/build.yml

@@ -25,6 +25,8 @@ jobs:
   phpunit:
     uses: yiisoft/actions/.github/workflows/phpunit.yml@master
     with:
+      composer-command: |
+        composer require yiisoft/yii2:2.2.0 --prefer-dist --no-progress --no-interaction --no-scripts --ansi
       extensions: mbstring, intl
       os: >-
         ['ubuntu-latest', 'windows-latest']

.github/workflows/compatibility.yml

@@ -0,0 +1,34 @@
+on:
+  pull_request:
+    paths-ignore:
+      - 'docs/**'
+      - 'README.md'
+      - 'CHANGELOG.md'
+      - '.gitignore'
+      - '.gitattributes'
+      - 'infection.json.dist'
+      - 'psalm.xml'
+
+  push:
+    paths-ignore:
+      - 'docs/**'
+      - 'README.md'
+      - 'CHANGELOG.md'
+      - '.gitignore'
+      - '.gitattributes'
+      - 'infection.json.dist'
+      - 'psalm.xml'
+
+name: compatibility
+
+jobs:
+  phpunit:
+    uses: php-forge/actions/.github/workflows/phpunit.yml@main
+    with:
+      composer-command: |
+        composer require yiisoft/yii2:2.0.49 --prefer-dist --no-progress --no-interaction --no-scripts --ansi
+      extensions: intl
+      os: >-
+        ['ubuntu-latest', 'windows-latest']
+      php: >-
+        ['8.1', '8.2', '8.3']

README.md

@@ -16,6 +16,9 @@
     <a href="https://github.com/yii2-extensions/debug/actions/workflows/build.yml" target="_blank">
         <img src="https://github.com/yii2-extensions/debug/actions/workflows/build.yml/badge.svg" alt="PHPUnit">
     </a>
+    <a href="https://github.com/yii2-extensions/debug/actions/workflows/compatibility.yml" target="_blank">
+        <img src="https://github.com/yii2-extensions/debug/actions/workflows/compatibility.yml/badge.svg" alt="Compatibility">
+    </a>     
     <a href="https://codecov.io/gh/yii2-extensions/debug" target="_blank">
         <img src="https://codecov.io/gh/yii2-extensions/debug/branch/main/graph/badge.svg?token=MF0XUGVLYC" alt="Codecov">
     </a>
@@ -70,7 +73,6 @@ return [
 You will see a debugger toolbar showing at the bottom of every page of your application.
 You can click on the toolbar to see more detailed debug information.
 
-
 ### Open Files in IDE
 
 You can create a link to open files in your favorite IDE with this configuration:
@@ -161,7 +163,6 @@ return [
 ];
 ```
 
-
 ## Testing
 
 [Check the documentation testing](/docs/testing.md) to learn about testing.