Output PHP_VERSION as an env too.

README.md

@@ -1,2 +1,12 @@
 # action-setup-php
 Sets up a PHP project with GitHub Actions, including detecting PHP version and running composer install.
+
+## Inputs:
+- `working_directory`: The directory to run the PHP setup in. Default: `.`.
+- `php_tools`: The PHP tools to install. 
+
+## Outputs:
+- `php_version`: The PHP version that was detected.
+
+## Exported Envs:
+- `PHP_VERSION`: The PHP version that was detected.

action.yml

@@ -53,4 +53,14 @@ runs:
       with:
           path: ${{ steps.composer-cache-find.outputs.dir }}
           key: ${{ steps.composer-cache-find.outputs.key }}
+    - shell: bash
+      run: |
+        echo "PHP Version: ${{ steps.read-php-version.outputs.php_version }}"
+        echo "PHP Tools: ${{ inputs.php_tools }}"
+        echo "Composer Cache Dir: ${{ steps.composer-cache-find.outputs.dir }}"
+        echo "Composer Cache Key: ${{ steps.composer-cache-find.outputs.key }}"
+        echo "Composer Cache Restore Key: ${{ steps.composer-cache-find.outputs.restore-key }}"
+        {
+          echo "PHP_VERSION=${{ steps.read-php-version.outputs.php_version }}"
+        } >> $GITHUB_ENV