diff --git a/.github/workflows/php-tests.yml b/.github/workflows/php-tests.yml
index 64a8366..d48e3b3 100644
--- a/.github/workflows/php-tests.yml
+++ b/.github/workflows/php-tests.yml
@@ -59,13 +59,21 @@ on:
         type: string
         default: 'pcov'
       coverage-php-version:
-        description: If non-empty, run coverage-command on the matrix entry matching this PHP version (instead of test-script) and upload an HTML coverage artifact. Leave empty to skip coverage collection entirely.
+        description: If non-empty, collect coverage on the matrix entry matching this PHP version (instead of running test-script) and upload the artifact. Leave empty to skip coverage collection entirely.
         type: string
         default: ''
-      coverage-command:
-        description: Command run on the coverage matrix entry. Used only when coverage-php-version is non-empty.
-        type: string
-        default: 'vendor/bin/phpunit --coverage-text --coverage-html coverage-report --colors=never'
+      coverage-html:
+        description: Generate the PHPUnit HTML coverage report under coverage-report/.
+        type: boolean
+        default: true
+      coverage-text:
+        description: Generate the PHPUnit text coverage report at coverage-report/coverage.txt.
+        type: boolean
+        default: true
+      coverage-clover:
+        description: Generate the Clover XML coverage report at coverage-report/clover.xml.
+        type: boolean
+        default: true
       coverage-artifact-name:
         description: Artifact name for the uploaded coverage report
         type: string
@@ -154,9 +162,29 @@ jobs:
 
       - name: Run tests with coverage
         if: ${{ inputs.coverage-php-version != '' && matrix.php-version == inputs.coverage-php-version }}
+        env:
+          COVERAGE_HTML: ${{ inputs.coverage-html }}
+          COVERAGE_TEXT: ${{ inputs.coverage-text }}
+          COVERAGE_CLOVER: ${{ inputs.coverage-clover }}
         run: |
+          set -euo pipefail
+          mkdir -p coverage-report
+          args=()
+          if [[ "$COVERAGE_HTML" = 'true' ]]; then
+            args+=(--coverage-html=coverage-report)
+          fi
+          if [[ "$COVERAGE_TEXT" = 'true' ]]; then
+            args+=(--coverage-text=coverage-report/coverage.txt)
+          fi
+          if [[ "$COVERAGE_CLOVER" = 'true' ]]; then
+            args+=(--coverage-clover=coverage-report/clover.xml)
+          fi
+          if (( ${#args[@]} == 0 )); then
+            echo '::error::At least one of coverage-html, coverage-text, coverage-clover must be true.'
+            exit 1
+          fi
           echo "::group::Running PHPUnit with Coverage"
-          ${{ inputs.coverage-command }}
+          vendor/bin/phpunit "${args[@]}" --colors=never
           echo "::endgroup::"
 
       - name: Upload coverage report