only support symfony 4.x for now...

Author: Basster

.travis.yml

@@ -8,13 +8,9 @@ matrix:
   fast_finish: true
   include:
     - php: 7.3
-      env: SYMFONY_VERSION='~3.4.0'
-    - php: 7.3
-      env: SYMFONY_VERSION='~4.0'
 
 before_script:
   - phpenv config-add travis.php.ini
-  - if [ "$SYMFONY_VERSION" != "" ]; then composer require --dev --no-update symfony/symfony=$SYMFONY_VERSION; fi
   - composer update --prefer-source -o --no-interaction
 
 script: vendor/bin/phpunit -c phpunit.xml.dist