add pecl_http

.travis.yml

@@ -20,7 +20,7 @@ cache:
     - $HOME/.composer/cache
 
 before_script:
-  #- bash -c "pecl install pecl_http-3.1.0"
+  - bash -c "pecl install pecl_http"
   - composer require --prefer-source --dev symfony/event-dispatcher:${SYMFONY_VERSION}
 
 script: vendor/bin/phpunit -c phpunit.xml.travis -v
@@ -28,14 +28,14 @@ script: vendor/bin/phpunit -c phpunit.xml.travis -v
 after_success:
   - travis_retry php vendor/bin/coveralls -v
 
-#matrix:
+matrix:
 #  exclude:
-#      - php: 5.3
-#        env: SYMFONY_VERSION=3.0.*
-#      - php: 5.4
-#        env: SYMFONY_VERSION=3.0.*
-#  allow_failures:
-#      - php: 5.3
+#      - php: 7.1
+#        env: SYMFONY_VERSION=2.3.*
 #      - php: nightly
+#        env: SYMFONY_VERSION=2.3.*
+  allow_failures:
+#      - php: 5.3
+      - php: nightly
 
 sudo: false