Update Travis CI config (#18)

* update Travis CI config

* remove not actual job

.travis.yml

@@ -2,36 +2,38 @@ language: php
 
 sudo: false
 
-php:
-    - 7.1
-    - 7.0
-    - 5.6
-    - hhvm
-
 notifications:
-    email: [email protected]
+    email:
+        - [email protected]
+
+branches:
+    except:
+        - /^analysis-.*$/
 
 matrix:
     fast_finish: true
     include:
+        - php: 7.3
+        - php: 7.2
+        - php: 7.1
+        - php: 7.0
         - php: 5.6
-          env: COVERAGE=1
     allow_failures:
         - php: hhvm
+          sudo: required
+          dist: trusty
+          group: edge
 
 before_install:
-    - if [ "$TRAVIS_PHP_VERSION" != "hhvm" ] && [ "$COVERAGE" != "1" ]; then phpenv config-rm xdebug.ini; fi;
-    - if [ "$TRAVIS_PHP_VERSION" != "hhvm" ]; then echo "memory_limit=2G" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini; fi;
+    - if [ "$TRAVIS_PHP_VERSION" = "hhvm" ]; then echo 'xdebug.enable = on' >> /etc/hhvm/php.ini; fi
     - if [ -n "$GH_TOKEN" ]; then composer config github-oauth.github.com ${GH_TOKEN}; fi;
-    - composer self-update
 
 before_script:
     - composer install --prefer-dist --no-interaction --no-scripts --no-progress
 
 script:
-    - if [ "$COVERAGE" != "1" ]; then vendor/bin/phpunit; fi;
-    - if [ "$COVERAGE" == "1" ]; then vendor/bin/phpunit --coverage-clover build/coverage-clover.xml; fi;
+    - vendor/bin/phpunit --coverage-clover build/coverage-clover.xml
 
 after_script:
-    - if [ "$COVERAGE" == "1" ]; then vendor/bin/ocular code-coverage:upload --format=php-clover build/coverage-clover.xml; fi;
-    - if [ "$COVERAGE" == "1" ]; then vendor/bin/coveralls -v -c .coveralls.yml; fi;
+    - vendor/bin/ocular code-coverage:upload --format=php-clover build/coverage-clover.xml
+    - vendor/bin/coveralls -v -c .coveralls.yml