Merge branch 'hotfix/42'

Close #42

Author: weierophinney

.travis.yml

@@ -2,14 +2,19 @@ sudo: false
 
 language: php
 
+cache:
+  directories:
+    - $HOME/.composer/cache
+
 matrix:
   fast_finish: true
   include:
     - php: 5.5
+      env:
+        - EXECUTE_CS_CHECK=true
     - php: 5.6
       env:
         - EXECUTE_COVERAGE=true
-        - EXECUTE_CS_CHECK=true
     - php: 7
     - php: hhvm 
   allow_failures:
@@ -21,15 +26,16 @@ notifications:
 
 before_install:
   - if [[ $EXECUTE_COVERAGE != 'true' ]]; then phpenv config-rm xdebug.ini || return 0 ; fi
+  - composer self-update
+  - if [[ $EXECUTE_COVERAGE == 'true' ]]; then composer require --no-update satooshi/php-coveralls:dev-master ; fi
 
 install:
-  - composer install
+  - travis_retry composer install --no-interaction --ignore-platform-reqs
 
 script:
   - if [[ $EXECUTE_COVERAGE == 'true' ]]; then ./vendor/bin/phpunit --coverage-clover clover.xml ; fi
   - if [[ $EXECUTE_COVERAGE != 'true' ]]; then ./vendor/bin/phpunit ; fi
   - if [[ $EXECUTE_CS_CHECK == 'true' ]]; then ./vendor/bin/phpcs ; fi
 
 after_script:
-  - if [[ $EXECUTE_COVERAGE == 'true' ]]; then composer require satooshi/php-coveralls:dev-master ; fi
   - if [[ $EXECUTE_COVERAGE == 'true' ]]; then ./vendor/bin/coveralls ; fi