feature #890 Enabled checking the PHP code syntax (TomasVotruba)

This PR was merged into the master branch.

Discussion
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Enabled checking the PHP code syntax

Ref #721

Commits
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28b6291 enable cs check

.travis.yml

@@ -5,7 +5,6 @@ php:
   - 5.4
   - 5.5
   - 5.6
-  - 7.0
   - hhvm
 
 sudo: false
@@ -35,14 +34,14 @@ matrix:
       env: SYMFONY_VERSION=2.8.*
     - php: 5.6
       env: TWIG_VERSION="2.0.x-dev"
+    - php: 7.0
+      env: PHP_CS=yes
   allow_failures:
     - php: hhvm
     - env: TWIG_VERSION="2.0.x-dev"
 
 before_install:
-  - if [[ "$TRAVIS_PHP_VERSION" =~ 5.3 ]] && [[ "$COMPOSER_FLAGS" != "--prefer-lowest" ]]; then export PHP_CS="no"; fi;
   - if [[ "SYMFONY_VERSION" == "2.8.*" || "SYMFONY_VERSION" == "3.0.*" ]]; then export SYMFONY_DEPRECATIONS_HELPER="strict"; fi;
-  - if [[ "$PHP_CS" == "yes" ]]; then mv $HOME/.app/cache/.php_cs.cache ./.php_cs.cache 2>/dev/null || true; fi;
   - if [[ "$SYMFONY_VERSION" = "" ]] && [[ "$TWIG_VERSION" = "" ]] && [[ "$TRAVIS_PHP_VERSION" =~ 5.[45] ]] && [[ "$TRAVIS_PULL_REQUEST" != "false" ]]; then export skip="yes"; fi;
   - if [[ "$skip" != "yes" ]]; then composer selfupdate; fi
   - if [[ "$skip" != "yes" && "$SYMFONY_VERSION" != "" ]]; then composer require "symfony/symfony:${SYMFONY_VERSION}" --no-update; fi;