Fix travis configuration

Author: enumag

.travis.yml

@@ -17,7 +17,7 @@ matrix:
 
 install:
     - export PATH="$PATH:$HOME/.composer/vendor/bin"
-    - if php -v | grep -q 'PHP 7'; then composer tools; fi
+    - composer tools
     - composer global require satooshi/php-coveralls ^1.0.0
     - composer update --no-interaction
 
@@ -27,8 +27,8 @@ before_script:
 
 script:
     - "! (composer outdated --direct | grep ^)"
-    - if php -v | grep -q 'PHP 7'; then vendor-tools/bin/php-cs-fixer fix --dry-run; fi
-    - if php -v | grep -q 'PHP 7'; then vendor-tools/bin/phpstan analyse --level=4 --configuration=phpstan.neon src tests; fi
+    - vendor-tools/bin/php-cs-fixer fix --dry-run
+    - vendor-tools/bin/phpstan analyse --level=5 --configuration=phpstan.neon src tests
     - vendor/bin/codecept run $coverage
 
 after_success: