travis: finely segmented matrix, added PhpStan

Author: dg

.travis.yml

@@ -18,18 +18,33 @@ after_failure:
 
 jobs:
     include:
-        -   stage: Code Standard Checker
+        -   name: Nette Code Checker
             install:
-                # Install Nette Code Checker
                 - travis_retry composer create-project nette/code-checker temp/code-checker ^3 --no-progress
-                # Install Nette Coding Standard
-                - travis_retry composer create-project nette/coding-standard temp/coding-standard ^2 --no-progress
+            script:
+                - php temp/code-checker/code-checker --strict-types
+
 
+        -   name: Nette Coding Standard
+            install:
+                - travis_retry composer create-project nette/coding-standard temp/coding-standard ^2 --no-progress
             script:
-                - php temp/code-checker/code-checker
                 - php temp/coding-standard/ecs check src tests --config temp/coding-standard/coding-standard-php71.yml
 
 
+        -   stage: Static Analysis (informative)
+            install:
+                # Install PHPStan
+                - travis_retry composer create-project phpstan/phpstan-shim temp/phpstan --no-progress
+                - travis_retry composer install --no-progress --prefer-dist
+            script:
+                - php temp/phpstan/phpstan.phar analyse --autoload-file vendor/autoload.php --level 5 src
+
+
+    allow_failures:
+        -   stage: Static Analysis (informative)
+
+
 sudo: false
 
 cache: