travis: add phpstan

Author: JanTvrdik

.travis.yml

@@ -0,0 +1,25 @@
+language: php
+php:
+  - 7.0
+  - 7.1
+  - 7.2
+  - master
+
+env:
+  - dependencies=lowest
+  - dependencies=highest
+
+matrix:
+  allow_failures:
+    - php: master
+      env: dependencies=lowest
+    - php: master
+      env: dependencies=highest
+
+before_script:
+  - composer self-update
+  - if [ "$dependencies" = "lowest" ]; then composer update --prefer-lowest --no-interaction; fi;
+  - if [ "$dependencies" = "highest" ]; then composer update --no-interaction; fi;
+
+script:
+  - vendor/bin/phpstan analyse --configuration phpstan.neon --level 6 src

composer.json

@@ -26,6 +26,10 @@
 		"latte/latte":  "~2.4",
 		"tracy/tracy":  "~2.4"
 	},
+	"require-dev": {
+		"phpstan/phpstan-shim": "~0.9.1",
+		"phpstan/phpstan-nette": "~0.9"
+	},
 	"extra": {
 		"branch-alias": {
 			"dev-master": "2.3-dev"

phpstan.neon

@@ -0,0 +1,2 @@
+includes:
+	- vendor/phpstan/phpstan-nette/extension.neon