Seperate symfony rules into config/symfony-rules.neon (#25)

Author: temp

README.md

@@ -29,10 +29,6 @@ includes:
 
 ## Rules
 
-1. `SlamPhpStan\SymfonyFilesystemRule`: forbid calls to raw filesystem functions well wrapped by
-[`symfony/filesystem`](https://github.com/symfony/filesystem) component
-1. `SlamPhpStan\SymfonyProcessRule`: forbid calls to raw system functions well wrapped by
-[`symfony/process`](https://github.com/symfony/process) component
 1. `SlamPhpStan\UnusedVariableRule`: check for variable inside functions never used after initial assignment
 1. `SlamPhpStan\MissingClosureParameterTypehintRule`: requires parameter typehints for closures; WARNING: no PhpDoc
 allowed, see [`phpstan/phpstan-strict-rules#87`](https://github.com/phpstan/phpstan-strict-rules/issues/87)
@@ -53,6 +49,22 @@ classes that extend or implement a certain class/interface
 1.  `SlamPhpStan\AccessStaticPropertyWithinModelContextRule`: inhibit the access to static attributes of a class within
 classes that extend or implement a certain class/interface, useful to prohibit usage of singletons in models
 
+## Symfony-specific config
+
+A `symfony-rules.neon` config is present for Symfony projects:
+
+```yaml
+includes:
+    - vendor/slam/phpstan-extensions/conf/symfony-rules.neon
+```
+
+With the following configurations:
+
+1. `SlamPhpStan\SymfonyFilesystemRule`: forbid calls to raw filesystem functions well wrapped by
+[`symfony/filesystem`](https://github.com/symfony/filesystem) component
+1. `SlamPhpStan\SymfonyProcessRule`: forbid calls to raw system functions well wrapped by
+[`symfony/process`](https://github.com/symfony/process) component
+
 ## Yii-specific config
 
 A `yii-rules.neon` config is present for Yii projects:

conf/slam-rules.neon

@@ -19,14 +19,6 @@ services:
         class: SlamPhpStan\UnusedVariableRule
         tags:
             - phpstan.rules.rule
-    -
-        class: SlamPhpStan\SymfonyFilesystemRule
-        tags:
-            - phpstan.rules.rule
-    -
-        class: SlamPhpStan\SymfonyProcessRule
-        tags:
-            - phpstan.rules.rule
     -
         class: SlamPhpStan\MissingClosureParameterTypehintRule
         tags:

conf/symfony-rules.neon

@@ -0,0 +1,9 @@
+services:
+    -
+        class: SlamPhpStan\SymfonyFilesystemRule
+        tags:
+            - phpstan.rules.rule
+    -
+        class: SlamPhpStan\SymfonyProcessRule
+        tags:
+            - phpstan.rules.rule

phpstan.neon

@@ -3,6 +3,7 @@ includes:
     - vendor/phpstan/phpstan-phpunit/extension.neon
     - vendor/phpstan/phpstan-php-parser/extension.neon
     - conf/slam-rules.neon
+    - conf/symfony-rules.neon
     - conf/thecodingmachine-rules.neon
 
 parameters: