Add phpcs ruleset and fix violations

phpcs.xml.dist

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ruleset name="SilverStripe">
+    <description>CodeSniffer ruleset for SilverStripe coding conventions.</description>
+
+    <!-- base rules are PSR-2 -->
+    <rule ref="PSR2" >
+        <!-- Current exclusions -->
+        <exclude name="PSR1.Methods.CamelCapsMethodName" />
+        <exclude name="PSR1.Files.SideEffects.FoundWithSymbols" />
+        <exclude name="PSR2.Classes.PropertyDeclaration" />
+        <exclude name="PSR2.ControlStructures.SwitchDeclaration" /> <!-- causes php notice while linting -->
+        <exclude name="PSR2.ControlStructures.SwitchDeclaration.WrongOpenercase" />
+        <exclude name="PSR2.ControlStructures.SwitchDeclaration.WrongOpenerdefault" />
+        <exclude name="PSR2.ControlStructures.SwitchDeclaration.TerminatingComment" />
+        <exclude name="PSR2.Methods.MethodDeclaration.Underscore" />
+        <exclude name="Squiz.Scope.MethodScope" />
+        <exclude name="Squiz.Classes.ValidClassName.NotCamelCaps" />
+        <exclude name="Generic.Files.LineLength.TooLong" />
+        <exclude name="PEAR.Functions.ValidDefaultValue.NotAtEnd" />
+    </rule>
+</ruleset>
+

src/Forms/GridField/GridFieldBlogPostState.php

@@ -6,7 +6,6 @@ use SilverStripe\Blog\Model\BlogPost;
 use SilverStripe\Lumberjack\Forms\GridFieldSiteTreeState;
 use SilverStripe\View\Requirements;
 
-
 /**
  * Provides a component to the {@link GridField} which tells the user whether or not a blog post
  * has been published and when.

src/Widgets/BlogCategoriesWidget.php

@@ -123,5 +123,3 @@ class BlogCategoriesWidget extends Widget
         return $query;
     }
 }
-
-

tests/BlogTagTest.php

@@ -215,5 +215,4 @@ class BlogTagTest extends FunctionalTest
         $tag->write();
         $this->assertEquals($tag->URLSegment, "another-test");
     }
-
 }