diff --git a/.gitignore b/.gitignore
index 57872d0..e1100b2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
-/vendor/
+vendor/
+cache/*
+composer.lock
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..ddde192
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,29 @@
+language: php
+
+dist: trusty
+
+cache:
+  directories:
+    - $HOME/.composer/cache/files
+
+php:
+  - 5.5
+  - 5.6
+  - 7
+  - 7.1
+  - hhvm
+  - nightly
+
+matrix:
+  fast_finish: true
+
+before_install:
+  - sudo apt-get update
+  - sudo apt-get -y -o Dpkg::Options::="--force-confnew" install docker-ce
+
+before_script:
+  - travis_retry composer update --no-interaction
+  - mkdir -p cache
+
+script:
+  - vendor/bin/phpcs -p --warning-severity=0 --cache=cache/phpcs --parallel=10 PHP/ examples/
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 0c3213e..6bfd0ff 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -3,6 +3,6 @@
 This is the process for submitting a proposed change to any standards or examples in this repository:
 
 1. Create a branch and make the desired changes.
-2. Open a Pull Request from your branch into the master branch.
-3. The rest of the team will then debate and amend the change and ultimately decide if it should be included.
-4. It will be merged if the majority of the team agrees with the change.
+1. Open a Pull Request from your branch into the master branch.
+1. The rest of the team will then debate and amend the change and ultimately decide if it should be included.
+1. It will be merged if the majority of the team agrees with the change.
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..2377269
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,12 @@
+build:
+	@docker run --rm -it \
+		-v $$(pwd):/usr/src/app \
+		-v ~/.composer:/home/composer/.composer \
+		-v ~/.ssh/id_rsa:/home/composer/.ssh/id_rsa:ro \
+		graze/composer install
+
+lint:
+	@mkdir -p cache
+	@docker run --rm -it -v $$(pwd):/srv:cached graze/php-alpine:test vendor/bin/phpcs \
+		-p --warning-severity=0 --cache=cache/phpcs --parallel=10 \
+		PHP/ examples/
diff --git a/PHP/CodeSniffer/Graze/Sniffs/Commenting/InlineVariableCommentSniff.php b/PHP/CodeSniffer/Graze/Sniffs/Commenting/InlineVariableCommentSniff.php
index 90fd294..ea24530 100644
--- a/PHP/CodeSniffer/Graze/Sniffs/Commenting/InlineVariableCommentSniff.php
+++ b/PHP/CodeSniffer/Graze/Sniffs/Commenting/InlineVariableCommentSniff.php
@@ -1,44 +1,50 @@
 <?php
 
-class Graze_Sniffs_Commenting_InlineVariableCommentSniff extends PHP_CodeSniffer_Standards_AbstractVariableSniff
+namespace Graze\Sniffs\Commenting;
+
+use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Sniffs\AbstractVariableSniff;
+
+class InlineVariableCommentSniff extends AbstractVariableSniff
 {
+    const ERROR_CODE = 'graze.commenting.inlineVariableComment';
     /**
      * Called to process class member vars.
      *
-     * @param PHP_CodeSniffer_File $phpcsFile The PHP_CodeSniffer file where this
+     * @param File $phpcsFile The PHP_CodeSniffer file where this
      *                                        token was found.
      * @param int $stackPtr The position where the token was found.
      *
      * @return void
      */
     protected function processMemberVar(
-        PHP_CodeSniffer_File $phpcsFile,
+        File $phpcsFile,
         $stackPtr
     ) {
         $tokens       = $phpcsFile->getTokens();
-        $commentToken = array(
+        $commentToken = [
             T_COMMENT,
             T_DOC_COMMENT_CLOSE_TAG,
-        );
+        ];
         $commentEnd = $phpcsFile->findPrevious($commentToken, $stackPtr);
         $commentStart = $tokens[$commentEnd]['comment_opener'];
 
         if ($tokens[$commentEnd]['line'] === $tokens[$commentStart]['line']) {
-            $phpcsFile->addError('Member variable comment should not be inline', $stackPtr);
+            $phpcsFile->addError('Member variable comment should not be inline', $stackPtr, static::ERROR_CODE);
         }
     }
 
     /**
      * Called to process normal member vars.
      *
-     * @param PHP_CodeSniffer_File $phpcsFile The PHP_CodeSniffer file where this
+     * @param File $phpcsFile The PHP_CodeSniffer file where this
      *                                        token was found.
      * @param int $stackPtr The position where the token was found.
      *
      * @return void
      */
     protected function processVariable(
-        PHP_CodeSniffer_File $phpcsFile,
+        File $phpcsFile,
         $stackPtr
     ) {
     }
@@ -48,7 +54,7 @@ protected function processVariable(
      * Note that there may be more than one variable in the string, which will
      * result only in one call for the string or one call per line for heredocs.
      *
-     * @param PHP_CodeSniffer_File $phpcsFile The PHP_CodeSniffer file where this
+     * @param File $phpcsFile The PHP_CodeSniffer file where this
      *                                        token was found.
      * @param int $stackPtr The position where the double quoted
      *                                        string was found.
@@ -56,7 +62,7 @@ protected function processVariable(
      * @return void
      */
     protected function processVariableInString(
-        PHP_CodeSniffer_File $phpcsFile,
+        File $phpcsFile,
         $stackPtr
     ) {
     }
diff --git a/PHP/CodeSniffer/Graze/Sniffs/Commenting/InvalidTypeSniff.php b/PHP/CodeSniffer/Graze/Sniffs/Commenting/InvalidTypeSniff.php
index d09832a..b7d9f4f 100644
--- a/PHP/CodeSniffer/Graze/Sniffs/Commenting/InvalidTypeSniff.php
+++ b/PHP/CodeSniffer/Graze/Sniffs/Commenting/InvalidTypeSniff.php
@@ -1,7 +1,13 @@
 <?php
 
-class Graze_Sniffs_Commenting_InvalidTypeSniff implements PHP_CodeSniffer_Sniff
+namespace Graze\Sniffs\Commenting;
+
+use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Sniffs\Sniff;
+
+class InvalidTypeSniff implements Sniff
 {
+    const ERROR_CODE = 'graze.commenting.invalidType';
     /**
      * @var array
      */
@@ -31,10 +37,10 @@ public function register()
     }
 
     /**
-     * @param \PHP_CodeSniffer_File $phpcsFile
+     * @param File $phpcsFile
      * @param int $stackPtr
      */
-    public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
+    public function process(File $phpcsFile, $stackPtr)
     {
         $tokens = $phpcsFile->getTokens();
         $commentToken = [
@@ -61,7 +67,7 @@ public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
                 $type = array_shift($typeBits);
 
                 if (array_key_exists($type, static::$types)) {
-                    $fix = $phpcsFile->addFixableError('Type should be \'' . static::$types[$type] . '\' not \'' . $type . '\'', $tag);
+                    $fix = $phpcsFile->addFixableError('Type should be \'' . static::$types[$type] . '\' not \'' . $type . '\'', $tag, static::ERROR_CODE);
                     if ($fix) {
                         $content = trim(static::$types[$type] . ' ' . implode(' ', $typeBits));
                         $phpcsFile->fixer->replaceToken(($tag + 2), $content);
diff --git a/PHP/CodeSniffer/Graze/Sniffs/Commenting/MissingFunctionCommentSniff.php b/PHP/CodeSniffer/Graze/Sniffs/Commenting/MissingFunctionCommentSniff.php
index ce1b505..b25aabb 100644
--- a/PHP/CodeSniffer/Graze/Sniffs/Commenting/MissingFunctionCommentSniff.php
+++ b/PHP/CodeSniffer/Graze/Sniffs/Commenting/MissingFunctionCommentSniff.php
@@ -1,7 +1,16 @@
 <?php
 
-class Graze_Sniffs_Commenting_MissingFunctionCommentSniff implements PHP_CodeSniffer_Sniff
+namespace Graze\Sniffs\Commenting;
+
+use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Sniffs\Sniff;
+use PHP_CodeSniffer\Util\Tokens;
+
+class MissingFunctionCommentSniff implements Sniff
 {
+    const ERROR_CODE_RETURN = 'graze.commenting.missingFunctionComment.returnNoDoc';
+    const ERROR_CODE_PARAMETER = 'graze.commenting.missingFunctionComment.parameterNoDoc';
+
     /**
      * Registers the tokens that this sniff wants to listen for.
      * An example return value for a sniff that wants to listen for whitespace
@@ -13,25 +22,28 @@ class Graze_Sniffs_Commenting_MissingFunctionCommentSniff implements PHP_CodeSni
      *            T_COMMENT,
      *           );
      * </code>
+     *
      * @return int[]
      * @see    Tokens.php
      */
     public function register()
     {
         return [
-            T_FUNCTION
+            T_FUNCTION,
         ];
     }
 
     /**
-     * @param \PHP_CodeSniffer_File $phpcsFile
-     * @param int $stackPtr
+     * @param File $phpcsFile
+     * @param int  $stackPtr
+     *
+     * @return int|void
      */
-    public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
+    public function process(File $phpcsFile, $stackPtr)
     {
         $tokens = $phpcsFile->getTokens();
 
-        $find   = PHP_CodeSniffer_Tokens::$methodPrefixes;
+        $find = Tokens::$methodPrefixes;
         $find[] = T_WHITESPACE;
 
         $commentEnd = $phpcsFile->findPrevious($find, ($stackPtr - 1), null, true);
@@ -49,24 +61,25 @@ public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
         if ($tokens[$commentEnd]['code'] !== T_DOC_COMMENT_CLOSE_TAG
             && $tokens[$commentEnd]['code'] !== T_COMMENT
         ) {
-            if (array_key_exists('scope_opener', $tokens[$stackPtr]) && $this->functionHasReturn($phpcsFile, $stackPtr)) {
-                $phpcsFile->addError('Function has return keyword but no doc block', $stackPtr);
+            if (array_key_exists('scope_opener', $tokens[$stackPtr])
+                && $this->functionHasReturn($phpcsFile, $stackPtr)) {
+                $phpcsFile->addError('Function has return keyword but no doc block', $stackPtr, static::ERROR_CODE_RETURN);
                 return;
             }
 
             if ($this->functionHasParams($phpcsFile, $stackPtr)) {
-                $phpcsFile->addError('Function has parameters but no doc block', $stackPtr);
+                $phpcsFile->addError('Function has parameters but no doc block', $stackPtr, static::ERROR_CODE_PARAMETER);
             }
         }
     }
 
     /**
-     * @param \PHP_CodeSniffer_File $phpcsFile
-     * @param int $stackPtr
+     * @param File $phpcsFile
+     * @param int  $stackPtr
      *
      * @return bool
      */
-    private function functionHasReturn(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
+    private function functionHasReturn(File $phpcsFile, $stackPtr)
     {
         $tokens = $phpcsFile->getTokens();
         $start = $tokens[$stackPtr]['scope_opener'];
@@ -79,7 +92,7 @@ private function functionHasReturn(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
             }
 
             // if we hit a return keyword that isn't immediately followed by a semicolon, we need a doc block
-            if ($tokens[$i]['code'] === T_RETURN && $tokens[$i+1]['code'] !== T_SEMICOLON) {
+            if ($tokens[$i]['code'] === T_RETURN && $tokens[$i + 1]['code'] !== T_SEMICOLON) {
                 return true;
             }
         }
@@ -88,13 +101,14 @@ private function functionHasReturn(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
     }
 
     /**
-     * @param PHP_CodeSniffer_File $phpcsFile
-     * @param $stackPtr
+     * @param File $phpcsFile
+     * @param int  $stackPtr
      *
      * @return bool
+     * @throws \PHP_CodeSniffer\Exceptions\TokenizerException
      */
-    private function functionHasParams(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
+    private function functionHasParams(File $phpcsFile, $stackPtr)
     {
-        return (bool) $phpcsFile->getMethodParameters($stackPtr);
+        return (bool)$phpcsFile->getMethodParameters($stackPtr);
     }
 }
diff --git a/PHP/CodeSniffer/Graze/Sniffs/ControlStructures/IfVariableAssignmentSniff.php b/PHP/CodeSniffer/Graze/Sniffs/ControlStructures/IfVariableAssignmentSniff.php
index b4325ec..7f3b996 100644
--- a/PHP/CodeSniffer/Graze/Sniffs/ControlStructures/IfVariableAssignmentSniff.php
+++ b/PHP/CodeSniffer/Graze/Sniffs/ControlStructures/IfVariableAssignmentSniff.php
@@ -1,7 +1,13 @@
 <?php
 
-class Graze_Sniffs_ControlStructures_IfVariableAssignmentSniff implements PHP_CodeSniffer_Sniff
+namespace Graze\Sniffs\ControlStructures;
+
+use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Sniffs\Sniff;
+
+class IfVariableAssignmentSniff implements Sniff
 {
+    const ERROR_CODE = 'graze.controlStructures.ifVariableAssignment';
     /**
      * Registers the tokens that this sniff wants to listen for.
      *
@@ -49,7 +55,7 @@ public function register()
      *    $phpcsFile->addError('Encountered an error', $stackPtr);
      * </code>
      *
-     * @param PHP_CodeSniffer_File $phpcsFile The PHP_CodeSniffer file where the
+     * @param File $phpcsFile The PHP_CodeSniffer file where the
      *                                        token was found.
      * @param int $stackPtr The position in the PHP_CodeSniffer
      *                                        file's token stack where the token
@@ -60,7 +66,7 @@ public function register()
      *                  pointer is reached. Return (count($tokens) + 1) to skip
      *                  the rest of the file.
      */
-    public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
+    public function process(File $phpcsFile, $stackPtr)
     {
         $tokens = $phpcsFile->getTokens();
 
@@ -69,7 +75,7 @@ public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
 
         for ($i = $start; $i <= $end; $i++) {
             if ($tokens[$i]['code'] === T_EQUAL) {
-                $phpcsFile->addError('Variable assigment in if statement', $stackPtr);
+                $phpcsFile->addError('Variable assigment in if statement', $stackPtr, static::ERROR_CODE);
             }
         }
     }
diff --git a/PHP/CodeSniffer/Graze/Sniffs/ControlStructures/NestedTernarySniff.php b/PHP/CodeSniffer/Graze/Sniffs/ControlStructures/NestedTernarySniff.php
index 81a81a4..22fadcd 100644
--- a/PHP/CodeSniffer/Graze/Sniffs/ControlStructures/NestedTernarySniff.php
+++ b/PHP/CodeSniffer/Graze/Sniffs/ControlStructures/NestedTernarySniff.php
@@ -1,7 +1,13 @@
 <?php
 
-class Graze_Sniffs_ControlStructures_NestedTernarySniff implements PHP_CodeSniffer_Sniff
+namespace Graze\Sniffs\ControlStructures;
+
+use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Sniffs\Sniff;
+
+class NestedTernarySniff implements Sniff
 {
+    const ERROR_CODE = 'graze.controlStructures.nestedTernary';
 
     /**
      * Registers the tokens that this sniff wants to listen for.
@@ -50,7 +56,7 @@ public function register()
      *    $phpcsFile->addError('Encountered an error', $stackPtr);
      * </code>
      *
-     * @param PHP_CodeSniffer_File $phpcsFile The PHP_CodeSniffer file where the
+     * @param File $phpcsFile The PHP_CodeSniffer file where the
      *                                        token was found.
      * @param int $stackPtr The position in the PHP_CodeSniffer
      *                                        file's token stack where the token
@@ -61,7 +67,7 @@ public function register()
      *                  pointer is reached. Return (count($tokens) + 1) to skip
      *                  the rest of the file.
      */
-    public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
+    public function process(File $phpcsFile, $stackPtr)
     {
         $tokens = $phpcsFile->getTokens();
 
@@ -70,7 +76,7 @@ public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
 
         for ($i = $start; $i <= $end; $i++) {
             if ($tokens[$i]['code'] === T_INLINE_THEN) {
-                $phpcsFile->addError('Nested ternary operator is not allowed', $stackPtr);
+                $phpcsFile->addError('Nested ternary operator is not allowed', $stackPtr, static::ERROR_CODE);
             }
         }
     }
diff --git a/PHP/CodeSniffer/Graze/Sniffs/Files/DoubleBlankLineSniff.php b/PHP/CodeSniffer/Graze/Sniffs/Files/DoubleBlankLineSniff.php
index 565f4af..12efd56 100644
--- a/PHP/CodeSniffer/Graze/Sniffs/Files/DoubleBlankLineSniff.php
+++ b/PHP/CodeSniffer/Graze/Sniffs/Files/DoubleBlankLineSniff.php
@@ -1,7 +1,14 @@
 <?php
 
-class Graze_Sniffs_Files_DoubleBlankLineSniff implements PHP_CodeSniffer_Sniff
+namespace Graze\Sniffs\Files;
+
+use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Sniffs\Sniff;
+
+class DoubleBlankLineSniff implements Sniff
 {
+    const ERROR_CODE = 'graze.files.doubleBlankLine';
+
     /**
      * Registers the tokens that this sniff wants to listen for.
      *
@@ -49,7 +56,7 @@ public function register()
      *    $phpcsFile->addError('Encountered an error', $stackPtr);
      * </code>
      *
-     * @param PHP_CodeSniffer_File $phpcsFile The PHP_CodeSniffer file where the
+     * @param File $phpcsFile The PHP_CodeSniffer file where the
      *                                        token was found.
      * @param int $stackPtr The position in the PHP_CodeSniffer
      *                                        file's token stack where the token
@@ -60,7 +67,7 @@ public function register()
      *                  pointer is reached. Return (count($tokens) + 1) to skip
      *                  the rest of the file.
      */
-    public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
+    public function process(File $phpcsFile, $stackPtr)
     {
         $tokens = $phpcsFile->getTokens();
 
@@ -71,7 +78,7 @@ public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
                 $nextWhitespace = $tokens[$nextWhitespace];
                 if ($nextWhitespace['column'] === 1 && $nextWhitespace['length'] === 0 && $nextWhitespace['line'] - $currentLineNumber === 1) {
                     // double blank line
-                    $phpcsFile->addError('Multiple blank lines detected', $stackPtr);
+                    $phpcsFile->addError('Multiple blank lines detected', $stackPtr, static::ERROR_CODE);
                 }
             }
         }
diff --git a/PHP/CodeSniffer/Graze/Sniffs/Naming/AbstractClassNamingSniff.php b/PHP/CodeSniffer/Graze/Sniffs/Naming/AbstractClassNamingSniff.php
index 24c7b14..88d53da 100644
--- a/PHP/CodeSniffer/Graze/Sniffs/Naming/AbstractClassNamingSniff.php
+++ b/PHP/CodeSniffer/Graze/Sniffs/Naming/AbstractClassNamingSniff.php
@@ -1,7 +1,14 @@
 <?php
 
-class Graze_Sniffs_Naming_AbstractClassNamingSniff implements PHP_CodeSniffer_Sniff
+namespace Graze\Sniffs\Naming;
+
+use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Sniffs\Sniff;
+
+class AbstractClassNamingSniff implements Sniff
 {
+    const ERROR_CODE = 'graze.naming.abstractClass';
+
     /**
      * Registers the tokens that this sniff wants to listen for.
      *
@@ -49,7 +56,7 @@ public function register()
      *    $phpcsFile->addError('Encountered an error', $stackPtr);
      * </code>
      *
-     * @param PHP_CodeSniffer_File $phpcsFile The PHP_CodeSniffer file where the
+     * @param File $phpcsFile The PHP_CodeSniffer file where the
      *                                        token was found.
      * @param int $stackPtr The position in the PHP_CodeSniffer
      *                                        file's token stack where the token
@@ -60,7 +67,7 @@ public function register()
      *                  pointer is reached. Return (count($tokens) + 1) to skip
      *                  the rest of the file.
      */
-    public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
+    public function process(File $phpcsFile, $stackPtr)
     {
         $tokens = $phpcsFile->getTokens();
 
@@ -68,7 +75,7 @@ public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
             $className = $phpcsFile->getDeclarationName($stackPtr);
 
             if (substr($className, 0, 8) !== 'Abstract') {
-                $phpcsFile->addError('Abstract class name "%s" must be prefixed with "Abstract"', $stackPtr, '', [$className]);
+                $phpcsFile->addError('Abstract class name "%s" must be prefixed with "Abstract"', $stackPtr, static::ERROR_CODE, '', [$className]);
             }
         }
     }
diff --git a/PHP/CodeSniffer/Graze/Sniffs/Naming/InterfaceNamingSniff.php b/PHP/CodeSniffer/Graze/Sniffs/Naming/InterfaceNamingSniff.php
index 1093b37..d41be41 100644
--- a/PHP/CodeSniffer/Graze/Sniffs/Naming/InterfaceNamingSniff.php
+++ b/PHP/CodeSniffer/Graze/Sniffs/Naming/InterfaceNamingSniff.php
@@ -1,7 +1,13 @@
 <?php
 
-class Graze_Sniffs_Naming_InterfaceNamingSniff implements PHP_CodeSniffer_Sniff
+namespace Graze\Sniffs\Naming;
+
+use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Sniffs\Sniff;
+
+class InterfaceNamingSniff implements Sniff
 {
+    const ERROR_CODE = 'graze.naming.interface';
 
     /**
      * Registers the tokens that this sniff wants to listen for.
@@ -50,7 +56,7 @@ public function register()
      *    $phpcsFile->addError('Encountered an error', $stackPtr);
      * </code>
      *
-     * @param PHP_CodeSniffer_File $phpcsFile The PHP_CodeSniffer file where the
+     * @param File $phpcsFile The PHP_CodeSniffer file where the
      *                                        token was found.
      * @param int $stackPtr The position in the PHP_CodeSniffer
      *                                        file's token stack where the token
@@ -61,12 +67,12 @@ public function register()
      *                  pointer is reached. Return (count($tokens) + 1) to skip
      *                  the rest of the file.
      */
-    public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
+    public function process(File $phpcsFile, $stackPtr)
     {
         $className = $phpcsFile->getDeclarationName($stackPtr);
 
         if (substr($className, -9) !== 'Interface') {
-            $phpcsFile->addError('Interface name "%s" must be suffixed with "Interface"', $stackPtr, '', [$className]);
+            $phpcsFile->addError('Interface name "%s" must be suffixed with "Interface"', $stackPtr, static::ERROR_CODE, '', [$className]);
         }
     }
 }
diff --git a/composer.json b/composer.json
index e21d478..9c97265 100644
--- a/composer.json
+++ b/composer.json
@@ -10,9 +10,12 @@
     "license": "MIT",
     "authors": [
         {
-            "name": "Will Pillar",
-            "email": "will.pillar@graze.com"
+            "name": "Graze Developers",
+            "email": "developers@graze.com"
         }
     ],
-    "require": {}
+    "require": {},
+    "require-dev": {
+        "squizlabs/php_codesniffer": "^3.0"
+    }
 }
diff --git a/examples/PHP/class.php b/examples/PHP/class.php
index a177415..6980158 100644
--- a/examples/PHP/class.php
+++ b/examples/PHP/class.php
@@ -2,7 +2,8 @@
 
 namespace Graze\Example; // namespace declaration with blank line above
 
-use Graze\Lib\Foo; // use statements with blank line above
+// use statements with blank line above
+use Foo;
 
 class Example
 {
@@ -28,10 +29,15 @@ public function getFoo()
     }
 
     /**
-     * @param Foo $foo
-     * @param string $bar
-     * @param string $baz
-     * @param string $bat
+     * @param Foo         $foo
+     * @param string      $bar
+     * @param string      $baz
+     * @param string      $bat
+     * @param string|null $bak
+     * @param string|null $bas
+     * @param string|null $bab
+     * @param string|null $bap
+     * @param string|null $bad
      */
     public function methodWithManyArguments(
         Foo $foo,
diff --git a/examples/PHP/controlStatements.php b/examples/PHP/controlStatements.php
index 4245a4f..29875b7 100644
--- a/examples/PHP/controlStatements.php
+++ b/examples/PHP/controlStatements.php
@@ -2,31 +2,32 @@
 
 // basic if - else
 if ($expr1) {
-    // if body
+    echo 'if body';
 } elseif ($expr2) {
-    // elseif body
+    echo 'elseif body';
 } else {
-    // else body;
+    echo 'else body';
 }
 
 // if with a negation
 if (!$expr1) {
     // if  body
+    echo 'negative if body';
 }
 
 // if with an operand
 if ($expr1 && $expr2) {
-    // if body
+    echo 'if body';
 } else {
-    // else body;
+    echo 'else body';
 }
 
 // if with long expression
-if ($expr1 &&
-    $expr2 &&
-    $expr3 &&
-    $expr4 &&) {
-    // if  body
+if ($expr1
+    && $expr2
+    && $expr3
+    && $expr4) {
+    echo 'if body';
 }
 
 // switch statement
@@ -49,19 +50,22 @@
 
 // for loop
 for ($i = 0; $i < 10; $i++) {
-    // for body
+    echo 'for body ' . $i;
 }
 
 // foreach loop
 foreach ($iterable as $key => $value) {
-    // foreach body
+    echo 'foreach body';
 }
 
 // try - catch
 try {
-    // try body
+    echo 'try body';
 } catch (FirstExceptionType $e) {
-    // catch body
+    echo 'catch body';
 } catch (OtherExceptionType $e) {
-    // catch body
+    echo 'other catch body';
 }
+
+// casting
+$int = (int) $string;
diff --git a/phpcs.xml b/phpcs.xml
new file mode 100644
index 0000000..8b32171
--- /dev/null
+++ b/phpcs.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<ruleset name="graze/standards">
+    <description>The graze PHP coding standard as defined in graze/standards.</description>
+    <rule ref="PHP/CodeSniffer/Graze/ruleset.xml" />
+
+    <rule ref="Squiz.Commenting.FunctionComment">
+        <exclude name="Squiz.Commenting.FunctionComment.ScalarTypeHintMissing" />
+    </rule>
+</ruleset>