diff --git a/.php-cs-fixer.php b/.php-cs-fixer.php
new file mode 100644
index 0000000..1344ecb
--- /dev/null
+++ b/.php-cs-fixer.php
@@ -0,0 +1,11 @@
+<?php
+
+$finder = PhpCsFixer\Finder::create()
+    ->exclude('vendor')
+    ->in(__DIR__);
+
+$config = new PhpCsFixer\Config();
+return $config->setRules([
+        '@PSR12' => true,
+    ])
+    ->setFinder($finder);
diff --git a/composer.json b/composer.json
index 039cdc6..9cad152 100644
--- a/composer.json
+++ b/composer.json
@@ -9,9 +9,9 @@
         "laravel/framework": "^8.0|^9.0|^10.0"
     },
     "require-dev": {
-        "nunomaduro/larastan": "^1.0",
-        "laravel/pint": "^1.0",
-        "orchestra/testbench": "^7.6"
+        "phpstan/phpstan": "^1.10",
+        "friendsofphp/php-cs-fixer": "^3.26",
+        "squizlabs/php_codesniffer": "^3.7"
     },
     "autoload": {
         "psr-4": {"AnourValar\\EloquentValidation\\": "src/"}
diff --git a/phpcs.xml b/phpcs.xml
new file mode 100644
index 0000000..f7ab15d
--- /dev/null
+++ b/phpcs.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0"?>
+<!-- @see https://pear.php.net/manual/en/package.php.php-codesniffer.annotated-ruleset.php -->
+<ruleset name="PHPCS Rules">
+
+    <description>PHPCS ruleset</description>
+
+    <file>src</file>
+
+    <!-- Show progress of the run -->
+    <arg value= "p"/>
+
+    <!-- Show sniff codes in all reports -->
+    <arg value= "s"/>
+
+    <!-- Our base rule: set to PSR12 -->
+    <rule ref="PSR12">
+        <exclude name="PSR12.Operators.OperatorSpacing.NoSpaceBefore"/>
+        <exclude name="PSR12.Operators.OperatorSpacing.NoSpaceAfter"/>
+        <exclude name="PSR12.Traits.UseDeclaration.MultipleImport"/>
+        <exclude name="Generic.Files.LineLength.TooLong"/>
+        <exclude name="PSR2.Methods.FunctionClosingBrace.SpacingBeforeClose"/>
+        <exclude name="PSR12.Classes.OpeningBraceSpace.Found"/>
+        <exclude name="Squiz.WhiteSpace.ControlStructureSpacing.SpacingAfterOpen"/>
+        <exclude name="Squiz.WhiteSpace.ControlStructureSpacing.SpacingBeforeClose"/>
+    </rule>
+
+    <rule ref="PSR1.Methods.CamelCapsMethodName.NotCamelCaps">
+        <exclude-pattern>tests/</exclude-pattern>
+    </rule>
+
+    <rule ref="Internal.NoCodeFound">
+        <exclude-pattern>tests/</exclude-pattern>
+    </rule>
+
+</ruleset>
diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 0000000..cc3f270
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,26 @@
+parameters:
+
+    paths:
+        - src
+
+    # The level 9 is the highest level
+    level: 5
+
+    ignoreErrors:
+        - '#Unsafe usage of new static\(\)#'
+        - '#Right side of \&\& is always false#'
+        - '#Call to static method#'
+        - '#Call to an undefined method#'
+
+    excludePaths:
+
+    checkFunctionNameCase: true
+    checkInternalClassCaseSensitivity: true
+    checkAlwaysTrueInstanceof: true
+    reportMaybesInMethodSignatures: true
+    reportStaticMethodSignatures: true
+    checkUninitializedProperties: true
+    checkDynamicProperties: true
+    reportAlwaysTrueInLastCondition: true
+    reportWrongPhpDocTypeInVarTag: true
+    checkMissingCallableSignature: true
diff --git a/src/Console/Commands/ModelValidateCommand.php b/src/Console/Commands/ModelValidateCommand.php
index 075bf12..ab6dd0c 100644
--- a/src/Console/Commands/ModelValidateCommand.php
+++ b/src/Console/Commands/ModelValidateCommand.php
@@ -46,7 +46,7 @@ public function handle()
             $bar->setMessage($model);
 
             if (! $this->option('ignore-configuration')) {
-                $this->checkConfiguration(new $model);
+                $this->checkConfiguration(new $model());
             }
 
             foreach ($model::all() as $item) {
@@ -126,7 +126,7 @@ protected function validate(\Illuminate\Database\Eloquent\Model $model): void
         try {
             $model->validate();
         } catch (\Illuminate\Validation\ValidationException $e) {
-            dump( $e->validator->errors()->all(), $e->validator->getData() );
+            dump($e->validator->errors()->all(), $e->validator->getData());
             throw $e;
         }
     }
@@ -163,18 +163,18 @@ protected function checkConfiguration(\Illuminate\Database\Eloquent\Model $model
 
             if ($name == 'unique') {
 
-                    $flat = [];
-                    foreach ($value as &$batch) {
-                        sort($batch);
-                        $flat = array_merge($flat, $batch);
-                    }
-                    unset($batch);
+                $flat = [];
+                foreach ($value as &$batch) {
+                    sort($batch);
+                    $flat = array_merge($flat, $batch);
+                }
+                unset($batch);
 
-                    if (count($value) != count(array_unique($value, SORT_REGULAR))) {
-                        throw new \LogicException("[$modelName] Duplicates for \"$name\"");
-                    }
+                if (count($value) != count(array_unique($value, SORT_REGULAR))) {
+                    throw new \LogicException("[$modelName] Duplicates for \"$name\"");
+                }
 
-                    $collection = array_merge($collection, $flat);
+                $collection = array_merge($collection, $flat);
 
             } elseif ($name == 'attribute_names') {
 
diff --git a/src/CrudService.php b/src/CrudService.php
index c326935..6a2ce17 100644
--- a/src/CrudService.php
+++ b/src/CrudService.php
@@ -54,7 +54,7 @@ public function execute(
                 }
 
                 $counters['created'] += $model->create($query)->exists ? 1 : 0;
-            }  elseif (! empty($query['_delete'])) {
+            } elseif (! empty($query['_delete'])) {
                 // DELETE
                 $curr = null;
                 if (is_numeric($id)) {
diff --git a/src/ModelTrait.php b/src/ModelTrait.php
index 6bafa99..6ba5c99 100644
--- a/src/ModelTrait.php
+++ b/src/ModelTrait.php
@@ -463,7 +463,7 @@ public function getAttributeNames(): array
      */
     public function getComputed()
     {
-        return ( $this->computed ?? null );
+        return ($this->computed ?? null);
     }
 
     /**
@@ -473,7 +473,7 @@ public function getComputed()
      */
     public function getUnchangeable()
     {
-        return ( $this->unchangeable ?? null );
+        return ($this->unchangeable ?? null);
     }
 
     /**
@@ -483,7 +483,7 @@ public function getUnchangeable()
      */
     public function getUnique()
     {
-        return ( $this->unique ?? null );
+        return ($this->unique ?? null);
     }
 
     /**
@@ -493,7 +493,7 @@ public function getUnique()
      */
     public function getJsonNested()
     {
-        return ( $this->jsonNested ?? null );
+        return ($this->jsonNested ?? null);
     }
 
     /**
@@ -539,7 +539,7 @@ protected function handleUnique(
         $newAttributes = $this->attributes;
 
         foreach ($uniques as $unique) {
-            $builder = new $this;
+            $builder = new $this();
 
             if (! $this->isDirty($unique) && $this->exists) {
                 continue;
diff --git a/src/Providers/EloquentValidationServiceProvider.php b/src/Providers/EloquentValidationServiceProvider.php
index 60d597d..8bc5f77 100644
--- a/src/Providers/EloquentValidationServiceProvider.php
+++ b/src/Providers/EloquentValidationServiceProvider.php
@@ -51,7 +51,7 @@ public function boot()
     private function addScalarRule(): void
     {
         \Validator::extend('scalar', function ($attribute, $value, $parameters, $validator) {
-            return ( is_scalar($value) || is_null($value) || (is_object($value) && method_exists($value, '__toString')) );
+            return (is_scalar($value) || is_null($value) || (is_object($value) && method_exists($value, '__toString')));
         });
 
         \Validator::replacer('scalar', function ($message, $attribute, $rule, $parameters, $validator) {
@@ -120,7 +120,7 @@ private function addArrayKeysRule(): void
             }
             $parameters = array_unique($parameters);
 
-            return ( is_array($value) && ! array_diff_key($value, array_combine($parameters, $parameters)) );
+            return (is_array($value) && ! array_diff_key($value, array_combine($parameters, $parameters)));
         });
 
         \Validator::replacer('array_keys', function ($message, $attribute, $rule, $parameters, $validator) {
@@ -137,7 +137,7 @@ private function addArrayKeysRule(): void
     private function addArrayKeysOnlyRule(): void
     {
         \Validator::extend('array_keys_only', function ($attribute, $value, $parameters, $validator) {
-            return ( is_array($value) && ! array_diff_key($value, array_combine($parameters, $parameters)) );
+            return (is_array($value) && ! array_diff_key($value, array_combine($parameters, $parameters)));
         });
 
         \Validator::replacer('array_keys_only', function ($message, $attribute, $rule, $parameters, $validator) {
diff --git a/src/ValidatorHelper.php b/src/ValidatorHelper.php
index 6c87a9f..230a4fc 100644
--- a/src/ValidatorHelper.php
+++ b/src/ValidatorHelper.php
@@ -88,7 +88,7 @@ public function mutateArray(
                     }
                 }
 
-                if ($parentKeys && ( (is_string($item) && trim($item) === '') || $item === [] )) {
+                if ($parentKeys && ((is_string($item) && trim($item) === '') || $item === [])) {
                     foreach ((array) $nullable as $nullableKey) {
                         if (! $this->isMatching($nullableKey, $path)) {
                             continue;
@@ -130,7 +130,7 @@ public function mutateArray(
                                 continue;
                             }
 
-                             if (in_array($cast, ['bool']) && ! in_array($item, [true, false, 0, 1, '0', '1', '', null], true)) {
+                            if (in_array($cast, ['bool']) && ! in_array($item, [true, false, 0, 1, '0', '1', '', null], true)) {
                                 continue;
                             }