phpstan to level 6

phpstan.neon

@@ -1,9 +1,8 @@
 includes:
 	- phpstan-baseline.neon
 parameters:
-    level: 1
+    level: 6
     paths:
         - src
-        - tests
     bootstrapFiles:
         - stan_autoload.php

src/QueryBuilder.php

@@ -16,12 +16,13 @@ class QueryBuilder extends \soluto\plugin\Widget {
     public $pluginName = 'queryBuilder';
 
     /**
+     * @return string[]
      * @inheritdoc
      */
-    protected function assets()
+    protected function assets() : array
     {
         return [
-            QueryBuilderAsset::className()
+            QueryBuilderAsset::class
         ];
     }
 

src/QueryBuilderAsset.php

@@ -13,14 +13,23 @@ class QueryBuilderAsset extends AssetBundle {
 
     public $sourcePath = '@bower/jquery-querybuilder/dist';
 
+    /**
+     * @var string[]
+     */
     public $js = [
         'js/query-builder.standalone.js',
     ];
 
+    /**
+     * @var string[]
+     */
     public $css = [
         'css/query-builder.default.css',
     ];
 
+    /**
+     * @var string[]
+     */
     public $depends = [
         'yii\web\JqueryAsset'
     ];

src/QueryBuilderForm.php

@@ -44,10 +44,10 @@
 class QueryBuilderForm extends Widget
 {
     /**
-     * @param array|string $action the form action URL. This parameter will be processed by [[\yii\helpers\Url::to()]].
+     * @var array<mixed>|string $action the form action URL. This parameter will be processed by [[\yii\helpers\Url::to()]].
      * @see method for specifying the HTTP method for this form.
      */
-    public $action = [''];
+    public array|string $action = [''];
 
     /**
      * @var string the form submission method. This should be either 'post' or 'get'. Defaults to 'get'.
@@ -59,7 +59,7 @@ class QueryBuilderForm extends Widget
     public $method = 'get';
 
     /**
-     * @var array the HTML attributes (name-value pairs) for the form tag.
+     * @var array<mixed> the HTML attributes (name-value pairs) for the form tag.
      * @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered.
      */
     public $options = [];
@@ -70,7 +70,7 @@ class QueryBuilderForm extends Widget
     public $rulesParam = 'rules';
 
     /**
-     * @var array|QueryBuilder QueryBuilder column configuration.
+     * @var array<mixed>|QueryBuilder QueryBuilder column configuration.
      * For example,
      *
      * ```php
@@ -96,7 +96,7 @@ class QueryBuilderForm extends Widget
     /**
      * @inheritdoc
      */
-    public function init()
+    public function init() : void
     {
         if (is_array($this->builder)) {
             $this->builder = Yii::createObject(array_merge([

src/Translator.php

@@ -37,19 +37,24 @@
  */
 class Translator extends BaseObject
 {
-    private $_where;
-    private $_params = [];
-    private $_operators;
+    private string $_where;
+
+    /** @var array<string, mixed> */
+    private array $_params = [];
+
+    /** @var array<string, mixed> */
+    private array $_operators;
+
     /**
-     * @var array The params from yii\db\Query object that are already set so we don't overwrite them
+     * @var array<string, mixed> The params from yii\db\Query object that are already set so we don't overwrite them
      * @deprecated
      */
-    private $currentParams = [];
+    private array $currentParams = [];
 
     /**
      * Constructors.
-     * @param array $data Rules configuraion
-     * @param array $config the configuration array to be applied to this object.
+     * @param array<mixed> $data Rules configuraion
+     * @param array<string, mixed> $config the configuration array to be applied to this object.
      */
     public function __construct($data, $config = [])
     {
@@ -64,7 +69,7 @@ public function __construct($data, $config = [])
     /**
      * @inheritdoc
      */
-    public function init()
+    public function init() : void
     {
         $this->_operators = [
             'equal' =>            '= ?',
@@ -94,8 +99,8 @@ public function init()
     /**
      * Encodes filter rule into SQL condition
      * @param string $field field name
-     * @param string|array $type operator type
-     * @param string|array $params query parameters
+     * @param string|array<mixed> $type operator type
+     * @param string|array<string, mixed> $params query parameters
      * @return string encoded rule
      */
     protected function encodeRule($field, $type, $params)
@@ -124,7 +129,7 @@ protected function encodeRule($field, $type, $params)
     }
 
     /**
-     * @param array $data rules configuration
+     * @param array<mixed> $data rules configuration
      * @return string the WHERE clause
      */
     protected function buildWhere($data)
@@ -172,7 +177,7 @@ public function where()
 
     /**
      * Returns the parameters to be bound to the query.
-     * @return array
+     * @return array<string,mixed>
      */
     public function params()
     {
@@ -190,10 +195,10 @@ private function getNewParamName(){
 
     /**
      *
-     * @param array $currentParams
+     * @param array<string, mixed> $currentParams
      * @deprecated
      */
-    public function setCurrentParams($currentParams) {
+    public function setCurrentParams($currentParams) : void {
         $this->currentParams = $currentParams;
     }
 

src/Validation.php

@@ -4,6 +4,7 @@
 
 
 use yii\base\BaseObject;
+use yii\web\JsExpression;
 
 /**
  * The validation object representation
@@ -43,7 +44,7 @@ class Validation extends BaseObject
     public $step;
 
     /**
-     * @var yii\web\JsExpression A function used to perform the validation.
+     * @var JsExpression A function used to perform the validation.
      * If provided, the default validation will not be performed. It must returns true if the value is valid
      * or an error string otherwise. It takes 4 parameters:
      * value