Reaching PHPStan level 3

Author: moufmouf

phpstan.neon

@@ -1,5 +1,5 @@
 parameters:
-    level: 2
+    level: 3
     inferPrivatePropertyTypeFromConstructor: true
     ignoreErrors:
         - "#Mouf\\\\MoufManager#"

src/Mouf/Database/QueryWriter/QueryResult.php

@@ -133,9 +133,9 @@ public function sort($key, $direction = SortableInterface::ASC)
      *
      * @param string $key
      *
-     * @return NodeInterface
+     * @return NodeInterface|null
      */
-    private function findColumnByKey($key)
+    private function findColumnByKey($key): ?NodeInterface
     {
         $columns = $this->select->getColumns();
         foreach ($columns as $column) {
@@ -152,6 +152,6 @@ private function findColumnByKey($key)
             }
         }
 
-        return;
+        return null;
     }
 }

src/SQLParser/Node/LimitNode.php

@@ -98,7 +98,7 @@ public function toSql(array $parameters, AbstractPlatform $platform, $indent = 0
         }
 
         if (is_numeric($this->value)) {
-            return (int) $this->value;
+            return (string) ((int) $this->value);
         } elseif (empty($this->value)) {
             return null;
         } else {