lint: cs fix

Author: adhocore

src/UnderscoreArray.php

@@ -116,7 +116,7 @@ public function unique($fn = null)
             return new static(\array_unique($this->data));
         }
 
-        $ids = $data = [];
+        $ids = [];
         $fn  = $this->valueFn($fn);
 
         return $this->filter(function ($value, $index) use ($fn, &$ids) {
@@ -179,7 +179,7 @@ public function intersection($data)
     {
         $data = $this->asArray($data);
 
-        return $this->filter(function ($value, $index) use ($data) {
+        return $this->filter(function ($value) use ($data) {
             return \in_array($value, $data);
         });
     }

src/UnderscoreCollection.php

@@ -294,13 +294,13 @@ public function findWhere(array $props)
     }
 
     /**
-     * Props matcher used by where() and findWhere().
+     * Gives props matcher callback used by where() and findWhere().
      *
      * @internal
      *
      * @param array $props Key value pairs.
      *
-     * @return true
+     * @return callable
      */
     protected function matcher(array $props)
     {