refactor code

Author: nahid

helpers/presento.php

@@ -48,4 +48,21 @@ function get_from_array(array $map, string $node)
         return null;
     }
 
+}
+
+if (!function_exists('is_collection')) {
+    /**
+     * Check given value is multidimensional array
+     *
+     * @param array $arr
+     * @return bool
+     */
+    function is_collection(array $arr) : bool
+    {
+        if (!is_array($arr)) {
+            return false;
+        }
+
+        return isset($arr[0]) && is_array($arr[0]);
+    }
 }

src/Presenter.php

@@ -43,7 +43,7 @@ public function transformer()
      */
     public function handle() : array
     {
-        if ($this->isCollection($this->data)) {
+        if (is_collection($this->data)) {
             $generatedData = [];
             foreach ($this->data  as $property => $data) {
                 $generatedData[$property] = $this->transform($this->process($data));
@@ -124,19 +124,4 @@ public function get() : array
     {
         return $this->generatedData;
     }
-
-    /**
-     * Check given value is multidimensional array
-     *
-     * @param array $arr
-     * @return bool
-     */
-    protected function isCollection(array $arr) : bool
-    {
-        if (!is_array($arr)) {
-            return false;
-        }
-
-        return isset($arr[0]) && is_array($arr[0]);
-    }
 }