fixed: issue-49

Author: Mehedi Hasan Nahid

src/JsonQueriable.php

@@ -193,21 +193,21 @@ protected function isMultiArray($arr)
      *
      * @param string $value
      * @param bool $isReturnMap
-     * 
+     *
      * @return bool|array
      */
     public function isJson($value, $isReturnMap = false)
     {
         if (is_array($value) || is_object($value)) {
             return false;
         }
-        
+
         $data = json_decode($value, true);
 
         if (json_last_error() !== JSON_ERROR_NONE) {
             return false;
         }
-        
+
         return $isReturnMap ? $data : true;
     }
 
@@ -300,11 +300,11 @@ protected function getDataFromFile($file, $type = 'application/json')
             $context = stream_context_create($opts);
             $data = file_get_contents($file, 0, $context);
             $json = $this->isJson($data, true);
-            
+
             if (!$json) {
                 throw new InvalidJsonException();
             }
-            
+
             return $json;
         }
 
@@ -331,6 +331,8 @@ protected function getFromNested($map, $node)
             $path = explode('.', $node);
 
             foreach ($path as $val) {
+                if (!is_array($map)) return $map;
+
                 if (!array_key_exists($val, $map)) {
                     $terminate = true;
                     break;
@@ -379,10 +381,10 @@ protected function processConditions()
                         if (!method_exists(Condition::class, $function)) {
                             throw new ConditionNotAllowedException("Exception: $function condition not allowed");
                         }
-                        
+
                         $function = [Condition::class, $function];
                     }
-                    
+
                     $value = $this->getFromNested($val, $rule['key']);
                     $return = $value instanceof ValueNotFound ? false :  call_user_func_array($function, [$value, $rule['value']]);
                     $tmp &= $return;