checking mutable $data variable on loop (#7)

Add fix for data not being an array

Author: lerua83

lib/Data/DataTrait.php

@@ -256,7 +256,7 @@ private static function searchArray(array $args, array $data, $default = false)
         }
 
         foreach ($args as $key) {
-            if (array_key_exists($key, $data)) {
+            if ((is_array($data)) && (array_key_exists($key, $data))) {
                 $data = $data[$key];
             } else {
                 $data = $default;

tests/Data/DataTest.php

@@ -113,12 +113,12 @@ public function testGet(Data $data)
 
         // multi dimension array single value getter
         $mixResult = $data->get('testKey2', 'sub_test', 'subsubtest');
-
         $this->assertEquals('subvalue', $mixResult);
 
         // non existent keys
         $this->assertFalse($data->get('nothing'));
         $this->assertFalse($data->get('testKey2', 'nothing'));
+        $this->assertFalse($data->get('testKey2', 'test', 'nothing'));
         $this->assertFalse($data->get('testKey2', 'sub_test', 'nothing'));
         $this->assertTrue(is_array($data->get('testKey2', 'sub_test', '')));