[5.3] return null if an empty key was passed to getAttribute (#15874)

* return null if an empty key was passed to getAttribute * fix code style
laravel · Oct 12, 2016 · cd3e3cd · cd3e3cd
1 parent 394ec05
commit cd3e3cd
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/Illuminate/Database/Eloquent/Model.php b/src/Illuminate/Database/Eloquent/Model.php
@@ -2596,6 +2596,10 @@ protected function getArrayableItems(array $values)
      */
     public function getAttribute($key)
     {
+        if (! $key) {
+            return;
+        }
+
         if (array_key_exists($key, $this->attributes) || $this->hasGetMutator($key)) {
             return $this->getAttributeValue($key);
         }