diff --git a/src/Illuminate/Database/Eloquent/Concerns/HasAttributes.php b/src/Illuminate/Database/Eloquent/Concerns/HasAttributes.php
index eb8efe5837e8..f0ba8eabeb17 100644
--- a/src/Illuminate/Database/Eloquent/Concerns/HasAttributes.php
+++ b/src/Illuminate/Database/Eloquent/Concerns/HasAttributes.php
@@ -1138,4 +1138,15 @@ protected static function getMutatorMethods($class)
 
         return $matches[1];
     }
+    
+    /**
+     * Checks if a specific attribute exists.
+     *
+     * @param string $key
+     * @return bool
+     */
+    public function hasAttribute($key)
+    {
+        return array_key_exists($key, $this->attributesToArray());
+    }
 }