Merge pull request chriskacerguis#134 from kwoodfriend/csv-fix

to_csv() fix for non multi-dimensional arrays

Author: Phil Sturgeon

application/libraries/Format.php

@@ -185,7 +185,7 @@ public function to_csv()
 		$data = $this->_data;
 
 		// Multi-dimensional array
-		if (isset($data[0]))
+		if (isset($data[0]) && is_array($data[0]))
 		{
 			$headings = array_keys($data[0]);
 		}

application/libraries/REST_Controller.php

@@ -313,7 +313,20 @@ public function _remap($object_called, $arguments)
 		}
 
 		// And...... GO!
-		call_user_func_array(array($this, $controller_method), $arguments);
+		$this->_fire_method(array($this, $controller_method), $arguments);
+	}
+
+	/**
+	 * Fire Method
+	 *
+	 * Fires the designated controller method with the given arguments.
+	 *
+	 * @param array $method The controller method to fire
+	 * @param array $args The arguments to pass to the controller method
+	 */
+	protected function _fire_method($method, $args)
+	{
+		call_user_func_array($method, $args);
 	}
 
 	/**