--- /dev/null
+``flush``
+=========
+
+.. versionadded:: 1.5
+ The flush tag was added in Twig 1.5.
+
+The ``flush`` tag tells Twig to flush the output buffer:
+
+.. code-block:: jinja
+
+ {% flush %}
+
+.. note::
+
+ Internally, Twig uses the PHP `flush`_ function.
+
+.. _`flush`: http://php.net/flush