The ``core`` extension defines all the core features of Twig:
-* Tags:
-
- * ``for``
- * ``if``
- * ``extends``
- * ``include``
- * ``block``
- * ``filter``
- * ``macro``
- * ``import``
- * ``from``
- * ``set``
- * ``spaceless``
- * ``autoescape``
- * ``do``
- * ``embed``
- * ``flush``
- * ``verbatim``
- * ``sandbox``
- * ``use``
-
-* Filters:
-
- * ``date``
- * ``format``
- * ``replace``
- * ``url_encode``
- * ``json_encode``
- * ``title``
- * ``capitalize``
- * ``upper``
- * ``lower``
- * ``striptags``
- * ``join``
- * ``reverse``
- * ``length``
- * ``sort``
- * ``merge``
- * ``default``
- * ``keys``
- * ``escape``
- * ``e``
- * ``abs``
- * ``convert_encoding``
- * ``date_modify``
- * ``nl2br``
- * ``number_format``
- * ``raw``
- * ``slice``
- * ``trim``
-
-* Functions:
-
- * ``range``
- * ``constant``
- * ``cycle``
- * ``parent``
- * ``block``
- * ``attribute``
- * ``date``
- * ``dump``
- * ``random``
- * ``include``
-
-* Tests:
-
- * ``even``
- * ``odd``
- * ``defined``
- * ``sameas``
- * ``null``
- * ``divisibleby``
- * ``constant``
- * ``empty``
- * ``iterable``
+* :doc:`Tags <tags/index>`;
+* :doc:`Filters <filters/index>`;
+* :doc:`Functions <functions/index>`;
+* :doc:`Tests <tests/index>`.
Escaper Extension
~~~~~~~~~~~~~~~~~