``batch`` ========= The ``batch`` filter "batches" items by returning a list of lists with the given number of items. A second parameter can be provided and used to fill in missing items: .. code-block:: html+twig {% set items = ['a', 'b', 'c', 'd'] %} <table> {% for row in items|batch(3, 'No item') %} <tr> {% for column in row %} <td>{{ column }}</td> {% endfor %} </tr> {% endfor %} </table> The above example will be rendered as: .. code-block:: html+twig <table> <tr> <td>a</td> <td>b</td> <td>c</td> </tr> <tr> <td>d</td> <td>No item</td> <td>No item</td> </tr> </table> Arguments --------- * ``size``: The size of the batch; fractional numbers will be rounded up * ``fill``: Used to fill in missing items * ``preserve_keys``: Whether to preserve keys or not