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``number_format``
=================
The ``number_format`` filter formats numbers. It is a wrapper around PHP's
`number_format`_ function:
.. code-block:: twig
{{ 200.35|number_format }}
You can control the number of decimal places, decimal point, and thousands
separator using the additional arguments:
.. code-block:: twig
{{ 9800.333|number_format(2, '.', ',') }}
To format negative numbers or math calculation, wrap the previous statement
with parentheses (needed because of Twig's :ref:`precedence of operators
<twig-expressions>`):
.. code-block:: twig
{{ -9800.333|number_format(2, '.', ',') }} {# outputs : -9 #}
{{ (-9800.333)|number_format(2, '.', ',') }} {# outputs : -9,800.33 #}
{{ 1 + 0.2|number_format(2) }} {# outputs : 1.2 #}
{{ (1 + 0.2)|number_format(2) }} {# outputs : 1.20 #}
If no formatting options are provided then Twig will use the default formatting
options of:
* 0 decimal places.
* ``.`` as the decimal point.
* ``,`` as the thousands separator.
These defaults can be changed through the core extension::
$twig = new \Twig\Environment($loader);
$twig->getExtension(\Twig\Extension\CoreExtension::class)->setNumberFormat(3, '.', ',');
The defaults set for ``number_format`` can be over-ridden upon each call using the
additional parameters.
Arguments
---------
* ``decimal``: The number of decimal points to display
* ``decimal_point``: The character(s) to use for the decimal point
* ``thousand_sep``: The character(s) to use for the thousands separator
.. _`number_format`: https://www.php.net/number_format
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