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Rule ``no_whitespace_in_empty_array``
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Empty arrays should not contain only whitespace.

Examples
--------

Example #1
~~~~~~~~~~

.. code-block:: diff

   --- Original
   +++ New
    <?php

   -$foo = [
   -];
   +$foo = [];

Rule sets
---------

The rule is part of the following rule set:

- `@PhpCsFixer <./../../ruleSets/PhpCsFixer.rst>`_

References
----------

- Fixer class: `PhpCsFixer\\Fixer\\ArrayNotation\\NoWhitespaceInEmptyArrayFixer <./../../../src/Fixer/ArrayNotation/NoWhitespaceInEmptyArrayFixer.php>`_
- Test class: `PhpCsFixer\\Tests\\Fixer\\ArrayNotation\\NoWhitespaceInEmptyArrayFixerTest <./../../../tests/Fixer/ArrayNotation/NoWhitespaceInEmptyArrayFixerTest.php>`_

The test class defines officially supported behaviour. Each test case is a part of our backward compatibility promise.