doc/rules/basic/no_trailing_comma_in_singleline.rst
no_trailing_comma_in_singlelineIf a list of values separated by a comma is contained on a single line, then the last item MUST NOT have a trailing comma.
This rule is CONFIGURABLE
You can configure this rule using the following option: ``elements``.
Configuration
-------------
``elements``
~~~~~~~~~~~~
Which elements to fix.
Allowed values: a subset of ``['arguments', 'array', 'array_destructuring', 'group_import']``
Default value: ``['arguments', 'array', 'array_destructuring', 'group_import']``
Examples
--------
Example #1
~~~~~~~~~~
*Default* configuration.
.. code-block:: diff
--- Original
+++ New
<?php
-foo($a,);
-$foo = array(1,);
-[$foo, $bar,] = $array;
-use a\{ClassA, ClassB,};
+foo($a);
+$foo = array(1);
+[$foo, $bar] = $array;
+use a\{ClassA, ClassB};
Example #2
~~~~~~~~~~
With configuration: ``['elements' => ['array_destructuring']]``.
.. code-block:: diff
--- Original
+++ New
<?php
foo($a,);
-[$foo, $bar,] = $array;
+[$foo, $bar] = $array;
Rule sets
---------
The rule is part of the following rule sets:
- `@PhpCsFixer <./../../ruleSets/PhpCsFixer.rst>`_
- `@Symfony <./../../ruleSets/Symfony.rst>`_
References
----------
- Fixer class: `PhpCsFixer\\Fixer\\Basic\\NoTrailingCommaInSinglelineFixer <./../../../src/Fixer/Basic/NoTrailingCommaInSinglelineFixer.php>`_
- Test class: `PhpCsFixer\\Tests\\Fixer\\Basic\\NoTrailingCommaInSinglelineFixerTest <./../../../tests/Fixer/Basic/NoTrailingCommaInSinglelineFixerTest.php>`_
The test class defines officially supported behaviour. Each test case is a part of our backward compatibility promise.