array_indentation
Each element of an array must be indented exactly once.
--- Original +++ New <?php $foo = [ - 'bar' => [ - 'baz' => true, - ], + 'bar' => [ + 'baz' => true, + ], ];
The rule is part of the following rule set:
@PhpCsFixer
PhpCsFixer\Fixer\Whitespace\ArrayIndentationFixer