Rule ``explicit_indirect_variable``
Add curly braces to indirect variables to make them clear to understand. Requires PHP >= 7.0.
Examples
Example #1 ~~~~~~~~~~
.. code-block:: diff
--- Original +++ New @@ -1,5 +1,5 @@ <?php -echo $$foo; -echo $$foo['bar']; -echo $foo->$bar['baz']; -echo $foo->$callback($baz); +echo ${$foo}; +echo ${$foo}['bar']; +echo $foo->{$bar}['baz']; +echo $foo->{$callback}($baz);
Rule sets
The rule is part of the following rule set
@PhpCsFixer Using the `@PhpCsFixer <./../../ruleSets/PhpCsFixer.rst>`_ rule set will enable the ``explicit_indirect_variable`` rule.