
Rule explicit_indirect_variable
ΒΆ
Add curly braces to indirect variables to make them clear to understand. Requires PHP >= 7.0.
ExamplesΒΆ
Example #1ΒΆ
--- Original
+++ New
<?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 setsΒΆ
The rule is part of the following rule set:
Source classΒΆ
PhpCsFixer\Fixer\LanguageConstruct\ExplicitIndirectVariableFixer