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I ate three cookies 🍪 (v3.40.2) edition

Rule no_unset_cast

Variables must be set null instead of using (unset) casting.

Examples

Example #1

--- Original
+++ New
 <?php
-$a = (unset) $b;
+$a =  null;

Rule sets

The rule is part of the following rule sets:

Source class

PhpCsFixer\Fixer\CastNotation\NoUnsetCastFixer