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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:

• @PHP80Migration

• @PHP81Migration

• @PHP82Migration

• @PHP83Migration

• @PhpCsFixer

• @Symfony

Source class

PhpCsFixer\Fixer\CastNotation\NoUnsetCastFixer