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7th Gear (v3.57.2) edition

Rule no_unset_on_property

Properties should be set to null instead of using unset.


Using this rule is risky

Risky when relying on attributes to be removed using unset rather than be set to null. Changing variables to null instead of unsetting means these still show up when looping over class variables and reference properties remain unbroken. With PHP 7.4, this rule might introduce null assignments to properties whose type declaration does not allow it.


Example #1

--- Original
+++ New
+$this->a = null;

Rule sets

The rule is part of the following rule set:


The test class defines officially supported behaviour. Each test case is a part of our backward compatibility promise.