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<?php class Person { public $name; public function __wakeup() { if( property_exists( $this, 'n1ame' ) ) { throw new Exception('oh no this data is bad'); } } } try { unserialize('O:6:"Person":1:{s:5:"n1ame";s:4:"mark";}'); } catch( Exception $e ) { echo 'nope cant unserialize it: ' . $e->getMessage(); }
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Deprecated: Creation of dynamic property Person::$n1ame is deprecated in /in/h8pss on line 17 nope cant unserialize it: oh no this data is bad
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33
nope cant unserialize it: oh no this data is bad

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