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<?php var_dump(isset(NULL !== A)); // Fatal error: Cannot use Isset() on the result of an expression
Output for 8.2.0 - 8.2.28, 8.3.0 - 8.3.22, 8.4.1 - 8.4.8
Fatal error: Cannot use isset() on the result of an expression (you can use "null !== expression" instead) in /in/Ot3sH on line 3
Process exited with code 255.
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