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<?php class P { static $a=9; function __get($var) { return self::$var; } function __isset() { } } var_dump(isset(P::$az));
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.22
Fatal error: Method P::__isset() must take exactly 1 argument in /in/92Um3 on line 16
Process exited with code 255.

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