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<?php error_reporting(E_ALL); class Group { private $number = 20; public function __toString() { return "$this->number"; } } $number = new Group(); echo ++ $number, PHP_EOL; $number = 20; echo ++ $number, PHP_EOL; // var_dump(new Group() === "20"); ?>

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33.46 ms | 402 KiB | 5 Q