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<?php class Month extends SplEnum { const January = 1; const February = 2; const March = 3; const April = 4; const May = 5; const June = 6; const July = 7; const August = 8; const September = 9; const October = 10; const November = 11; const December = 12; } $month = new Month(Month::June); var_dump($month); $month = 'aaa'; var_dump($month);

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