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<?php namespace RN\Pitt { class Amt {} } namespace { $obj = new RN\Pitt\Amt; var_dump($obj); $sub = 'Pitt'; $class = 'Amt'; $name = "\\RN\\$sub\\$class"; var_dump(class_exists($name)); var_dump($name); $obj = new $class(); var_dump($obj); }

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