php - Domdocument encoding -

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the question domdocument encoding, when open html string contain utf-8 contents, loadhtml method , changes , when want save , variable savehtml , put database, characters changed : 

روش را امتحا&#1606

and can't read it. characters , suggestion prevent change ?

it appears not parsing html properly. read more info http://php.net/manual/en/class.domdocument.php


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