(PHP 4 >= 4.0.6, PHP 5, PHP 7)
Convert character code in variable(s)
string mb_convert_variables ( string $to_encoding, mixed $from_encoding, mixed &$vars [, mixed &$... ] )
Converts character encoding of variables vars in encoding from_encoding to encoding to_encoding.
mb_convert_variables() join strings in Array or Object to detect encoding, since encoding detection tends to fail for short strings. Therefore,