How can i get SkinData from any username on Database?

I want to get the SkinData from a user and set to a fake player but this code doens't work bacause of a string:
[nome] is the name of the player on database.

PHP:

    public function getTop1Abates(){
        $result = $this->provider->db->query("SELECT * FROM `sw_perfil` ORDER BY `vitimas` DESC ");
        return $result;
    }


PHP:

$rank1 = $this->getTop1Abates();
$top1 = $rank1['nome'];
$ola = $top1->getSkinData();
$nome = base64_encode($ola);
$skinPk->skin = new Skin("Standard_Custom", base64_decode($nome));


 

$top1 is a string most likely, so $top1->getSkinData() is not a valid function