private function _buildSet($data)
    {
        $columns = [];

        foreach($data as $key=>$value)
            $columns[] = sprintf('`%s`=?',$key);

        return implode(', ', $columns);
    }
private function _buildSet($data)
    {
        $columns = [];

        foreach($data as $key=>$value)
            $columns[] = sprintf('`%s`=?',$key);

        return implode(', ', $columns);
    }
private function _buildSet ( $ data ) { $ columns = [ ] ; foreach ( $ data as $ key => $ value ) $ columns [ ] = sprintf ( '`%s`=?' , $ key ) ; return implode ( ', ' , $ columns ) ; }
Builds a series of X=?, Y=?, Z=?
Builds a series of X = ? Y = ? Z = ?