PMA\libraries\dbi\DBIExtension::fieldName PHP Method

    public function fieldName($result, $i);

 /**
  * returns name of $i. field in $result
  *
  * @param object $result result set identifier
  * @param int    $i      field
  *
  * @return string name of $i. field in $result
  */
 public function fieldName($result, $i)
 {
     return $this->_extension->fieldName($result, $i);
 }