public function next() {
		if($this->query === null)
			$this->query();
		return $this->current = $this->query->next();
	}
public function next() {
		if($this->query === null)
			$this->query();
		return $this->current = $this->query->next();
	}
public function next ( ) { if ( $ this -> query === null ) $ this -> query ( ) ; return $ this -> current = $ this -> query -> next ( ) ; }
Return the next row.
@return array
@api
Return the next row .