/** * adds feature points to a line chart * @param float $x x value * @param float $y y value * @param int $ds current dataset * @param int $i current data * @param string $cap caption */ private function featPoint($x, $y, $ds, $i) { if (!isset($this->fps)) { return false; } if (!isset($this->fps[$ds][$i])) { return false; } parent::imgEllipseFilled($x, $y, 4, 4, $this->fps[$ds][$i][1]); parent::imgString(1, $x + 5, $y, $this->fps[$ds][$i][0], $this->fps[$ds][$i][1]); }