public function __construct($width, $height, $output_file = null) 
	public function createGraph() 
	public function addData($data, $data2 = '', $data3 = '', $data4 = '', $data5 = '') 
	public function setupXAxis($percent = '', $color = '') 
	public function setupYAxis($percent = '', $color = '') 
	public function setRange($min, $max) 
	public function setTitle($title) 
	public function setTitleLocation($location) 
	public function setBars($bool) 
	public function setGrid($bool) 
	public function setXValues($bool) 
	public function setYValues($bool) 
	public function setXValuesHorizontal($bool) 
	public function setXValuesVertical($bool) 
	public function setXValuesInterval($value)
	public function setBarOutline($bool) 
	public function setDataPoints($bool) 
	public function setDataPointSize($size) 
	public function setDataValues($bool) 
	public function setDataCurrency($currency_type = 'dollar')
	public function setDataFormat($format)
	public function setLine($bool)
	public function setGoalLine($yValue, $color = null, $style = 'solid')
	public function setBackgroundColor($color) 
	public function setTitleColor($color)
	public function setTextColor($color)
	public function setXAxisTextColor($color) 
	public function setYAxisTextColor($color) 
	public function setBarColor($color1, $color2 = '', $color3 = '', $color4 = '', $color5 = '')
	public function setGridColor($color)
	public function setBarOutlineColor($color)
	public function setDataPointColor($color)
	public function setDataValueColor($color)
	public function setLineColor($color1, $color2 = '', $color3 = '', $color4 = '', $color5 = '')
	public function setGoalLineColor($color) {
	public function setGradient($color1, $color2, $color3 = '', $color4 = '', $color5 = '', $color6 = '', $color7 = '', $color8 = '', $color9 = '', $color10 = '') 
	public function setLegend($bool)
	public function setLegendColor($color) 
	public function setLegendTextColor($color) 
	public function setLegendOutlineColor($color) 
	public function setSwatchOutlineColor($color)
	public function setLegendTitle($title1, $title2 = '', $title3 = '', $title4 = '', $title5 = '')
	public function setIgnoreDataFitErrors($bool)