pChart is a top of the line PHP charting utility which works by taking statistical data from various sources (SQL database, CSV, XML, etc.) and graphically rendering it using PHP.

Features of pChart:
- Object oriented interface
- Scaling and units
- Sandbox engine
- Multiple scales support
- Spline, cubic curves
- Functions computing
- Slope computation
- Means & deviation computing
- Native anti-aliasing
- Alpha-transparency
- Shadow support
- Axis inversion
- Dynamic data manipulation
- Line of best fit
- Standard charts
- Bars, stacked, normalized charts
- Ring charts
- 2D surface charts
- 2D and 3D pie charts
- Radars and polar charts
- Scatter charts
- Zone charts
- Area charts
- Stacked area charts
- Stock charts
- Linear bubble charts
- Legend boxes support
- Image maps support
- Thresholds
- Indicators
- Conditional formatting
- Labels support
- Draw data networks
- Barcodes extension
- Caching system
- Visual effects

Requirements:
- GD and FreeType PHP extensions

What's New in This Version:
- Updated drawPlotChart() to size the plot based on the serie weight.
- Added the drawXThreshold() function.
- Added the drawXThresholdArea() function.
- Added the AreaName param. to drawXThresholdArea() and drawThresholdArea().
- Various visual enhancements.
- Fixed a bug in the drawPlotChart() function.
- Added shadow support for the Area charts.
- Added the BorderWidth parameter to the drawBubbleChart() function.
- Added the Shape parameter to the drawBubbleChart() function.
- Added the AXIS_FORMAT_CUSTOM for user callback handling.
- Rewritten the drawStackedAreaChart() function.
- Added support for labels on stacked charts.
- Added the createFunctionSerie() function to the pData class.
- Added the drawScatterThreshold() function to the pScatter class.
- Added the drawScatterThresholdArea() function to the pScatter class.
- Added the setAbsicssaPosition() function to the pData class.
- Added the NegateValues() function to the pData class.
- Added the NoMargin parameter to the drawThresholdArea & drawThreshold fcts.