The following is an html graph generator which I developed a while back and have made very good use of in several projects.. *update* - fixed the test array so it does not
stretch the page out.
This piece of code demostrates the use of phplot (see Code Gallery entry) to create inline superimposed graphs from large arrays of data. To facilitate this, random image
files are generated in a temporary directory on the server, which are then displayed inline. When the temporary dir becomes too large, its contents are purged recursively.
I guess you already had the Idea of this class. It create a Dynamic Bar Chart of your Dynamic Report, This class can be used for Finance Report, Site Log Report, or any other
application that need Bar Chart Auto Generation
Graph drawing class. Can draw any combination of line, point, bar, or area graphs. Also supports GIF and PNG, legends, negative values, stacked/overlapping bars, numeric
x-axis, brushed lines with custom brushes.
Graphite is a php graphing class which supports multiple data plots with bars, lines, or areas on a single graph. Negitive values are also supported. Check out examples
here