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PHPGraphLibStacked is an extension of the original PHPGraphLib that allows you to make stacked bar chars using the existing PHPGraphLib framework.
Below is the default form of the constructor:
PHPGraphLibStacked object constructor. $width and $height arguments are optional. Default width=400, height=300.
As with PHPGraphLib, addData() and createGraph() are also required functions.
PHPGraphLibStacked inherits most of the same functions as PHPGraphLib, so you can reference the regular PHPGraphLib Function Reference when building a PHPGraphLibStacked graph. A few functions are not usable with PHPGraphLibStacked. Most notably you cannot make a line graph or display data points. Below is a list of functions not usable with PHPGraphLibStacked.