WS Charts is a PHP class that can be used to render charts of several types. It takes a list of values that define points of one or more sets and renders charts of several possible types: line, bar, surface, and pie. The class provides options to choose colors, gradients, show coordinates, etc. The generated charts can be saved to a given file or displayed as the current script output.
PHPStateMapper is a PHP library for drawing a map with areas shaded by varying degrees of intensity based on data given as a simple list. It exports a PNG image in a configurable size and color. It is appropriate for generating images for use in reporting and analytics. Data can be loaded programmatically or from a comma separated values (CSV) source file.