This section explains some PEAR concepts, namely packages, releases, and the versioning scheme.
When you want to install something from PEAR, you download and install a particular release of a package. (You learn more about releases later on.) Each package has some information associated with it:
Package name (for example, HTML_QuickForm)
Summary, description, and home page URL
One or more maintainers
Any number of releases
PEAR packages are not unlike other package formats, such as Linux's RPM, Debian packages, or the System V UNIX PKG format. One of the major differences with most of these is that PEAR packages are designed to be platform-independent, and not just within one family of operating ...