An important benefit of using PEAR is code reuse. However, when you re-use code from a package system, there will be dependencies between packages. These dependencies need to be expressed in the package description to inform users about them.
12.8.1. Element: <deps>
|May occur in:||release (optional)|
This element is a container for the <dep> element.
12.8.2. Element: <dep>
type (required)rel (optional)
|May occur in:||deps (required)|
The dep element describes a single dependency.
18.104.22.168. name Attribute
This is the target of the dependency. For pkg dependencies, the name attribute contains the package name; for ext dependencies, it contains the extension ...