Variable scope

Variables may be declared in a number of different scopes. The scopes are as follows:

• Local
• Global
• Private
• Script
• A numeric scope relative to the current scope

More about scopes

The help document, about_scopes (Get-Help about_scopes), contains further examples and details.

By default, variables are placed in local scope. Access to variables is hierarchical: a child (scopes created beneath a parent) can access variables created by the parent (or ancestors). Variables created in a child scope cannot be accessed from a parent scope.

Local and global scope

When creating a variable in the console (outside of functions or script blocks), the local scope is global. The global scope can be accessed from inside a function...