Navigates through an array, object, or scalar, and encodes the values to be used in a URL.

Retrieves a trailing-slashed string if the site is set for adding trailing slashes.

Retrieve full list of sidebars and their widget instance IDs.

Retrieve default registered sidebars list.

Loads and caches all autoloaded options, if available or all options.

Localize a script.

Determines if Widgets library should be loaded.

Flush all output buffers for PHP 5.2.

Merges user defined arguments into defaults array.

Protects WordPress special option from being modified.