An attribute exchange 'fetch_request' message. This message is sent by a relying party when it wishes to obtain attributes about the subject of an OpenID authentication request.
Given a namespace mapping and a string containing a comma-separated list of namespace aliases, return a list of type URIs that correspond to those aliases.
Parameters:
$namespace_map
$namespace_map:
The mapping from namespace URI to alias
$alias_list_s
$alias_list_s:
The string containing the comma-separated list of aliases. May also be None for convenience.
API Tags:
Return:
The list of namespace URIs that corresponds to the supplied list of aliases. If the string was zero-length or None, an empty list will be returned.
return null If an alias is present in the list of aliases but is not present in the namespace map.