domain                  Get or set a URL's domain
fragment                Get or set a URL's fragment
host_extract            Extract hosts
param_get               get the values of a URL's parameters
param_remove            Remove key-value pairs from query strings
param_set               Set the value associated with a parameter in a
                        URL's query.
parameters              Get or set a URL's parameters
path                    Get or set a URL's path
port                    Get or set a URL's port
puny_encode             Encode or Decode Internationalised Domains
scheme                  Get or set a URL's scheme
strip_credentials       Get or remove user authentication credentials
suffix_dataset          Dataset of public suffixes
suffix_extract          extract the suffix from domain names
suffix_refresh          Retrieve a public suffix dataset
tld_dataset             Dataset of top-level domains (TLDs)
tld_extract             Extract TLDs
tld_refresh             Retrieve a TLD dataset
url_compose             Recompose Parsed URLs
url_decode              Encode or decode a URI
url_parse               split URLs into their component parts
urltools                Tools for handling URLs