getlasthost() returns the previous user's hostname.
getlastemail() returns the previous user's e-mail address if he or she provided it.
getlastmod() returns the date and time in unix time format of the last time the page was modified. This value can be passed to the ">date() function for formatting.
getlastref() returns the URL of the referring document from the previous hit.
getlastbrowser() returns the identification string for the browser used for the previous hit.
getlastaccess() returns the date and time in Unix time format of the last time the page was hit.
gettotal() returns the total number of hits (counting your own) on the current page.
gettoday() returns the number of hits today (counting your own) on the current page.
Below is a demo of how an information footer can be put together using these functions. In fact, the PHP-generated automatic footer can be turned off and a customized one could be used with the <?include > function.