March 2002
Intermediate to advanced
528 pages
21h 29m
English
uniqid
string uniqid(stringprefix[, boolmore_entropy])
Returns a unique identifier, prefixed with
prefix, based on the current time in
microseconds. If more_entropy is specified
and is true, additional random characters are
added to the end of the string. The resulting string is either 13
characters (if more_entropy is unspecified
or false) or 23 characters (if
more_entropy is true)
long.