Description
int filectime
(string filename)
Returns the time the file was last changed, or false in case of
an error. The time is returned as a Unix timestamp.
The results of this function are cached. See
clearstatcache() for more details.
Note: In most Unix filesystem, a file is considered
changed, when it's Inode data is changed, that is, when
the permissions, the owner, the group or other metadata
from the Inode is written to. See also
filemtime() (this is what you want to use
when you want to create "Last Modified" footers on web pages) and
fileatime().
Note: In some Unix texts the ctime of a file is being
referred to as the creation time of the file. This is wrong.
There is no creation time for Unix files in most Unix
filesystems.