Gathers the statistics of the file or symbolic link
named by filename. This function is identical to the stat()
function except that if the
filename parameter is a symbolic link, the status of
the symbolic link is returned, not the status of the file
pointed to by the symbolic link.
Returns an array with the statistics of the file with
the following elements:
blocksize for filesystem I/O *
lstat() cannot be used on remote files.
The results of this function are cached. See
clearstatcache() for more details.