saber la fecha y hora en la cual se actualizo un directorio

[Montes28]

Código PHP:

$stat = stat('ftp://user:[email protected]/prueba/');
echo $stat['ctime'];
 

y obtengo -1


y tambien lo probe asi:

Código PHP:

print_r( stat('ftp://user:[email protected]/prueba/') )
 

array(1) { [0]=> array(26) { [0]=> int(0) [1]=> int(0) [2]=> int(16804) [3]=> int(1) [4]=> int(0) [5]=> int(0) [6]=> int(-1) [7]=> int(0) [8]=> int(-1) [9]=> int(-1) [10]=> int(-1) [11]=> int(4096) [12]=> int(0) ["dev"]=> int(0) ["ino"]=> int(0) ["mode"]=> int(16804) ["nlink"]=> int(1) ["uid"]=> int(0) ["gid"]=> int(0) ["rdev"]=> int(-1) ["size"]=> int(0) ["atime"]=> int(-1) ["mtime"]=> int(-1) ["ctime"]=> int(-1) ["blksize"]=> int(4096) ["blocks"]=> int(0) } }