Disallowed filesystem functions

chdir
chgrp
chmod
chown
chroot
clearstatcache
closedirj
copy
delete
dir
disk_free_space
disk_total_space
diskfreespace
fclose
feof
fflush
fgetc
fgetcsv
fgets
fgetss
file
file_get_contents (for local files use "include")
file_put_contents
fileatime
filectime
filegroup
fileinode
filemtime
fileowner
fileperms
filesize
filetype
flock
fnmatch
fopen
fpassthru
fputcsv
fputs
fread
fscanf
fseek
fstat
ftell
ftruncate
fwrite
getcwd
glob
is_dir
is_executable
is_file
is_link
is_readable
is_writable
is_writeable
lchgrp
lchown
link
linkinfo
lstat
mkdir
move_uploaded_file
opendir
parse_ini_file
parse_ini_string
pathinfo
pclose
popen
readdir
readfile
readlink
realpath
realpath_cache_get
realpath_cache_size
rename
rewind
rewinddir
rmdir
scandir
set_file_buffer
stat
symlink
tempnam
tmpfile
touch
umask
unlink