The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.
XATTR_ROOT
(int)
Set attribute in root (trusted) namespace. Requires root privileges.
XATTR_DONTFOLLOW
(int)
Do not follow the symbolic link but operate on symbolic link itself.
XATTR_CREATE
(int)
Function will fail if extended attribute already exists.
XATTR_REPLACE
(int)
Function will fail if extended attribute doesn't exist.