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Predefined Constants

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.