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(integer)
- 
    
     Set attribute in root (trusted) namespace. Requires root privileges.
    
   
- 
   
    XATTR_DONTFOLLOW(integer)
- 
    
     Do not follow the symbolic link but operate on symbolic link itself.
    
   
- 
   
    XATTR_CREATE(integer)
- 
    
     Function will fail if extended attribute already exists.
    
   
- 
   
    XATTR_REPLACE(integer)
- 
    
     Function will fail if extended attribute doesn't exist.