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.

IN_ACCESS (int): File was accessed (read) (*)
IN_MODIFY (int): File was modified (*)
IN_ATTRIB (int): Metadata changed (e.g. permissions, mtime, etc.) (*)
IN_CLOSE_WRITE (int): File opened for writing was closed (*)
IN_CLOSE_NOWRITE (int): File not opened for writing was closed (*)
IN_OPEN (int): File was opened (*)
IN_MOVED_TO (int): File moved into watched directory (*)
IN_MOVED_FROM (int): File moved out of watched directory (*)
IN_CREATE (int): File or directory created in watched directory (*)
IN_DELETE (int): File or directory deleted in watched directory (*)
IN_DELETE_SELF (int): Watched file or directory was deleted
IN_MOVE_SELF (int): Watch file or directory was moved
IN_CLOSE (int): Equals to IN_CLOSE_WRITE | IN_CLOSE_NOWRITE
IN_MOVE (int): Equals to IN_MOVED_FROM | IN_MOVED_TO
IN_ALL_EVENTS (int): Bitmask of all the above constants
IN_UNMOUNT (int): File system containing watched object was unmounted
IN_Q_OVERFLOW (int): Event queue overflowed (wd is -1 for this event)
IN_IGNORED (int): Watch was removed (explicitly by inotify_rm_watch() or because file was removed or filesystem unmounted
IN_ISDIR (int): Subject of this event is a directory
IN_ONLYDIR (int): Only watch pathname if it is a directory (Since Linux 2.6.15)
IN_DONT_FOLLOW (int): Do not dereference pathname if it is a symlink (Since Linux 2.6.15)
IN_MASK_ADD (int): Add events to watch mask for this pathname if it already exists (instead of replacing mask).
IN_ONESHOT (int): Monitor pathname for one event, then remove from watch list.

Note: The events marked with an asterisk (*) above can occur for files in watched directories.