(PECL xattr >= 0.9.0) Set an extended attribute

(PHP 4, PHP 5, PHP 7) Tells whether the filename is writable

(PECL xdiff >= 1.5.0) Make binary diff of two files using the Rabin's polynomial fingerprinting algorithm

(PHP 4, PHP 5, PHP 7) Close directory handle

(PECL inotify >= 0.1.2) Return a number upper than zero if there are pending events

(PHP 4, PHP 5, PHP 7) Read entry from directory handle

(PECL inotify >= 0.1.2) Initialize an inotify instance

(PHP 4, PHP 5, PHP 7) Gets information about a link

(PHP 4, PHP 5, PHP 7) Tells whether the filename is a regular file

(PHP 4, PHP 5, PHP 7) Tells whether the filename is a directory