(PECL xattr >= 0.9.0) Set an extended attribute

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Detect MIME Content-type for a file

(PECL xdiff >= 0.2.0) Make unified diff of two strings

(PECL inotify >= 0.1.2) Remove an existing watch from an inotify instance

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

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

(PHP >= 5.3.0, PECL fileinfo >= 0.1.0) Alias of finfo_set_flags()

(PHP 4, PHP 5, PHP 7) Closes process file pointer

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

(PHP 4, PHP 5, PHP 7) Gets information about a file using an open file pointer