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

(PHP 4 >= 4.2.0, PHP 5 <= 5.0.5, PHP 7) Truncates file descriptor fd to offset bytes

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

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

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

(PECL inotify >= 0.1.2) Initialize an inotify instance

(PHP 5 >= 5.3.0, PHP 7, PECL fileinfo >= 0.1.0) Return information about a string buffer

(PHP 4, PHP 5, PHP 7) Gives information about a file

(PHP 4, PHP 5, PHP 7) Create file with unique file name

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