(PHP 4 >= 4.0.1, PHP 5, PHP 7) Flushes the output to a file

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Match filename against a pattern

(PHP 4, PHP 5, PHP 7) Returns trailing name component of path

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Returns the total size of a filesystem or disk partition

See unlink() or

(PHP 5 >= 5.1.2, PHP 7) Changes group ownership of symlink

(PHP 4, PHP 5, PHP 7) Changes the current umask

(PHP 4, PHP 5, PHP 7) Returns the target of a symbolic link

(PHP 4 >= 4.0.1, PHP 5, PHP 7) Parses input from a file according to a format

(PHP 5 >= 5.1.2, PHP 7) Changes user ownership of symlink