(PHP 4 >= 4.0.5, PHP 5, PHP 7) Change the root directory

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

(PHP 4, PHP 5, PHP 7) Creates a temporary file

(PECL xdiff >= 0.2.0) Alias of xdiff_string_bdiff

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

(PHP 4, PHP 5, PHP 7) Alias of

(PHP 4, PHP 5, PHP 7) Returns a parent directory's path

(PECL xdiff >= 0.2.0) Alias of xdiff_file_bdiff

(PHP 4, PHP 5, PHP 7) Output all remaining data on a file pointer

(PECL proctitle >= 0.1.0) Set the process title