Web Standards Programmer's Reference: HTML, CSS, JavaScript®, Perl, Python®, and PHP

F.10. Directory

Function	Returns	Description
opendir(string path)	mixed	Opens a directory and returns a dir_handle.
dir(string directory)	object	Directory class with properties handle and path, and methods read, rewind, and close.
closedir([resource dir_handle])	void	Closes directory connection identified by the dir_handle.
chroot(string directory)	bool	Changes root directory.
chdir(string directory)	bool	Changes the current directory.
getcwd(void)	mixed	Gets the current directory.
rewinddir([resource dir_handle])	void	Rewinds dir_handle back to the start.
readdir([resource dir_handle])	string	Reads directory entry from dir_handle.
glob(string pattern [, int flags])	array	Finds pathnames matching a pattern.
scandir(string dir [, int sorting_order])	array	Lists files and directories inside the specified path.
dl(string extension_filename)	int	Loads a PHP extension at runtime.