PHP Directory Functions

PHP Directory Introduction
The directory functions allow you to retrieve information about directories and their contents.


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Installation
The directory functions are part of the PHP core. There is no installation needed to use these functions.


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PHP Directory Functions
PHP: indicates the earliest version of PHP that supports the function.

Function Description PHP
chdir() Changes the current directory 3
chroot() Changes the root directory of the current process 4
dir() Opens a directory handle and returns an object 3
closedir() Closes a directory handle 3
getcwd() Returns the current directory 4
opendir() Opens a directory handle 3
readdir() Returns an entry from a directory handle 3
rewinddir() Resets a directory handle 3
scandir() Lists files and directories inside a specified path 5


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PHP Directory Constants
PHP: indicates the earliest version of PHP that supports the constant.

Constant Description PHP
DIRECTORY_SEPARATOR 3
PATH_SEPARATOR 4