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

http://www.w3schools.com/php/php_ref_directory.asp