# PHP mkdir() Function

Complete PHP Filesystem Reference

## Definition and Usage

The mkdir() function creates a directory.

This function returns TRUE on success, or FALSE on failure.

## Syntax

mkdir(path,mode,recursive,context)

Parameter | Description
--- | ---
path | Required. Specifies the name of the directory to create

mode

Optional. Specifies permissions. By default, the mode is 0777 (widest possible access).

The mode parameter consists of four numbers:

- The first number is always zero
- The second number specifies permissions for the owner
- The third number specifies permissions for the owner's user group
- The fourth number specifies permissions for everybody else

Possible values (to set multiple permissions, add up the following numbers):

- 1 = execute permissions
- 2 = write permissions
- 4 = read permissions

recursive | Optional. Specifies if the recursive mode is set (added in PHP 5)
context | Optional. Specifies the context of the file handle. Context is a set of options that can modify the behavior of a stream (added in PHP 5)

## Tips and Notes

Note: The mode parameters is ignored on Windows platforms.

## Example

<?php
mkdir("testing");
?>

Complete PHP Filesystem Reference

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