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PHP mkdir() Function

❮ PHP Filesystem Reference


Create a directory named "test":


Definition and Usage

The mkdir() function creates a directory specified by a pathname.


mkdir(path, mode, recursive, context)

Parameter Values

Parameter Description
path Required. Specifies the directory path to create
mode Optional. Specifies permissions. By default, the mode is 0777 (widest possible access).

Note: The mode parameters is ignored on Windows platforms!

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)

Technical Details

Return Value: TRUE on success, FALSE on failure
PHP Version: 4.0+

❮ PHP Filesystem Reference