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WP_Filesystem_Base::mkdir( string $path, int|false $chmod = false, string|int $chown = false, string|int $chgrp = false )

Creates a directory.

Parameters

$path

(string) (Required) Path for new directory.

$chmod

(int|false) (Optional) The permissions as octal number (or false to skip chmod).

Default value: false

$chown

(string|int) (Optional) A user name or number (or false to skip chown).

Default value: false

$chgrp

(string|int) (Optional) A group name or number (or false to skip chgrp).

Default value: false

Return

(bool) True on success, false on failure.

Source

File: wp-admin/includes/class-wp-filesystem-base.php 

public function mkdir( $path, $chmod = false, $chown = false, $chgrp = false ) {
		return false;
	}

Changelog

Version Description
2.5.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_filesystem_base/mkdir