wp_generate_uuid4()

Generate a random UUID (version 4).

Return

(string) UUID.

Source

File: wp-includes/functions.php 

function wp_generate_uuid4() {
	return sprintf(
		'%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
		mt_rand( 0, 0xffff ),
		mt_rand( 0, 0xffff ),
		mt_rand( 0, 0xffff ),
		mt_rand( 0, 0x0fff ) | 0x4000,
		mt_rand( 0, 0x3fff ) | 0x8000,
		mt_rand( 0, 0xffff ),
		mt_rand( 0, 0xffff ),
		mt_rand( 0, 0xffff )
	);
}

Used By

Used By Description
wp-includes/class-wp-application-passwords.php: WP_Application_Passwords::create_new_application_password()

Creates a new application password.
wp-includes/class-wp-application-passwords.php: WP_Application_Passwords::get_user_application_passwords()

Gets a user’s application passwords.
wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::establish_loaded_changeset()

Establish the loaded changeset.
wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::_publish_changeset_values()

Publish changeset values.
wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::save_changeset_post()

Save the post for the loaded changeset.
wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::save()

Handle customize_save WP Ajax request to save/update a changeset.
wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::__construct()

Constructor.

Changelog

Version Description
4.7.0 Introduced.

© 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_generate_uuid4