Title: wp-includes/ms-default-constants.php | Developer.WordPress.org

---

# File: wp-includes/ms-default-constants.php

 * function[ms_upload_constants()](https://developer.wordpress.org/reference/functions/ms_upload_constants/)
 * Defines Multisite upload constants.
 * Used by [0 functions](https://developer.wordpress.org/reference/functions/ms_upload_constants/#used-by)
   | Uses [3 functions](https://developer.wordpress.org/reference/functions/ms_upload_constants/#uses)
   | Source: [wp-includes/ms-default-constants.php:18](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/ms-default-constants.php#L18-L45)
 * function[ms_cookie_constants()](https://developer.wordpress.org/reference/functions/ms_cookie_constants/)
 * Defines Multisite cookie constants.
 * Used by [0 functions](https://developer.wordpress.org/reference/functions/ms_cookie_constants/#used-by)
   | Uses [3 functions](https://developer.wordpress.org/reference/functions/ms_cookie_constants/#uses)
   | Source: [wp-includes/ms-default-constants.php:52](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/ms-default-constants.php#L52-L91)
 * function[ms_file_constants()](https://developer.wordpress.org/reference/functions/ms_file_constants/)
 * Defines Multisite file constants.
 * Used by [0 functions](https://developer.wordpress.org/reference/functions/ms_file_constants/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/functions/ms_file_constants/#uses)
   | Source: [wp-includes/ms-default-constants.php:101](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/ms-default-constants.php#L101-L119)
 * function[ms_subdomain_constants()](https://developer.wordpress.org/reference/functions/ms_subdomain_constants/)
 * Defines Multisite subdomain constants and handles warnings and notices.
 * Used by [0 functions](https://developer.wordpress.org/reference/functions/ms_subdomain_constants/#used-by)
   | Uses [3 functions](https://developer.wordpress.org/reference/functions/ms_subdomain_constants/#uses)
   | Source: [wp-includes/ms-default-constants.php:131](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/ms-default-constants.php#L131-L183)