Using WordPress ‘kses_init()’ PHP function
Sets up most of the KSES filters for input form content.
Users
Using WordPress ‘is_subdomain_install()’ PHP function
The `is_subdomain_install()` function in WordPress determines if a subdomain configuration is enabled in a multisite setup
Using WordPress ‘is_privacy_policy()’ PHP function
Determines whether the query is for the Privacy Policy page.
Using WordPress ‘is_login()’ PHP function
Determines whether the current request is for the login screen.