Using WordPress ‘get_lastpostdate()’ PHP function
Retrieves the most recent time that a post on the site was published.
PHP
Using WordPress ‘get_index_template()’ PHP function
Retrieves path of index template in current or parent template.
Using WordPress ‘get_id_from_blogname()’ PHP function
Retrieves a site’s ID given its (subdomain or directory) slug.
Using WordPress ‘get_home_template()’ PHP function
Retrieves path of home template in current or parent template.