​The `is_subdomain_install()` function in WordPress determines if a subdomain configuration is enabled in a multisite setup

​Learn how to use the WordPress `install_plugin_install_status()` function in this comprehensive guide, including examples and best practices for managing plugin installation status

Learn how to use the WordPress 'install_plugins_upload()' PHP function to display a form for uploading plugins from zipped files

​The `install_network()` function in WordPress is used to install a new network for a WordPress multisite installation

​The `install_global_terms()` function is a built-in WordPress function that installs global terms used across the entire WordPress multisite network

This article discusses how to use the WordPress 'install_blog()' PHP function to create an empty blog with default settings using the 'wp_insert_site()' function and parameters

​The `insert_blog()` function is a WordPress PHP function that allows users to create new sites by storing basic site information in the blogs table and returning the new blog's ID

​The `is_blog_installed()` function in WordPress determines whether WordPress is already installed

Learn how to use the WordPress'register_activation_hook()' function to set an activation hook for a plugin, running custom code when it's activated