allow_subdomain_install(): bool

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   Muhibul Haque 2 years ago

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   The allow_subdomain_install() function is a WordPress function used to determine whether subdomain-based multisite installations are allowed on a WordPress site. This function returns a boolean value (true or false) indicating whether subdomain-based multisite installations are permitted.

   In a WordPress multisite network, you have the option to create either subdirectory-based or subdomain-based installations. Here’s what each option means:

   Subdirectory-Based Multisite: In this mode, sites within the network are structured as subdirectories of the main site’s domain. For example, if the main site’s domain is example.com, a subdirectory-based site might have the URL example.com/site1/.

   Subdomain-Based Multisite: In this mode, sites within the network are structured as subdomains of the main site’s domain. For example, if the main site’s domain is example.com, a subdomain-based site might have the URL site1.example.com.

   The allow_subdomain_install() function is used to check if subdomain-based multisite installations are allowed. The function returns true if subdomain-based installations are permitted, and false if they are not.

   Here’s a typical usage scenario:

   if (allow_subdomain_install()) {
       // Subdomain-based multisite is allowed.
       // You can proceed with subdomain-based multisite setup.
   } else {
       // Subdomain-based multisite is not allowed.
       // You may only set up subdirectory-based multisite.
   }