wpmu_validate_blog_signup
Learn about the wpmu_validate_blog_signup hook in Wordpress, its parameters, usage, and troubleshooting tips. Understand how to customize the validation process for new site signups in a WordPress Multisite network.
custom validation checks
validate_current_theme
Learn about the validate_current_theme hook in WordPress and how it can be used to perform custom validation checks on the active theme. Understand its location, parameters, troubleshooting, best practices, and usage examples.