wpmu_new_blog

What is WordPress Hook: wpmu_new_blog

The wpmu_new_blog hook is a specific WordPress hook that is triggered when a new site is created on a WordPress Multisite network. This hook allows developers to perform actions after a new site has been created, such as setting default options, adding initial content, or sending notifications.

Understanding the Hook: wpmu_new_blog

The wpmu_new_blog hook is located within the wp_insert_site function in the WordPress core. This function is called when a new site is created on a WordPress Multisite network. The wpmu_new_blog hook allows developers to execute custom code after a new site has been successfully created.

Hook Parameters (if applicable): wpmu_new_blog

The wpmu_new_blog hook accepts two parameters: $blog_id and $user_id. The $blog_id parameter contains the ID of the newly created site, while the $user_id parameter contains the ID of the user who created the site. Developers can use these parameters to perform actions specific to the newly created site or user.

Hook Doesn’t Work: wpmu_new_blog

If the wpmu_new_blog hook doesn’t seem to be working, there are a few potential causes to consider. First, ensure that the hook is being added and executed correctly in your custom code. Additionally, check for any conflicts with other plugins or themes that may be affecting the hook’s functionality. It’s also important to verify that the hook is being triggered after a new site is created on the WordPress Multisite network.

Best Practices & Usage Notes (if applicable): wpmu_new_blog

When using the wpmu_new_blog hook, it’s important to consider the potential impact on site performance, especially if executing resource-intensive tasks. Additionally, developers should be mindful of any limitations or restrictions within the WordPress Multisite network that may affect the execution of the hook. It’s recommended to thoroughly test any custom code utilizing the wpmu_new_blog hook to ensure compatibility and reliability.

Usage Example: wpmu_new_blog

“`php
function custom_new_blog_action( $blog_id, $user_id ) {
// Perform custom actions after a new site is created
// Example: Set default options for the new site
switch_to_blog( $blog_id );
update_option( ‘my_custom_option’, ‘default_value’ );
restore_current_blog();
}
add_action( ‘wpmu_new_blog’, ‘custom_new_blog_action’, 10, 2 );
“`

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