- // allow definition of default variables
- $filtered_results = apply_filters('signup_blog_init', array('user_name' => $user_name, 'user_email' => $user_email, 'blogname' => $blogname, 'blog_title' => $blog_title, 'errors' => $errors ));
+ $signup_blog_defaults = array(
+ 'user_name' => $user_name,
+ 'user_email' => $user_email,
+ 'blogname' => $blogname,
+ 'blog_title' => $blog_title,
+ 'errors' => $errors
+ );
+
+ /**
+ * Filter the default site creation variables for the site sign-up form.
+ *
+ * @since 3.0.0
+ *
+ * @param array $signup_blog_defaults {
+ * An array of default site creation variables.
+ *
+ * @type string $user_name The user username.
+ * @type string $user_email The user email address.
+ * @type string $blogname The blogname.
+ * @type string $blog_title The title of the site.
+ * @type array $errors An array of possible errors relevant to new site creation variables.
+ * }
+ */
+ $filtered_results = apply_filters( 'signup_blog_init', $signup_blog_defaults );
+