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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 629 | ) ); |
| 630 | |
| 631 | wpmu_signup_user_notification($user, $user_email, $key, $meta); |
| 632 | } |
| 633 | |
| 634 | // Notify user of signup success. |
| 635 | function wpmu_signup_blog_notification($domain, $path, $title, $user, $user_email, $key, $meta = '') { |
| 636 | global $current_site; |
| 637 | |
| 638 | if ( !apply_filters('wpmu_signup_blog_notification', $domain, $path, $title, $user, $user_email, $key, $meta) ) |
| 639 | return false; |
| 640 | |
| 641 | // Send email with activation link. |
| 642 | if ( !is_subdomain_install() || $current_site->id != 1 ) |
| 643 | $activate_url = network_site_url("wp-activate.php?key=$key"); |
| 644 | else |
| 645 | $activate_url = "http://{$domain}{$path}wp-activate.php?key=$key"; // @todo use *_url() API |
| 646 | |
| 647 | $activate_url = esc_url($activate_url); |