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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 |
|---|---|
| 701 | * @param string $user The user's login name. |
| 702 | * @param string $user_email The user's email address. |
| 703 | * @param array $meta By default, contains the requested privacy setting and lang_id. |
| 704 | * @param string $key The activation key created in wpmu_signup_blog() |
| 705 | * @return bool |
| 706 | */ |
| 707 | function wpmu_signup_blog_notification($domain, $path, $title, $user, $user_email, $key, $meta = '') { |
| 708 | global $current_site; |
| 709 | |
| 710 | if ( !apply_filters('wpmu_signup_blog_notification', $domain, $path, $title, $user, $user_email, $key, $meta) ) |
| 711 | return false; |
| 712 | |
| 713 | // Send email with activation link. |
| 714 | if ( !is_subdomain_install() || $current_site->id != 1 ) |
| 715 | $activate_url = network_site_url("wp-activate.php?key=$key"); |
| 716 | else |
| 717 | $activate_url = "http://{$domain}{$path}wp-activate.php?key=$key"; // @todo use *_url() API |
| 718 | |
| 719 | $activate_url = esc_url($activate_url); |