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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.
This hook occurs 3 times in this file.
| Line | Code |
|---|---|
| 488 | * @since 3.0.0 |
| 489 | * |
| 490 | * @param array $meta { |
| 491 | * An array of default site meta variables. |
| 492 | * |
| 493 | * @type int $lang_id The language ID. |
| 494 | * @type int $blog_public Whether search engines should be discouraged from indexing the site. 1 for true, 0 for false. |
| 495 | * } |
| 496 | */ |
| 497 | $meta = apply_filters( 'add_signup_meta', $meta_defaults ); |
| 498 | |
| 499 | $blog_id = wpmu_create_blog( $domain, $path, $blog_title, $current_user->ID, $meta, get_current_network_id() ); |
| 500 | |
| 501 | if ( is_wp_error( $blog_id ) ) { |
| 502 | return false; |
| 503 | } |
| 504 | |
| 505 | confirm_another_blog_signup( $domain, $path, $blog_title, $current_user->user_login, $current_user->user_email, $meta, $blog_id ); |
| 506 | return true; |
| Line | Code |
| 673 | return false; |
| 674 | } |
| 675 | |
| 676 | if ( 'blog' === $_POST['signup_for'] ) { |
| 677 | signup_blog( $user_name, $user_email ); |
| 678 | return false; |
| 679 | } |
| 680 | |
| 681 | /** This filter is documented in wp-signup.php */ |
| 682 | wpmu_signup_user( $user_name, $user_email, apply_filters( 'add_signup_meta', array() ) ); |
| 683 | |
| 684 | confirm_user_signup( $user_name, $user_email ); |
| 685 | return true; |
| 686 | } |
| 687 | |
| 688 | /** |
| 689 | * Shows a message confirming that the new user has been registered and is awaiting activation. |
| 690 | * |
| 691 | * @since MU (3.0.0) |
| Line | Code |
| 825 | $language = wp_unslash( sanitize_text_field( $_POST['WPLANG'] ) ); |
| 826 | |
| 827 | if ( $language ) { |
| 828 | $signup_meta['WPLANG'] = $language; |
| 829 | } |
| 830 | } |
| 831 | } |
| 832 | |
| 833 | /** This filter is documented in wp-signup.php */ |
| 834 | $meta = apply_filters( 'add_signup_meta', $signup_meta ); |
| 835 | |
| 836 | wpmu_signup_blog( $domain, $path, $blog_title, $user_name, $user_email, $meta ); |
| 837 | confirm_blog_signup( $domain, $path, $blog_title, $user_name, $user_email, $meta ); |
| 838 | return true; |
| 839 | } |
| 840 | |
| 841 | /** |
| 842 | * Shows a message confirming that the new site has been registered and is awaiting activation. |
| 843 | * |