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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 |
|---|---|
| 401 | * @since 3.0.0 |
| 402 | * |
| 403 | * @param array $meta { |
| 404 | * An array of default site meta variables. |
| 405 | * |
| 406 | * @type int $lang_id The language ID. |
| 407 | * @type int $blog_public Whether search engines should be discouraged from indexing the site. 1 for true, 0 for false. |
| 408 | * } |
| 409 | */ |
| 410 | $meta = apply_filters( 'add_signup_meta', $meta_defaults ); |
| 411 | |
| 412 | $blog_id = wpmu_create_blog( $domain, $path, $blog_title, $current_user->ID, $meta, $wpdb->siteid ); |
| 413 | |
| 414 | if ( is_wp_error( $blog_id ) ) { |
| 415 | return false; |
| 416 | } |
| 417 | |
| 418 | confirm_another_blog_signup( $domain, $path, $blog_title, $current_user->user_login, $current_user->user_email, $meta, $blog_id ); |
| 419 | return true; |
| Line | Code |
| 559 | return false; |
| 560 | } |
| 561 | |
| 562 | if ( 'blog' == $_POST['signup_for'] ) { |
| 563 | signup_blog($user_name, $user_email); |
| 564 | return false; |
| 565 | } |
| 566 | |
| 567 | /** This filter is documented in wp-signup.php */ |
| 568 | wpmu_signup_user( $user_name, $user_email, apply_filters( 'add_signup_meta', array() ) ); |
| 569 | |
| 570 | confirm_user_signup($user_name, $user_email); |
| 571 | return true; |
| 572 | } |
| 573 | |
| 574 | /** |
| 575 | * New user signup confirmation |
| 576 | * |
| 577 | * @since MU |
| Line | Code |
| 699 | |
| 700 | if ( $language ) { |
| 701 | $signup_meta['WPLANG'] = $language; |
| 702 | } |
| 703 | } |
| 704 | |
| 705 | } |
| 706 | |
| 707 | /** This filter is documented in wp-signup.php */ |
| 708 | $meta = apply_filters( 'add_signup_meta', $signup_meta ); |
| 709 | |
| 710 | wpmu_signup_blog($domain, $path, $blog_title, $user_name, $user_email, $meta); |
| 711 | confirm_blog_signup($domain, $path, $blog_title, $user_name, $user_email, $meta); |
| 712 | return true; |
| 713 | } |
| 714 | |
| 715 | /** |
| 716 | * New site signup confirmation |
| 717 | * |