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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 |
|---|---|
| 350 | * @since 3.0.0 |
| 351 | * |
| 352 | * @param array $meta { |
| 353 | * An array of default site meta variables. |
| 354 | * |
| 355 | * @type int $lang_id The language ID. |
| 356 | * @type int $blog_public Whether search engines should be discouraged from indexing the site. 1 for true, 0 for false. |
| 357 | * } |
| 358 | */ |
| 359 | $meta = apply_filters( 'add_signup_meta', $meta_defaults ); |
| 360 | |
| 361 | wpmu_create_blog( $domain, $path, $blog_title, $current_user->ID, $meta, $wpdb->siteid ); |
| 362 | confirm_another_blog_signup($domain, $path, $blog_title, $current_user->user_login, $current_user->user_email, $meta); |
| 363 | return true; |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * Confirm a new site signup |
| 368 | * |
| Line | Code |
| 483 | return false; |
| 484 | } |
| 485 | |
| 486 | if ( 'blog' == $_POST['signup_for'] ) { |
| 487 | signup_blog($user_name, $user_email); |
| 488 | return false; |
| 489 | } |
| 490 | |
| 491 | /** This filter is documented in wp-signup.php */ |
| 492 | wpmu_signup_user( $user_name, $user_email, apply_filters( 'add_signup_meta', array() ) ); |
| 493 | |
| 494 | confirm_user_signup($user_name, $user_email); |
| 495 | return true; |
| 496 | } |
| 497 | |
| 498 | /** |
| 499 | * New user signup confirmation |
| 500 | * |
| 501 | * @since MU |
| Line | Code |
| 613 | if ( $errors->get_error_code() ) { |
| 614 | signup_blog($user_name, $user_email, $blogname, $blog_title, $errors); |
| 615 | return false; |
| 616 | } |
| 617 | |
| 618 | $public = (int) $_POST['blog_public']; |
| 619 | $signup_meta = array ('lang_id' => 1, 'public' => $public); |
| 620 | |
| 621 | /** This filter is documented in wp-signup.php */ |
| 622 | $meta = apply_filters( 'add_signup_meta', $signup_meta ); |
| 623 | |
| 624 | wpmu_signup_blog($domain, $path, $blog_title, $user_name, $user_email, $meta); |
| 625 | confirm_blog_signup($domain, $path, $blog_title, $user_name, $user_email, $meta); |
| 626 | return true; |
| 627 | } |
| 628 | |
| 629 | /** |
| 630 | * New site signup confirmation |
| 631 | * |