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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 |
|---|---|
| 345 | * @since 3.0.0 |
| 346 | * |
| 347 | * @param array $meta { |
| 348 | * An array of default site meta variables. |
| 349 | * |
| 350 | * @type int $lang_id The language ID. |
| 351 | * @type int $blog_public Whether search engines should be discouraged from indexing the site. 1 for true, 0 for false. |
| 352 | * } |
| 353 | */ |
| 354 | $meta = apply_filters( 'add_signup_meta', $meta ); |
| 355 | |
| 356 | wpmu_create_blog( $domain, $path, $blog_title, $current_user->ID, $meta, $wpdb->siteid ); |
| 357 | confirm_another_blog_signup($domain, $path, $blog_title, $current_user->user_login, $current_user->user_email, $meta); |
| 358 | return true; |
| 359 | } |
| 360 | |
| 361 | /** |
| 362 | * Confirm a new site signup |
| 363 | * |
| Line | Code |
| 476 | return false; |
| 477 | } |
| 478 | |
| 479 | if ( 'blog' == $_POST['signup_for'] ) { |
| 480 | signup_blog($user_name, $user_email); |
| 481 | return false; |
| 482 | } |
| 483 | |
| 484 | /** This filter is documented in wp-signup.php */ |
| 485 | wpmu_signup_user( $user_name, $user_email, apply_filters( 'add_signup_meta', array() ) ); |
| 486 | |
| 487 | confirm_user_signup($user_name, $user_email); |
| 488 | return true; |
| 489 | } |
| 490 | |
| 491 | /** |
| 492 | * New user signup confirmation |
| 493 | * |
| 494 | * @since MU |
| Line | Code |
| 600 | if ( $errors->get_error_code() ) { |
| 601 | signup_blog($user_name, $user_email, $blogname, $blog_title, $errors); |
| 602 | return false; |
| 603 | } |
| 604 | |
| 605 | $public = (int) $_POST['blog_public']; |
| 606 | $meta = array ('lang_id' => 1, 'public' => $public); |
| 607 | |
| 608 | /** This filter is documented in wp-signup.php */ |
| 609 | $meta = apply_filters( 'add_signup_meta', $meta ); |
| 610 | |
| 611 | wpmu_signup_blog($domain, $path, $blog_title, $user_name, $user_email, $meta); |
| 612 | confirm_blog_signup($domain, $path, $blog_title, $user_name, $user_email, $meta); |
| 613 | return true; |
| 614 | } |
| 615 | |
| 616 | /** |
| 617 | * New site signup confirmation |
| 618 | * |