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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 |
---|---|
465 | * @since 3.0.0 |
466 | * |
467 | * @param array $meta { |
468 | * An array of default site meta variables. |
469 | * |
470 | * @type int $lang_id The language ID. |
471 | * @type int $blog_public Whether search engines should be discouraged from indexing the site. 1 for true, 0 for false. |
472 | * } |
473 | */ |
474 | $meta = apply_filters( 'add_signup_meta', $meta_defaults ); |
475 |
|
476 | $blog_id = wpmu_create_blog( $domain, $path, $blog_title, $current_user->ID, $meta, get_current_network_id() ); |
477 |
|
478 | if ( is_wp_error( $blog_id ) ) { |
479 | return false; |
480 | } |
481 |
|
482 | confirm_another_blog_signup( $domain, $path, $blog_title, $current_user->user_login, $current_user->user_email, $meta, $blog_id ); |
483 | return true; |
Line | Code |
641 | return false; |
642 | } |
643 |
|
644 | if ( 'blog' === $_POST['signup_for'] ) { |
645 | signup_blog( $user_name, $user_email ); |
646 | return false; |
647 | } |
648 |
|
649 | /** This filter is documented in wp-signup.php */ |
650 | wpmu_signup_user( $user_name, $user_email, apply_filters( 'add_signup_meta', array() ) ); |
651 |
|
652 | confirm_user_signup( $user_name, $user_email ); |
653 | return true; |
654 | } |
655 |
|
656 | /** |
657 | * New user signup confirmation |
658 | * |
659 | * @since MU (3.0.0) |
Line | Code |
793 | $language = wp_unslash( sanitize_text_field( $_POST['WPLANG'] ) ); |
794 |
|
795 | if ( $language ) { |
796 | $signup_meta['WPLANG'] = $language; |
797 | } |
798 | } |
799 | } |
800 |
|
801 | /** This filter is documented in wp-signup.php */ |
802 | $meta = apply_filters( 'add_signup_meta', $signup_meta ); |
803 |
|
804 | wpmu_signup_blog( $domain, $path, $blog_title, $user_name, $user_email, $meta ); |
805 | confirm_blog_signup( $domain, $path, $blog_title, $user_name, $user_email, $meta ); |
806 | return true; |
807 | } |
808 |
|
809 | /** |
810 | * New site signup confirmation |
811 | * |