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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.
| Line | Code |
|---|---|
| 691 | break; |
| 692 | case 'default': |
| 693 | default : |
| 694 | $user_email = isset( $_POST[ 'user_email' ] ) ? $_POST[ 'user_email' ] : ''; |
| 695 | /** |
| 696 | * Fires when the site sign-up form is sent. |
| 697 | * |
| 698 | * @since 3.0.0 |
| 699 | */ |
| 700 | do_action( 'preprocess_signup_form' ); |
| 701 | if ( is_user_logged_in() && ( $active_signup == 'all' || $active_signup == 'blog' ) ) |
| 702 | signup_another_blog($newblogname); |
| 703 | elseif ( ! is_user_logged_in() && ( $active_signup == 'all' || $active_signup == 'user' ) ) |
| 704 | signup_user( $newblogname, $user_email ); |
| 705 | elseif ( ! is_user_logged_in() && ( $active_signup == 'blog' ) ) |
| 706 | _e( 'Sorry, new registrations are not allowed at this time.' ); |
| 707 | else |
| 708 | _e( 'You are logged in already. No need to register again!' ); |
| 709 | |