update_welcome_subject

Filters the subject of the welcome email after site activation.

Description

apply_filters( 'update_welcome_subject', (string) $sprintf ); 

Parameters (1)

0. $sprintf (string) => sprintf( $subject, $current_network->site_name, wp_unslash( $title ) )
Subject of the email.

Usage

To run the hook, copy the example below.
  1. $sprintf = apply_filters( 'update_welcome_subject', $sprintf ); 
  2.  
  3. if ( !empty( $sprintf ) ) { 
  4.  
  5. // everything has led up to this point... 
  6.  
  7.  
The following example is for adding a hook callback.
  1. // define the update_welcome_subject callback 
  2. function filter_update_welcome_subject( $sprintf ) { 
  3. // make filter magic happen here... 
  4. return $sprintf
  5. }; 
  6.  
  7. // add the filter 
  8. add_filter( 'update_welcome_subject', 'filter_update_welcome_subject', 10, 1 ); 
To remove a hook callback, use the example below.
  1. // remove the filter 
  2. remove_filter( 'update_welcome_subject', 'filter_update_welcome_subject', 10, 1 ); 

Defined (1)

The filter is defined in the following location(s).

/wp-includes/ms-functions.php  
  1. $subject = apply_filters( 'update_welcome_subject', sprintf( $subject, $current_network->site_name, wp_unslash( $title ) ) );