maybe_redirect_404

Correct 404 redirects when NOBLOGREDIRECT is defined.

Description

maybe_redirect_404(); 

Usage

  1. if ( !function_exists( 'maybe_redirect_404' ) ) { 
  2.     require_once ABSPATH . WPINC . '/ms-functions.php'; 
  3. } 
  4.  
  5.   
  6. // NOTICE! Understand what this does before running. 
  7. $result = maybe_redirect_404(); 
  8.     

Defined (1)

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

/wp-includes/ms-functions.php  
  1. function maybe_redirect_404() { 
  2.     /** 
  3.      * Filters the redirect URL for 404s on the main site. 
  4.      * 
  5.      * The filter is only evaluated if the NOBLOGREDIRECT constant is defined. 
  6.      * 
  7.      * @since 3.0.0 
  8.      * 
  9.      * @param string $no_blog_redirect The redirect URL defined in NOBLOGREDIRECT. 
  10.      */ 
  11.     if ( is_main_site() && is_404() && defined( 'NOBLOGREDIRECT' ) && ( $destination = apply_filters( 'blog_redirect_404', NOBLOGREDIRECT ) ) ) { 
  12.         if ( $destination == '%siteurl%' ) 
  13.             $destination = network_home_url(); 
  14.         wp_redirect( $destination ); 
  15.         exit(); 
  16.     } 
  17. }