bbp_subscription_mail_headers

The WordPress Core bbp subscription mail headers hook.

Description

apply_filters( 'bbp_subscription_mail_headers', (unknown) $headers ); 

Parameters (1)

0. $headers (unknown)
The headers.

Usage

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

Defined (2)

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

/includes/common/functions.php  
  1. $headers = apply_filters( 'bbp_subscription_mail_headers', $headers ); 
  1. $headers = apply_filters( 'bbp_subscription_mail_headers', $headers );