ninja_forms_user_subject

The Ninja Forms ninja forms user subject hook.

Description

apply_filters( 'ninja_forms_user_subject', (unknown) $user_subject ); 

Parameters (1)

0. $user_subject (unknown)
The user subject.

Usage

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

Defined (1)

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

/deprecated/includes/display/processing/filter-msgs.php  
  1. $ninja_forms_processing->update_form_setting('user_subject', apply_filters('ninja_forms_user_subject', $user_subject));