wpo_wcpdf_extra_3

The WooCommerce PDF Invoices & Packing Slips wpo wcpdf extra 3 hook.

Description

apply_filters( 'wpo_wcpdf_extra_3', (unknown) $extra_3 ); 

Parameters (1)

0. $extra_3 (unknown)
The extra 3.

Usage

To run the hook, copy the example below.
  1. $extra_3 = apply_filters( 'wpo_wcpdf_extra_3', $extra_3 ); 
  2.  
  3. if ( !empty( $extra_3 ) ) { 
  4.  
  5. // everything has led up to this point... 
  6.  
  7.  
The following example is for adding a hook callback.
  1. // define the wpo_wcpdf_extra_3 callback 
  2. function filter_wpo_wcpdf_extra_3( $extra_3 ) { 
  3. // make filter magic happen here... 
  4. return $extra_3
  5. }; 
  6.  
  7. // add the filter 
  8. add_filter( 'wpo_wcpdf_extra_3', 'filter_wpo_wcpdf_extra_3', 10, 1 ); 
To remove a hook callback, use the example below.
  1. // remove the filter 
  2. remove_filter( 'wpo_wcpdf_extra_3', 'filter_wpo_wcpdf_extra_3', 10, 1 ); 

Defined (1)

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

/includes/class-wcpdf-functions.php  
  1. return apply_filters( 'wpo_wcpdf_extra_1', $extra_1 );