comment_form_field_<name>

Filters a comment form field for display.

Description

apply_filters( 'comment_form_field_<name>', (string) $field ); 

The dynamic portion(s) of the filter hook refer to the name of the comment form field. Such as author,, email., or url.

Parameters (1)

0. $field (string)
The HTML-formatted output of the comment form field.

Usage

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

Defined (1)

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

/wp-includes/comment-template.php  
  1. echo apply_filters( "comment_form_field_{$name}", $field ) . "\n";