WordPress at a glance
filter is not described

comment_form_default_fields filter-hook . WP 3.0.0

Filters the default comment form fields.

Usage

add_filter( 'comment_form_default_fields', 'filter_function_name_696' );
function filter_function_name_696( $fields ){
	// filter...

	return $fields;
}
$fields(string[])
Array of the default comment fields.

Changelog

Since 3.0.0 Introduced.

Where the hook is called

comment_form()
comment_form_default_fields
wp-includes/comment-template.php 2408
$fields = apply_filters( 'comment_form_default_fields', $fields );

Where in WP core the hook is used WordPress

Usage not found.