WordPress at a glance
filter is not described

add_ping filter-hook . WP 2.0.0

Filters the new ping URL to add for the given post.

Usage

add_filter( 'add_ping', 'filter_function_name_9928' );
function filter_function_name_9928( $new ){
	// filter...

	return $new;
}
$new(string)
New ping URL to add.

Changelog

Since 2.0.0 Introduced.

Where the hook is called

add_ping()
add_ping
wp-includes/post.php 4745
$new = apply_filters( 'add_ping', $new );

Where in WP core the hook is used

Usage not found!