The get_to_ping WordPress PHP filter allows you to modify the list of URLs that are yet to be pinged for a given post.
Usage
add_filter('get_to_ping', 'your_custom_function_name');
function your_custom_function_name($to_ping) {
// your custom code here
return $to_ping;
}
Parameters
$to_ping(string[]): List of URLs yet to ping.
More information
See WordPress Developer Resources: get_to_ping
Examples
Remove a specific URL from the ping list
Remove “https://example.com” from the list of URLs to ping.
add_filter('get_to_ping', 'remove_specific_url_from_ping');
function remove_specific_url_from_ping($to_ping) {
$url_to_remove = 'https://example.com';
$to_ping = array_diff($to_ping, array($url_to_remove));
return $to_ping;
}
Add a URL to the ping list
Add “https://newsite.com” to the list of URLs to ping.
add_filter('get_to_ping', 'add_url_to_ping');
function add_url_to_ping($to_ping) {
array_push($to_ping, 'https://newsite.com');
return $to_ping;
}
Clear the ping list
Remove all URLs from the list to prevent pinging.
add_filter('get_to_ping', 'clear_ping_list');
function clear_ping_list($to_ping) {
$to_ping = array();
return $to_ping;
}
Replace the ping list with a custom list
Replace the original list of URLs with a custom list of URLs to ping.
add_filter('get_to_ping', 'replace_ping_list');
function replace_ping_list($to_ping) {
$to_ping = array('https://customsite1.com', 'https://customsite2.com');
return $to_ping;
}
Remove duplicate URLs from the ping list
Remove duplicate URLs from the list to ping only unique sites.
add_filter('get_to_ping', 'remove_duplicate_urls');
function remove_duplicate_urls($to_ping) {
$to_ping = array_unique($to_ping);
return $to_ping;
}