<?php
      function curl_post($url, $postinfo) {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($ch, CURLOPT_MAXREDIRS, 5);
        curl_setopt($ch, CURLOPT_TIMEOUT, 60);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $postinfo);
        curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:18.0) Gecko/20100101 Firefox/18.0");
        curl_setopt($ch, CURLOPT_HEADER, 1);
        $result = curl_exec($ch);
        curl_close($ch);
    return $result;
    }

$url = 'http://google.ru';
$title = 'Лучший в мире блог';
/* WEB PING */
$post_data = 'url=' . $url;
echo curl_post('http://blogs.yandex.ru/pings_do.xml', $post_data);

/* API PING */
$value = '<?xml version="1.0" encoding="UTF-8"?>
<methodCall>
    <methodName>weblogUpdates.ping</methodName>
    <params>
        <param>
            <value>' . $title . '</value>
        </param>
        <param>
            <value>' . $url . '</value>
        </param>
    </params>
</methodCall>';
echo curl_post('http://ping.blogs.yandex.ru/RPC2', $value);
?>