PHP CURL post request and Error 417

[E7R]

\[code\]<?phpfunction query($url, $pfields = 0, $cookie = 0, $login = 0){ if($ch = curl_init($url)) { curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 5.1; ru; rv:1.9.1.5) Gecko/20091102 Firefox/3.9.0'); curl_setopt($ch, CURLOPT_HEADER, 1); if (!empty($pfields)) { curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $pfields); } if (!empty($cookie)) { curl_setopt($ch, CURLOPT_COOKIE, $cookie); } curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch,CURLOPT_ENCODING,'gzip'); if (!$login) { curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); } $content = curl_exec($ch); return $content; }}$cookie = 'sessionID=3864cab58412ec567b634db3c317898;OAGEO=RU%7C%7C%7C%7C%7C%7C%7C%7C%7C%7C;';$p = '++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++';$post = 'clientid=23&campaignid=52&bannerid=111&appendsave=1&appendtype=0&append=' . urlencode($p) . '&submitbutton=';echo query('http://site.com/in.php', $post, $cookie);\[/code\]This code is returned 417 error(BUT $p is not usage urlencode but IS OK but +(plus) change for " "(space)Sooooorry for my very bad english