신디케이션 질문이어유...

<?php// http://kr1.php.net/manual/en/function.curl-setopt-array.php 참고if (!function_exists('curl_setopt_array')) {   function curl_setopt_array(&$ch, $curl_options)   {       foreach ($curl_options as $option => $value) {           if (!curl_setopt($ch, $option, $value)) {               return false;           }        }       return true;   }}  // 네이버 신디케이션에 ping url 을 curl 로 전달합니다.function naver_syndi_ping($tb, $bbs_num){	$url = "http://{$_SERVER['HTTP_HOST']}";	//$url = "http://inspi.kr"; 	$token = "AAAAOg3QmpH6yZVT3rUJsbXHbzSmfku3w1etmDWxUrP+LPj9XM8jpws3sNwM6sUW/UgS5KpwaIr0DT6OJ6AvuFqsn2s=";	//최종 $token = "AAAAOSv7eOOLJHCJnicWejaQiGSQ8b/gCb2qzSVlBr9Ndlp3H5BXHIHAI6sDiCzAB2orJbIZP543E2kMsJ13qx0MEYk=";	//$token = "AAAAN3NEFpLNRX2sMGdIIxg3SxEucnkSQFI8ANrIrap42VoI8ztJyfAQT2g4/Y/GvcCDh/GN6PiRJ7p/FoPwuFMME4g=";     // 토큰값이 없다면 네이버 신디케이션 사용안함    if ($token == '') return 0;     // curl library 가 지원되어야 합니다.    if (!function_exists('curl_init')) return -3;     $ping_auth_header = "Authorization: Bearer " . $token;    $ping_url = urlencode( $url . "/syndi2/ping.php?tb={$tb}&bbs_num={$bbs_num}" );    $ping_client_opt = array(         CURLOPT_URL => "https://apis.naver.com/crawl/nsyndi/v2",         CURLOPT_POST => true,         CURLOPT_POSTFIELDS => "ping_url=" . $ping_url,         CURLOPT_RETURNTRANSFER => true,        CURLOPT_CONNECTTIMEOUT => 10,         CURLOPT_TIMEOUT => 10,         CURLOPT_HTTPHEADER => array("Host: apis.naver.com", "Pragma: no-cache", "Accept: */*", $ping_auth_header)    );      //print_r2($ping_client_opt); exit;    $ping = curl_init();     curl_setopt_array($ping, $ping_client_opt);     $response = curl_exec($ping);     curl_close($ping);     return $response;}?>