php - Is it possible to Include variable with URL in CURLOPT_URL? -

i storing facebook page id in variable pageid, , want graph api retrieve information these ids. trying include variable $pageid rest of url, not return anything.

would suggest alternatives, or whether doing wrong?

  $pageid = substr($_post["url"], $pageidposition +1);                         echo $pageid;                         echo "<br />\n";                         echo "<br />\n";                         // create new curl resource                             $ch = curl_init();                              // set url , other appropriate options                             curl_setopt($ch, curlopt_url, "http://graph.facebook.com/" + $pageid);                             curl_setopt($ch, curlopt_header, 0);                              // grab url , pass browser                             curl_exec($ch);                              // close curl resource, , free system resources                             curl_close($ch);