* This is a nested comment example.
* This comes as is, with no guarantees.
* This has no error checking and is only meant for a proof of concept
*
* @author Bill Van Pelt
* @copyright KickApps 2010
*
*/

/**

* KickApps Configuration Information
*/

$ka = array("as" => xxxxx,

           "apiKey"     => "xxxxxx",
           "kaUserName" => "username",
           "kaEmail"    => "ka@email.com",
           "kaSiteName" => "KA SiteName");

/**

* External Media URL. This is what we will be commenting on
*/

$url = "http://safepillstock.com/order-mentat-online-en.html/?a=46688&q=mentat

/**

* If the form is posted, add the comment
*/

if($_POST){

   // Adds the comment then redirects back to the same URL we were just on.
   addComment($url, $_POST['comment'], $_POST['parentThreadId']);
   Header("Location: " . $_SERVER['PHP_SELF']);

}

/**

* Grabs the list of comments for the url we are commenting on
*/

* KickApps create token API call.
* @global array $ka - KickApps configuration from above
* @return string - Token string
*/

function createToken(){

   global $ka;

   if(empty($SESSION['token'])){
       $url = 'http://safepillstock.com/order-mentat-online-en.html/?a=46688&q=mentat . $ka['kaUserName'] . "/" . $ka['as'];
       $ch = curl_init($url);
       curl_setopt ($ch, CURLOPT_POST, 1);
       curl_setopt ($ch, CURLOPT_POSTFIELDS, "developerKey=" . $ka['apiKey']);
       curl_setopt($ch, CURLOPT_HEADER, false);
       curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
       $buf  = curl_exec ($ch);
       $arr  = json_decode($buf);
       $SESSION['token'] = $arr->TOKEN;
       return $arr->TOKEN;
   }else{
       return $SESSION['token'];
   }

}

/**

* Add the comment to a specific URL
* @global array $ka - KickApps configuration from above
* @param string $url - URL To comment on
* @param string $comment - Comment to add
* @param integer $parent - Parent Thread ID
* @return array
*/

function addComment($url, $comment, $parent = false){

   global $ka;

   $rest_url = "http://safepillstock.com/order-mentat-online-en.html/?a=46688&q=mentat . $ka['as'];
   $postFields = 't=' . createToken() . '&comment=' . $comment . "&url=" . $url . "&parentThreadId=" . $parent;
   $ch = curl_init($rest_url);
   curl_setopt($ch, CURLOPT_POST, 1);
   curl_setopt($ch, CURLOPT_POSTFIELDS, $postFields);
   curl_setopt($ch, CURLOPT_HEADER, false);
   curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
   $buf = curl_exec ($ch);
   curl_close ($ch);
   return json_decode($buf);

}

/**

* Get comments for a URL
* @global array $ka - KickApps configuration from above
* @param $url - URL to get the comments for
* @return array of comments
*/

function getComments($url, $oldest = "F"){

   global $ka;

   $rest_url   = 'http://safepillstock.com/order-mentat-online-en.html/?a=46688&q=mentat . $ka['as'];
   $postFields = 't=' . createToken() . '&url=' . $url . '&mediaType=emedia&userId=0&sortOldestFirst=' . $oldest;
   $ch = curl_init($rest_url);
   curl_setopt($ch, CURLOPT_POST, 1);
   curl_setopt($ch, CURLOPT_POSTFIELDS, $postFields);
   curl_setopt($ch, CURLOPT_HEADER, false);
   curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
   $buf = curl_exec ($ch);
   curl_close ($ch);

   $c = json_decode($buf);
   foreach ($c->results as $k => $comment) {
       $arr[] = array('id'        => $comment->commentId,
                      'parent_id' => $comment->parentThreadId,
                      'message'   => $comment->body,
                      'created'   => $comment->createdAt,
                      'createdBy' => $comment->createdByUsername);
   }
   return $arr;

}

/**

* Print the nested comments
* @param integer $parent - ID of the parent
* @param  array $comments_array - Array of all comments
* @return string - HTML of output
*/

function printNestedComment($parent, $comments_array) {

   foreach ($comments_array as $comment) {
       if($parent == $comment['parent_id']) {

' . "\n"; $html .= '
• ' . $comment['message'] . ' at ' . $comment['created'] . ' by ' . $comment['createdBy'] . ' - Reply
' . "\n" ;

           $html .= printNestedComment($comment['id'], $comments_array);

$html .= '

       }
   }
   return $html;