function replace($photo, $photo_id, $async = null)
{
$upload_req = new HTTPRequest();
$upload_req->setMethod("POST");
$upload_req->setURL($this->Replace);
//$upload_req->clearPostData();
//Process arguments, including method and login data.
$args = array("api_key" => $this->api_key, "photo_id" => $photo_id, "async" => $async);
if (!empty($this->email)) {
$args = array_merge($args, array("email" => $this->email));
}
if (!empty($this->password)) {
$args = array_merge($args, array("password" => $this->password));
}
if (!empty($this->token)) {
$args = array_merge($args, array("auth_token" => $this->token));
} elseif (!empty($_SESSION['phpFlickr_auth_token'])) {
$args = array_merge($args, array("auth_token" => $_SESSION['phpFlickr_auth_token']));
}
ksort($args);
$auth_sig = "";
foreach ($args as $key => $data) {
if ($data !== null) {
$auth_sig .= $key . $data;
$upload_req->addPostData($key, $data);
}
}
if (!empty($this->secret)) {
$api_sig = md5($this->secret . $auth_sig);
$upload_req->addPostData("api_sig", $api_sig);
}
$photo = realpath($photo);
$result = $upload_req->addFile("photo", $photo);
//Send Requests
if ($upload_req->sendRequest()) {
$this->response = $upload_req->getResponseBody();
} else {
die("There has been a problem sending your command to the server.");
}
if ($async == 1) {
$find = 'ticketid';
} else {
$find = 'photoid';
}
$rsp = explode("\n", $this->response);
foreach ($rsp as $line) {
if (ereg('<err code="([0-9]+)" msg="(.*)"', $line, $match)) {
if ($this->die_on_error) {
die("The Flickr API returned the following error: #{$match[1]} - {$match[2]}");
} else {
$this->error_code = $match[1];
$this->error_msg = $match[2];
$this->parsed_response = false;
return false;
}
} elseif (ereg("<" . $find . ">(.*)</", $line, $match)) {
$this->error_code = false;
$this->error_msg = false;
return $match[1];
}
}
}