$data = array(
    "hidden" => "0",
    "sortDir" => "desc"
);

$curl = curl_init( "http://pw-phoenix.com/forum/api/index.php?/forums/topics/". $IntID . "&" . http_build_query($data) );
curl_setopt_array( $curl, array(
    CURLOPT_RETURNTRANSFER  => TRUE,
    CURLOPT_HTTPAUTH    => CURLAUTH_BASIC,
    CURLOPT_USERPWD     => "---API KEY---",

) );

$LstResponse = json_decode( curl_exec( $curl ) );
return $LstResponse->results[0]->date;