PHP Logic for Uploading Photo to Flickr

index.php

<?php

//Include phpFlickr
require_once("phpFlickr/phpFlickr.php");

$error=0;
$f = null;
if($_POST){
    if(!$_POST['name'] || !$_FILES["file"]["name"]){
        $error=1;
    }else{
        if ($_FILES["file"]["error"] > 0){
            echo "Error: " . $_FILES["file"]["error"] . "<br />";
        }else if($_FILES["file"]["type"] != "image/jpg" && $_FILES["file"]["type"] != "image/jpeg" && $_FILES["file"]["type"] != "image/png" && $_FILES["file"]["type"] != "image/gif"){
            $error = 3;
        }else if(intval($_FILES["file"]["size"]) > 525000){
            $error = 4;
        }else{
            $dir= dirname($_FILES["file"]["tmp_name"]);
            $newpath=$dir."/".$_FILES["file"]["name"];
            rename($_FILES["file"]["tmp_name"],$newpath);
            //Instantiate phpFlickr
            $status = uploadPhoto($newpath, $_POST["name"]);
            if(!$status) {
                $error = 2;
            }
         }
     }
}

function uploadPhoto($path, $title) {
    $apiKey = "__your__app__apikey__";
    $apiSecret = "__your__app__secret__";
    $permissions  = "write";
    $token        = "__your__generated__token__";

    $f = new phpFlickr($apiKey, $apiSecret, true);
    $f->setToken($token);
    return $f->async_upload($path, $title);
}
?>