PHP swfupload图片上传的实例代码

php代码如下：

if (isset($_files["filedata"]) || !is_uploaded_file($_files["filedata"]["tmp_name"]) || $_files["filedata"]["error"] != 0) {
    $upload_file = $_files['filedata'];
    $file_info   = pathinfo($upload_file['name']);
    $file_type   = $file_info['extension'];
    $save        = 'image/' . md5(uniqid($_files["filedata"]['name'])) . '.' . $file_info['extension'];
    $name        = $_files['filedata']['tmp_name'];

    if (!move_uploaded_file($name, $save)) {
        exit;
    }

    //将数组的输出存起来以供查看
    $filename = 'test.txt';
    $postdata = var_export($file_info, true);
    $file     = fopen('' . $filename, "w");
    fwrite($file,$postdata);
    fclose($file);
}