linux下用PHP实现上传文件到服务器？

linux 下用PHP实现上传文件到服务器？
服务器软件为apache2
php.ini 中
upload_tmp_dir="/opt/lampp/apache2/htdocs/upload/"

upload 有读写权限
页面显示结果为：
Stored in: /tmp/phppkZB34
tmp同样拥有读写权限

但在tmp中找不到”phppkZB34“这个文件

回复内容：

linux 下用PHP实现上传文件到服务器？
服务器软件为apache2
php.ini 中
upload_tmp_dir="/opt/lampp/apache2/htdocs/upload/"

upload 有读写权限
页面显示结果为：
Stored in: /tmp/phppkZB34
tmp同样拥有读写权限

但在tmp中找不到”phppkZB34“这个文件

上传文件后你需要把 /tmp/phppkZB34 文件(使用move_uploaded_file函数)移动到你自己的目录中，会话结束后 /tmp/phppkZB34 会被删除。函数的使用方式自己去问度娘吧

phpReturn
";
    }else if ((($_FILES["file"]["type"] == "image/gif")
        || ($_FILES["file"]["type"] == "image/jpeg")
        || ($_FILES["file"]["type"] == "image/pjpeg")
        || ($_FILES["file"]["type"] == "image/png"))
        && ($_FILES["file"]["size"] < (500*1024)))
      {
      if ($_FILES["file"]["error"] > 0)
        {
        echo "Return Code: " . $_FILES["file"]["error"] . "
";
        }
      else
        {
        echo "Image Details: 
";
        echo "
Upload: " . $_FILES["file"]["name"] . "
";
        echo "
Type: " . $_FILES["file"]["type"] . "
";
        echo "
Size: " . ($_FILES["file"]["size"] / 1024) . " Kb.
";
        //echo "Temp file: " . $_FILES["file"]["tmp_name"] . "
";

        if (file_exists("upload/" .date('Ymd_'). $_FILES["file"]["name"])){
            echo "
".date('Ymd_').$_FILES["file"]["name"]." already exists. 
Fail to Upload.
";
            echo "Click HERE to check.";
            }else{
              move_uploaded_file($_FILES["file"]["tmp_name"], "upload/" .date('Ymd_'). $_FILES["file"]["name"]);
              echo "
Stored in: " . "upload/" .date('Ymd_'). $_FILES["file"]["name"].".
";
              echo "
Permanent Link: ". "upload/" .date('Ymd_'). $_FILES["file"]["name"]."
";
              echo "
";
          }
        }
      }
    else
      {
      echo "
Invalid file. 
Only png/jpeg/jpg/gif files under 500Kb can be uploaded here.
";
      }
?>

我写的，供参考。