apc_fectch()获取不到值解决办法

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Release: 2016-06-13 13:35:37
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apc_fectch()获取不到值
这是一个进度条的应用,apc的扩展我确定安装成功了.

PHP code
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-->$status=apc_fecth('upload_'.$_GET['key']);
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我用print_r输出$status,什么都没有显示,

前台返回的值是NAn,可我在后台没有其他乱七八糟的输出啊
PHP code
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-->
if(isset($_GET['key']))
{
    echo json_encode(getStatusAPC());
}
function getStatusAPC()
{
    $response=false;
    if($status = apc_fetch('upload_'.$_GET['key'])) {
        $response=apc_fetch('upload_'.$_GET['key']);
    }
    return $response;
}
if ($_SERVER['REQUEST_METHOD'] == 'POST'){
    $myfile=$_FILES['upfile'];
    echo $myfile['size'];
    echo $myfile['size'];
    print_r($myfile);
    $tempf=$myfile['tmp_name'];
    $name=$myfile['name'];
    move_uploaded_file($tempf,'up/'.$name);
}

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不知问题出在哪里?求教了

------解决方案--------------------
NAN表示这不是一个有效的数字。print_r($status); 无显示,说明没有值嘛
可以参考这篇文章核对一下你的前台代码 http://bioinfo.ustc.edu.cn/seagven/?p=250
------解决方案--------------------
确保,确实有这个key 'upload_'.$_GET['key']
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