PHP 同一个文件在不同目录下进行网络操作是否有区别？

代码如下

<?php

$mysql = new SaeMysql();
$sql = "SELECT * FROM ip";
$data = $mysql->getData( $sql );
$mysql->runSql($sql);
$mysql->closeDb();

function ping($url)
{
$url="http://".$url;
if(fopen($url,"r"))
{
return 1;
}else
{
return 0;
}
}
if (ping($data[0]['ip'])+ping($data[1]['ip']) < 2) {

}
else
{
echo "Server IS ok</br>";
}
if (ping($data[0]['ip']) + ping($data[1]['ip']) + ping($data[2]['ip']) + ping($data[3]['ip']) == 4) {
echo "Server IS ok</br>";
}

放在根目录执行没问题
子目录执行会报错

Parse error: syntax error, unexpected end of file in /data1/www/htdocs/580/aliyunapi/1/app/index.php on line 62

地址：
aliyunapi.sinaapp.com/app/index.php
和
aliyunapi.sinaapp.com/index.php
求帮忙解答。我的代码里没有涉及到目录操作啊