Plesk relative path issues

What is the error?

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<?php phpinfo();

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Hi,

We would be able to assist you better if you could provide more details regarding the error and the steps followed by you. Whats the application name? Are you installing through browser? At which part its throwing the error?

Cheers!!!

I am trying to install Hypertable in my server. I have tested with "echo"  I get response above the require_once() function . When I put full path its's working. But it is not possible to put full path in everywhere.  I am trying to install it through browser. Here is the phpinfo().
http://indexdevice.com/test.php

What is the response you get? I don't see it printed here.

This may be helpful.  All of your web site originates in this root directory.  The relative paths will be "relative" to here.
$_SERVER["DOCUMENT_ROOT"]      /var/www/vhosts/indexdevice.com/httpdocs

At first my one line of code is like this

require_once '../php/ThriftClient.php';

I changed it like this

require_once '/var/www/vhosts/indexdevice.com/httpdocs/php/ThriftClient.php';
It's working at that point. But What I have to add for the following lines

$GLOBALS['THRIFT_ROOT'] = '/usr/local/thrift/thrift-0.8.0/lib/php/src';

require_once $GLOBALS['THRIFT_ROOT'].'/Thrift.php';

This is not working. How can I rewrite this lines.

ok thank you