<?php
  $url = 'http://praktika1.cs.tlu.ee:8888/';
  $data=[];
  $fields=array("text", "csrfmiddlewaretoken", "n_gram", "maatriks");
foreach($fields as $field){
  if(isSet($_REQUEST[$field])){
     //$data = array('text' => $_REQUEST["text"]);
     $data[$field]=$_REQUEST[$field];
  }
}
  $options = array(
    'http' => array(
        'header'  => "Content-type: application/x-www-form-urlencoded\r\n",
        'method'  => ((count($data)>0) ? "POST" : "GET"),
        'content' => http_build_query($data)
    )
);
$context  = stream_context_create($options);
$result = file_get_contents($url, false, $context);
if ($result === FALSE) { echo "Viga"; }
else {echo $result;}