title: json_decode in php
body: <p>I want to use json_decode to this json file but something is going wrong. It was working fine a few days ago but now returns NULL. </p>
  
  <pre><code>&lt;?php 
  
  $url = 'http://opendata.diavgeia.gov.gr/api/decisions?org=eot&amp;output=json'; 
  
  
  function works2($url) 
  { 
     $opts = array( 
       'http'=&gt;array( 
         'method'=&gt;"GET", 
         'header'=&gt;"Connection:Keep-Alive\r\nAccept:*/*\r\n" 
       ) 
     ); 
  
     $context = stream_context_create($opts); 
     $retstr = file_get_contents($url,false,$context); 
     return $retstr; 
  } 
  
  
  var_dump(json_decode(works2($url)));
  ?&gt;
  </code></pre>
  
  <p>Could anyone help me?</p>