<?php
//fixed so that the script works with php 4.x, and actually works as expected

$data=$_POST['value'];

if ($data){
 $autocomplete=array();
 $query=iconv("UTF-8", "ISO-8859-1", rawurlencode($data));
 $returns=file_get_contents('http://sru.bibsys.no/services/sru?operation=searchRetrieve&version=1.1&query=%28tittel=%22'.$query.'?%22%29%20OR%20%28forfatter=%22'.$query.'?%22%29&recordSchema=info:srw/schema/1/marcxml-v1.1&maximumRecords=5&startRecord=1');
 $match_pattern='/"a">('.$data.'.*?)[<|\/|:]/i'; 
 preg_match_all($match_pattern,$returns,$matches);
 if (empty($matches[1])) {return;}
 else {
        for ($myKey=0; $myKey<count($matches[1]); $myKey++){
        if (in_array($matches[1][$myKey],$autocomplete)) {continue;}
        else { array_push($autocomplete,html_entity_decode(trim(str_replace('&apos;','\'',$matches[1][$myKey]))));}

       }
 }
 for ($xi=0; $xi<count($autocomplete); $xi++){
       $json=$json.'"'.$autocomplete[$xi].'",';
     }
 $json=('['.$json).']';
 $json=str_replace(',]',']',$json);
 header('Content-type: application/json; charset=utf-8');
 echo($json);
}
?>