ARC2::mtime PHP Method

    static function mtime()
    {
        return microtime(true);
    }

 function query($q, $result_format = '', $src = '', $keep_bnode_ids = 0)
 {
     /* Parse query */
     ARC2::inc('SPARQLPlusParser');
     $p =& new ARC2_SPARQLPlusParser($this->a, $this);
     $p->parse($q, $src);
     $infos = $p->getQueryInfos();
     $infos['result_format'] = $result_format;
     if (!$p->getErrors()) {
         /* Check and execute query */
         $qt = $infos['query']['type'];
         if (!in_array($qt, array('select', 'ask', 'describe', 'construct', 'load', 'insert', 'delete'))) {
             return $this->addError('Unsupported query type "' . $qt . '"');
         }
         $t1 = ARC2::mtime();
         $r = array('result' => $this->runQuery($qt, $q));
         $t2 = ARC2::mtime();
         $r['query_time'] = $t2 - $t1;
         if ($result_format == 'raw') {
             return $r['result'];
         }
         if ($result_format == 'rows') {
             return $r['result']['rows'] ? $r['result']['rows'] : array();
         }
         if ($result_format == 'row') {
             return $r['result']['rows'] ? $r['result']['rows'][0] : array();
         }
         return $r;
     }
     return 0;
 }