Html::changeProgressBarPosition PHP Method

    static function changeProgressBarPosition($crt, $tot, $msg = "")
    {
        $options = array();
        if (!$tot) {
            $options['percent'] = 0;
        } else {
            if ($crt > $tot) {
                $options['percent'] = 100;
            } else {
                $options['percent'] = 100 * $crt / $tot;
            }
        }
        if ($msg != "") {
            $options['message'] = $msg;
        }
        self::progressBar('doaction_progress', $options);
        self::glpi_flush();
    }

 /**
  * @see RuleCollection::replayRulesOnExistingDB()
  **/
 function replayRulesOnExistingDB($offset = 0, $maxtime = 0, $items = array(), $params = array())
 {
     global $DB;
     if (isCommandLine()) {
         echo "replayRulesOnExistingDB started : " . date("r") . "\n";
     }
     $nb = 0;
     $i = $offset;
     if (count($items) == 0) {
         //Select all the differents software
         $sql = "SELECT DISTINCT `glpi_softwares`.`name`,\n                        `glpi_manufacturers`.`name` AS manufacturer,\n                        `glpi_softwares`.`manufacturers_id` AS manufacturers_id,\n                        `glpi_softwares`.`entities_id` AS entities_id,\n                        `glpi_softwares`.`is_helpdesk_visible` AS helpdesk\n                 FROM `glpi_softwares`\n                 LEFT JOIN `glpi_manufacturers`\n                     ON (`glpi_manufacturers`.`id` = `glpi_softwares`.`manufacturers_id`)";
         // Do not replay on dustbin and templates
         $sql .= "WHERE `glpi_softwares`.`is_deleted` = '0'\n                        AND `glpi_softwares`.`is_template` = '0' ";
         if (isset($params['manufacturer']) && $params['manufacturer']) {
             $sql .= " AND `glpi_softwares`.`manufacturers_id` = '" . $params['manufacturer'] . "'";
         }
         if ($offset) {
             $sql .= " LIMIT " . intval($offset) . ",999999999";
         }
         $res = $DB->query($sql);
         $nb = $DB->numrows($res) + $offset;
         $step = $nb > 1000 ? 50 : ($nb > 20 ? floor($DB->numrows($res) / 20) : 1);
         while ($input = $DB->fetch_assoc($res)) {
             if (!($i % $step)) {
                 if (isCommandLine()) {
                     printf(__('%1$s - replay rules on existing database: %2$s/%3$s (%4$s Mio)') . "\n", date("H:i:s"), $i, $nb, round(memory_get_usage() / (1024 * 1024), 2));
                 } else {
                     Html::changeProgressBarPosition($i, $nb, "{$i} / {$nb}");
                 }
             }
             //If manufacturer is set, then first run the manufacturer's dictionnary
             if (isset($input["manufacturer"])) {
                 $input["manufacturer"] = Manufacturer::processName(addslashes($input["manufacturer"]));
             }
             //Replay software dictionnary rules
             $res_rule = $this->processAllRules($input, array(), array());
             if (isset($res_rule["name"]) && $res_rule["name"] != $input["name"] || isset($res_rule["version"]) && $res_rule["version"] != '' || isset($res_rule['new_entities_id']) && $res_rule['new_entities_id'] != $input['entities_id'] || isset($res_rule['is_helpdesk_visible']) && $res_rule['is_helpdesk_visible'] != $input['helpdesk'] || isset($res_rule['manufacturer']) && $res_rule['manufacturer'] != $input['manufacturer']) {
                 $IDs = array();
                 //Find all the softwares in the database with the same name and manufacturer
                 $sql = "SELECT `id`\n                       FROM `glpi_softwares`\n                       WHERE `name` = '" . $input["name"] . "'\n                             AND `manufacturers_id` = '" . $input["manufacturers_id"] . "'";
                 $res_soft = $DB->query($sql);
                 if ($DB->numrows($res_soft) > 0) {
                     //Store all the software's IDs in an array
                     while ($result = $DB->fetch_assoc($res_soft)) {
                         $IDs[] = $result["id"];
                     }
                     //Replay dictionnary on all the softwares
                     $this->replayDictionnaryOnSoftwaresByID($IDs, $res_rule);
                 }
             }
             $i++;
             if ($maxtime) {
                 $crt = explode(" ", microtime());
                 if ($crt[0] + $crt[1] > $maxtime) {
                     break;
                 }
             }
         }
         // each distinct software
         if (isCommandLine()) {
             printf(__('Replay rules on existing database: %1$s/%2$s') . "   \n", $i, $nb);
         } else {
             Html::changeProgressBarPosition($i, $nb, "{$i} / {$nb}");
         }
     } else {
         $this->replayDictionnaryOnSoftwaresByID($items);
         return true;
     }
     if (isCommandLine()) {
         printf(__('Replay rules on existing database ended on %s') . "\n", date("r"));
     }
     return $i == $nb ? -1 : $i;
 }