CommonDBTM::showDates PHP Method

    function showDates($options = array())
    {
        $isNewID = isset($options['withtemplate']) && $options['withtemplate'] == 2 || $this->isNewID($this->getID());
        if ($isNewID) {
            return true;
        }
        $date_creation_exists = $this->getField('date_creation') != NOT_AVAILABLE;
        $date_mod_exists = $this->getField('date_mod') != NOT_AVAILABLE;
        $colspan = $options['colspan'];
        if ((!isset($options['withtemplate']) || $options['withtemplate'] == 0) && !empty($this->fields['template_name'])) {
            $colspan = 1;
        }
        echo "<tr class='tab_bg_1 footerRow'>";
        //Display when it's not a new asset being created
        if ($date_creation_exists && $this->getID() > 0 && (!isset($options['withtemplate']) || $options['withtemplate'] == 0)) {
            echo "<th colspan='{$colspan}'>";
            printf(__('Created on %s'), Html::convDateTime($this->fields["date_creation"]));
            echo "</th>";
        } else {
            if (!isset($options['withtemplate']) || $options['withtemplate'] == 0) {
                echo "<th colspan='{$colspan}'>";
                echo "</th>";
            }
        }
        if (isset($options['withtemplate']) && $options['withtemplate']) {
            echo "<th colspan='{$colspan}'>";
            //TRANS: %s is the datetime of insertion
            printf(__('Created on %s'), Html::convDateTime($_SESSION["glpi_currenttime"]));
            echo "</th>";
        }
        if ($date_mod_exists) {
            echo "<th colspan='{$colspan}'>";
            //TRANS: %s is the datetime of update
            printf(__('Last update on %s'), Html::convDateTime($this->fields["date_mod"]));
            echo "</th>";
        } else {
            echo "<th colspan='{$colspan}'>";
            echo "</th>";
        }
        if ((!isset($options['withtemplate']) || $options['withtemplate'] == 0) && !empty($this->fields['template_name'])) {
            echo "<th colspan='" . $colspan * 2 . "'>";
            printf(__('Created from the template %s'), $this->fields['template_name']);
            echo "</th>";
        }
        echo "</tr>";
    }