PMA\libraries\Response::getInstance PHP Method

    public static function getInstance()
    {
        if (empty(self::$_instance)) {
            self::$_instance = new Response();
        }
        return self::$_instance;
    }

/**
* Prints details about the current Git commit revision
*
* @return void
*/
function PMA_printGitRevision()
{
    if (!$GLOBALS['PMA_Config']->get('PMA_VERSION_GIT')) {
        $response = Response::getInstance();
        $response->setRequestStatus(false);
        return;
    }
    // load revision data from repo
    $GLOBALS['PMA_Config']->checkGitRevision();
    // if using a remote commit fast-forwarded, link to GitHub
    $commit_hash = substr($GLOBALS['PMA_Config']->get('PMA_VERSION_GIT_COMMITHASH'), 0, 7);
    $commit_hash = '<strong title="' . htmlspecialchars($GLOBALS['PMA_Config']->get('PMA_VERSION_GIT_MESSAGE')) . '">' . $commit_hash . '</strong>';
    if ($GLOBALS['PMA_Config']->get('PMA_VERSION_GIT_ISREMOTECOMMIT')) {
        $commit_hash = '<a href="' . PMA_linkURL('https://github.com/phpmyadmin/phpmyadmin/commit/' . $GLOBALS['PMA_Config']->get('PMA_VERSION_GIT_COMMITHASH')) . '" rel="noopener noreferrer" target="_blank">' . $commit_hash . '</a>';
    }
    $branch = $GLOBALS['PMA_Config']->get('PMA_VERSION_GIT_BRANCH');
    if ($GLOBALS['PMA_Config']->get('PMA_VERSION_GIT_ISREMOTEBRANCH')) {
        $branch = '<a href="' . PMA_linkURL('https://github.com/phpmyadmin/phpmyadmin/tree/' . $GLOBALS['PMA_Config']->get('PMA_VERSION_GIT_BRANCH')) . '" rel="noopener noreferrer" target="_blank">' . $branch . '</a>';
    }
    if ($branch !== false) {
        $branch = sprintf(__('%1$s from %2$s branch'), $commit_hash, $branch);
    } else {
        $branch = $commit_hash . ' (' . __('no branch') . ')';
    }
    $committer = $GLOBALS['PMA_Config']->get('PMA_VERSION_GIT_COMMITTER');
    $author = $GLOBALS['PMA_Config']->get('PMA_VERSION_GIT_AUTHOR');
    PMA_printListItem(__('Git revision:') . ' ' . $branch . ',<br /> ' . sprintf(__('committed on %1$s by %2$s'), PMA\libraries\Util::localisedDate(strtotime($committer['date'])), '<a href="' . PMA_linkURL('mailto:' . htmlspecialchars($committer['email'])) . '">' . htmlspecialchars($committer['name']) . '</a>') . ($author != $committer ? ', <br />' . sprintf(__('authored on %1$s by %2$s'), PMA\libraries\Util::localisedDate(strtotime($author['date'])), '<a href="' . PMA_linkURL('mailto:' . htmlspecialchars($author['email'])) . '">' . htmlspecialchars($author['name']) . '</a>') : ''), 'li_pma_version_git', null, null, null);
}