TYPO3 / TYPO3.CMS

            // Hook to implement login failure tracking methods

            $_params = [];

            $sleep = true;

            foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['postLoginFailureProcessing'] ?? [] as $_funcRef) {

                GeneralUtility::callUserFunction($_funcRef, $_params, $this);

                $sleep = false;

            }

            if ($sleep) {

                // No hooks were triggered - default login failure behavior is to sleep 5 seconds

    public function checkEnableFields($row, $bypassGroupCheck = false)

    {

        $_params = ['pObj' => $this, 'row' => &$row, 'bypassGroupCheck' => &$bypassGroupCheck];

        foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/class.tslib_fe.php']['hook_checkEnableFields'] ?? [] as $_funcRef) {

            // Call hooks: If one returns FALSE, method execution is aborted with result "This record is not available"

            $return = GeneralUtility::callUserFunction($_funcRef, $_params, $this);

            if ($return === false) {

                return false;

            }

        }

        if ((!$row['hidden'] || $this->showHiddenPage) && $row['starttime'] <= $GLOBALS['SIM_ACCESS_TIME'] && ($row['endtime'] == 0 || $row['endtime'] > $GLOBALS['SIM_ACCESS_TIME']) && ($bypassGroupCheck || $this->checkPageGroupAccess($row))) {

            return true;

        }