PHP CSession::keyExists方法代码示例

 protected function doAction()
 {
     $data = ['theme' => getUserTheme(CWebUser::$data), 'messages' => []];
     if (CSession::keyExists('messages')) {
         $data['messages'] = CSession::getValue('messages');
         CSession::unsetValue(['messages']);
     }
     $this->setResponse(new CControllerResponseData($data));
 }

function local_showMessage()
{
    global $ZBX_MESSAGES;
    if (CSession::keyExists('messageOk') || CSession::keyExists('messageError')) {
        if (CSession::keyExists('messages')) {
            $ZBX_MESSAGES = CSession::getValue('messages');
            CSession::unsetValue(['messages']);
        }
        if (CSession::keyExists('messageOk')) {
            show_messages(true, CSession::getValue('messageOk'));
        } else {
            show_messages(false, null, CSession::getValue('messageError'));
        }
        CSession::unsetValue(['messageOk', 'messageError']);
    }
}

            $ico = imageThumb($ico, $width, $height);
        }
        $w = imagesx($ico);
        $h = imagesy($ico);
        $css .= 'div.sysmap_iconid_' . $image['imageid'] . '{' . ' height: ' . $h . 'px;' . ' width: ' . $w . 'px;' . ' background: url("imgstore.php?iconid=' . $image['imageid'] . '&width=' . $w . '&height=' . $h . '") no-repeat center center;}' . "\n";
    }
    echo $css;
} elseif (isset($_REQUEST['iconid'])) {
    $iconid = getRequest('iconid', 0);
    if ($iconid > 0) {
        $image = get_image_by_imageid($iconid);
        $source = $image['image'] ? imageFromString($image['image']) : get_default_image();
    } else {
        $source = get_default_image();
    }
    if ($resize) {
        $source = imageThumb($source, $width, $height);
    }
    imageOut($source);
} elseif (isset($_REQUEST['imageid'])) {
    $imageid = getRequest('imageid', 0);
    if (CSession::keyExists('image_id')) {
        $image_data = CSession::getValue('image_id');
        if (array_key_exists($imageid, $image_data)) {
            echo $image_data[$imageid];
            unset($image_data[$imageid]);
            CSession::setValue('image_id', $image_data);
        }
    }
}
require_once dirname(__FILE__) . '/include/page_footer.php';

define('PAGE_HEADER_LOADED', 1);
if (defined('ZBX_PAGE_NO_HEADER')) {
    return null;
}
// checking messages from MVC pages
$message_good = null;
$message_ok = null;
$message_error = null;
$messages = [];
// this code show messages generated by MVC pages
if (CSession::keyExists('messageOk') || CSession::keyExists('messageError')) {
    if (CSession::keyExists('messages')) {
        $messages = CSession::getValue('messages');
        CSession::unsetValue(['messages']);
    }
    if (CSession::keyExists('messageOk')) {
        $message_good = true;
        $message_ok = CSession::getValue('messageOk');
    } else {
        $message_good = false;
        $message_error = CSession::getValue('messageError');
    }
    CSession::unsetValue(['messageOk', 'messageError']);
}
if (!defined('ZBX_PAGE_NO_MENU')) {
    $pageMenu = new CView('layout.htmlpage.menu', ['server_name' => isset($ZBX_SERVER_NAME) ? $ZBX_SERVER_NAME : '', 'menu' => ['main_menu' => $main_menu, 'sub_menus' => $sub_menus, 'selected' => $page['menu']], 'user' => ['is_guest' => CWebUser::isGuest(), 'alias' => CWebUser::$data['alias'], 'name' => CWebUser::$data['name'], 'surname' => CWebUser::$data['surname']]]);
    echo $pageMenu->getOutput();
}
if ($page['type'] == PAGE_TYPE_HTML) {
    echo '<div class="' . ZBX_STYLE_ARTICLE . '">';
}

 function getConfig($name, $default = null)
 {
     return CSession::keyExists($name) ? CSession::getValue($name) : $default;
 }

** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
**/
require_once dirname(__FILE__) . '/include/classes/core/Z.php';
$page['file'] = 'setup.php';
try {
    Z::getInstance()->run(ZBase::EXEC_MODE_SETUP);
} catch (Exception $e) {
    (new CView('general.warning', ['header' => $e->getMessage(), 'messages' => [], 'theme' => ZBX_DEFAULT_THEME]))->render();
    exit;
}
// VAR	TYPE	OPTIONAL	FLAGS	VALIDATION	EXCEPTION
$fields = ['type' => [T_ZBX_STR, O_OPT, null, IN('"' . ZBX_DB_MYSQL . '","' . ZBX_DB_POSTGRESQL . '","' . ZBX_DB_ORACLE . '","' . ZBX_DB_DB2 . '","' . ZBX_DB_SQLITE3 . '"'), null], 'server' => [T_ZBX_STR, O_OPT, null, null, null], 'port' => [T_ZBX_INT, O_OPT, null, BETWEEN(0, 65535), null, _('Database port')], 'database' => [T_ZBX_STR, O_OPT, null, NOT_EMPTY, null, _('Database name')], 'user' => [T_ZBX_STR, O_OPT, null, null, null], 'password' => [T_ZBX_STR, O_OPT, null, null, null], 'schema' => [T_ZBX_STR, O_OPT, null, null, null], 'zbx_server' => [T_ZBX_STR, O_OPT, null, null, null], 'zbx_server_name' => [T_ZBX_STR, O_OPT, null, null, null], 'zbx_server_port' => [T_ZBX_INT, O_OPT, null, BETWEEN(0, 65535), null, _('Port')], 'save_config' => [T_ZBX_STR, O_OPT, P_SYS, null, null], 'retry' => [T_ZBX_STR, O_OPT, P_SYS, null, null], 'cancel' => [T_ZBX_STR, O_OPT, P_SYS, null, null], 'finish' => [T_ZBX_STR, O_OPT, P_SYS, null, null], 'next' => [T_ZBX_STR, O_OPT, P_SYS, null, null], 'back' => [T_ZBX_STR, O_OPT, P_SYS, null, null]];
CSession::start();
CSession::setValue('check_fields_result', check_fields($fields, false));
if (!CSession::keyExists('step')) {
    CSession::setValue('step', 0);
}
// if a guest or a non-super admin user is logged in
if (CWebUser::$data && CWebUser::getType() < USER_TYPE_SUPER_ADMIN) {
    // on the last step of the setup we always have a guest user logged in;
    // when he presses the "Finish" button he must be redirected to the login screen
    if (CWebUser::isGuest() && CSession::getValue('step') == 5 && hasRequest('finish')) {
        CSession::clear();
        redirect('index.php');
    } elseif (!(CWebUser::isGuest() && CSession::getValue('step') == 5)) {
        access_deny(ACCESS_DENY_PAGE);
    }
} elseif (hasRequest('cancel') || hasRequest('finish')) {
    CSession::clear();
    redirect('index.php');

         }
     }
     array_multisort($sortClock, SORT_ASC, $sortEvent, SORT_ASC, $result);
     break;
 case 'message.closeAll':
     $msgsettings = getMessageSettings();
     switch (strtolower($data['params']['caption'])) {
         case 'events':
             $msgsettings['last.clock'] = (int) $data['params']['time'] + 1;
             updateMessageSettings($msgsettings);
             break;
     }
     break;
 case 'zabbix.status':
     CSession::start();
     if (!CSession::keyExists('serverCheckResult') || CSession::getValue('serverCheckTime') + SERVER_CHECK_INTERVAL <= time()) {
         $zabbixServer = new CZabbixServer($ZBX_SERVER, $ZBX_SERVER_PORT, ZBX_SOCKET_TIMEOUT, 0);
         CSession::setValue('serverCheckResult', $zabbixServer->isRunning());
         CSession::setValue('serverCheckTime', time());
     }
     $result = ['result' => (bool) CSession::getValue('serverCheckResult'), 'message' => CSession::getValue('serverCheckResult') ? '' : _('Zabbix server is not running: the information displayed may not be current.')];
     break;
 case 'screen.get':
     $result = '';
     $screenBase = CScreenBuilder::getScreen($data);
     if ($screenBase !== null) {
         $screen = $screenBase->get();
         if ($data['mode'] == SCREEN_MODE_JS) {
             $result = $screen;
         } else {
             if (is_object($screen)) {

 /**
  * Validate input parameters.
  *
  * @return var
  */
 public function validateInput($validationRules)
 {
     if (CSession::keyExists('formData')) {
         $input = array_merge($_REQUEST, CSession::getValue('formData'));
         CSession::unsetValue(['formData']);
     } else {
         $input = $_REQUEST;
     }
     $validator = new CNewValidator($input, $validationRules);
     foreach ($validator->getAllErrors() as $error) {
         info($error);
     }
     if ($validator->isErrorFatal()) {
         $this->validationResult = self::VALIDATION_FATAL_ERROR;
     } else {
         if ($validator->isError()) {
             $this->input = $validator->getValidInput();
             $this->validationResult = self::VALIDATION_ERROR;
         } else {
             $this->input = $validator->getValidInput();
             $this->validationResult = self::VALIDATION_OK;
         }
     }
     return $this->validationResult == self::VALIDATION_OK;
 }