The function preserves words, so the result might be a bit shorter or
longer than the number of characters given. It strips all tags.
public static substr ( string $strString, integer $intNumberOfChars, string $strEllipsis = ' …' ) : string | ||
$strString | string | The string to shorten |
$intNumberOfChars | integer | The target number of characters |
$strEllipsis | string | An optional ellipsis to append to the shortened string |
리턴 | string | The shortened string |
/** * Shorten a string to a given number of characters. * * The function preserves words, so the result might be a bit shorter or * longer than the number of characters given. It strips all tags. * * @param string $strString The string to shorten. * @param integer $intNumberOfChars The target number of characters. * @param string $strEllipsis An optional ellipsis to append to the shortened string. * * @return string The shortened string */ public static function substr($strString, $intNumberOfChars, $strEllipsis = ' …') { if (self::isStringUtilAvailable()) { return StringUtil::substr($strString, $intNumberOfChars, $strEllipsis); } return \Contao\String::substr($strString, $intNumberOfChars, $strEllipsis); }
/** * Add a list of versions to a template * * @param BackendTemplate|object $objTemplate */ public static function addToTemplate(BackendTemplate $objTemplate) { $arrVersions = array(); $objUser = \BackendUser::getInstance(); $objDatabase = \Database::getInstance(); // Get the total number of versions $objTotal = $objDatabase->prepare("SELECT COUNT(*) AS count FROM tl_version WHERE version>1" . (!$objUser->isAdmin ? " AND userid=?" : ""))->execute($objUser->id); $intLast = ceil($objTotal->count / 30); $intPage = \Input::get('vp') !== null ? \Input::get('vp') : 1; $intOffset = ($intPage - 1) * 30; // Validate the page number if ($intPage < 1 || $intLast > 0 && $intPage > $intLast) { header('HTTP/1.1 404 Not Found'); } // Create the pagination menu $objPagination = new \Pagination($objTotal->count, 30, 7, 'vp', new \BackendTemplate('be_pagination')); $objTemplate->pagination = $objPagination->generate(); // Get the versions $objVersions = $objDatabase->prepare("SELECT pid, tstamp, version, fromTable, username, userid, description, editUrl, active FROM tl_version" . (!$objUser->isAdmin ? " WHERE userid=?" : "") . " ORDER BY tstamp DESC, pid, version DESC")->limit(30, $intOffset)->execute($objUser->id); while ($objVersions->next()) { $arrRow = $objVersions->row(); // Add some parameters $arrRow['from'] = max($objVersions->version - 1, 1); // see #4828 $arrRow['to'] = $objVersions->version; $arrRow['date'] = date(\Config::get('datimFormat'), $objVersions->tstamp); $arrRow['description'] = \StringUtil::substr($arrRow['description'], 32); $arrRow['shortTable'] = \StringUtil::substr($arrRow['fromTable'], 18); // see #5769 if ($arrRow['editUrl'] != '') { $arrRow['editUrl'] = preg_replace('/&(amp;)?rt=[^&]+/', '&rt=' . REQUEST_TOKEN, ampersand($arrRow['editUrl'])); } $arrVersions[] = $arrRow; } $intCount = -1; $arrVersions = array_values($arrVersions); // Add the "even" and "odd" classes foreach ($arrVersions as $k => $v) { $arrVersions[$k]['class'] = ++$intCount % 2 == 0 ? 'even' : 'odd'; try { // Mark deleted versions (see #4336) $objDeleted = $objDatabase->prepare("SELECT COUNT(*) AS count FROM " . $v['fromTable'] . " WHERE id=?")->execute($v['pid']); $arrVersions[$k]['deleted'] = $objDeleted->count < 1; } catch (\Exception $e) { // Probably a disabled module --$intCount; unset($arrVersions[$k]); } } $objTemplate->versions = $arrVersions; }
/** * Prepare a text to be used in the meta description tag * * @param string $strText * * @return string */ protected function prepareMetaDescription($strText) { $strText = $this->replaceInsertTags($strText, false); $strText = strip_tags($strText); $strText = str_replace("\n", ' ', $strText); $strText = \StringUtil::substr($strText, 180); return trim($strText); }
/** * Generate the module * * @return string */ public function run() { if (!\Config::get('enableSearch')) { return ''; } $time = time(); /** @var BackendTemplate|object $objTemplate */ $objTemplate = new \BackendTemplate('be_rebuild_index'); $objTemplate->action = ampersand(\Environment::get('request')); $objTemplate->indexHeadline = $GLOBALS['TL_LANG']['tl_maintenance']['searchIndex']; $objTemplate->isActive = $this->isActive(); // Add the error message if ($_SESSION['REBUILD_INDEX_ERROR'] != '') { $objTemplate->indexMessage = $_SESSION['REBUILD_INDEX_ERROR']; $_SESSION['REBUILD_INDEX_ERROR'] = ''; } // Rebuild the index if (\Input::get('act') == 'index') { // Check the request token (see #4007) if (!isset($_GET['rt']) || !\RequestToken::validate(\Input::get('rt'))) { /** @var SessionInterface $objSession */ $objSession = \System::getContainer()->get('session'); $objSession->set('INVALID_TOKEN_URL', \Environment::get('request')); $this->redirect('contao/confirm.php'); } $arrPages = $this->findSearchablePages(); // HOOK: take additional pages if (isset($GLOBALS['TL_HOOKS']['getSearchablePages']) && is_array($GLOBALS['TL_HOOKS']['getSearchablePages'])) { foreach ($GLOBALS['TL_HOOKS']['getSearchablePages'] as $callback) { $this->import($callback[0]); $arrPages = $this->{$callback[0]}->{$callback[1]}($arrPages); } } // Return if there are no pages if (empty($arrPages)) { $_SESSION['REBUILD_INDEX_ERROR'] = $GLOBALS['TL_LANG']['tl_maintenance']['noSearchable']; $this->redirect($this->getReferer()); } // Truncate the search tables $this->import('Automator'); $this->Automator->purgeSearchTables(); // Hide unpublished elements $this->setCookie('FE_PREVIEW', 0, $time - 86400); // Calculate the hash $strHash = $this->getSessionHash('FE_USER_AUTH'); // Remove old sessions $this->Database->prepare("DELETE FROM tl_session WHERE tstamp<? OR hash=?")->execute($time - \Config::get('sessionTimeout'), $strHash); // Log in the front end user if (is_numeric(\Input::get('user')) && \Input::get('user') > 0) { // Insert a new session $this->Database->prepare("INSERT INTO tl_session (pid, tstamp, name, sessionID, ip, hash) VALUES (?, ?, ?, ?, ?, ?)")->execute(\Input::get('user'), $time, 'FE_USER_AUTH', \System::getContainer()->get('session')->getId(), \Environment::get('ip'), $strHash); // Set the cookie $this->setCookie('FE_USER_AUTH', $strHash, $time + \Config::get('sessionTimeout'), null, null, false, true); } else { // Unset the cookies $this->setCookie('FE_USER_AUTH', $strHash, $time - 86400, null, null, false, true); $this->setCookie('FE_AUTO_LOGIN', \Input::cookie('FE_AUTO_LOGIN'), $time - 86400, null, null, false, true); } $strBuffer = ''; $rand = rand(); // Display the pages for ($i = 0, $c = count($arrPages); $i < $c; $i++) { $strBuffer .= '<span class="page_url" data-url="' . $arrPages[$i] . '#' . $rand . $i . '">' . \StringUtil::substr($arrPages[$i], 100) . '</span><br>'; unset($arrPages[$i]); // see #5681 } $objTemplate->content = $strBuffer; $objTemplate->note = $GLOBALS['TL_LANG']['tl_maintenance']['indexNote']; $objTemplate->loading = $GLOBALS['TL_LANG']['tl_maintenance']['indexLoading']; $objTemplate->complete = $GLOBALS['TL_LANG']['tl_maintenance']['indexComplete']; $objTemplate->indexContinue = $GLOBALS['TL_LANG']['MSC']['continue']; $objTemplate->theme = \Backend::getTheme(); $objTemplate->isRunning = true; return $objTemplate->parse(); } $arrUser = array('' => '-'); // Get active front end users $objUser = $this->Database->execute("SELECT id, username FROM tl_member WHERE disable!='1' AND (start='' OR start<='{$time}') AND (stop='' OR stop>'" . ($time + 60) . "') ORDER BY username"); while ($objUser->next()) { $arrUser[$objUser->id] = $objUser->username . ' (' . $objUser->id . ')'; } // Default variables $objTemplate->user = $arrUser; $objTemplate->indexLabel = $GLOBALS['TL_LANG']['tl_maintenance']['frontendUser'][0]; $objTemplate->indexHelp = \Config::get('showHelp') && strlen($GLOBALS['TL_LANG']['tl_maintenance']['frontendUser'][1]) ? $GLOBALS['TL_LANG']['tl_maintenance']['frontendUser'][1] : ''; $objTemplate->indexSubmit = $GLOBALS['TL_LANG']['tl_maintenance']['indexSubmit']; return $objTemplate->parse(); }