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 |
| Результат | 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();
}
