Breaking: #62670 - Removal of deprecated code in multiple sysexts

DBAL DatabaseConnection

All connection parameters (host, username, password, db) for methods sql_connect() and sql_select_db() are removed.

CSS Styled Content

The old frontend plugin file pi1/class.tx_cssstyledcontent_pi1.php is removed. Refer to Classes/Controller/CssStyledContentController.php instead.

Install Tool

The check for PHP's magic_quotes_gpc settings is removed, as the feature is disabled since PHP 5.4.

Removed files

• lang/lang.php is removed. You don't need to include this file anymore, just use \TYPO3\CMS\Lang\LanguageService directly.
• rtehtmlarea/htmlarea/plugins/DynamicCSS/dynamiccss.css is removed. The file was not used.

Removed PHP classes

• TYPO3CMSSchedulerTaskFileIndexingTask is removed without replacement.

Removed PHP class members

• TypoScriptFrontendController::$absRefPrefix_force is removed without replacement.

Removed PHP methods

• LanguageService::JScharCode is removed, use GeneralUtility::quoteJSvalue instead.
• ContentObjectRenderer::joinTSarrays is removed without replacement.
• TypoScriptFrontendController::tidyHTML is removed without replacement. You may use the tidy extension from TER.
• ElementBrowser::isWebFolder is removed without replacement.
• ElementBrowser::checkFolder is removed without replacement.
• AbstractDatabaseRecordList::getTreeObject is removed without replacement.
• FileList::dirData is removed without replacement.
• FilesContentObject::stdWrapValue is removed, use ContentObjectRenderer::stdWrapValue instead.
• ImportExportController::userTempFolder is removed, use getDefaultImportExportFolder instead.
• ImportExportController::userSaveFolder is removed, use getDefaultImportExportFolder instead.
• CrawlerHook::loadIndexerClass is removed without replacement.
• DatabaseIntegrityView::func_filesearch is removed without replacement.
• DatabaseIntegrityView::findFile is removed without replacement.
• RteHtmlAreaBase::buildStyleSheet is removed without replacement.
• RteHtmlAreaBase::loremIpsumInsert is removed without replacement.
• StagesService::checkCustomStagingForWS is removed without replacement.

Removed JS functions

• tx_rsaauth_encrypt is removed without replacement.
• tx_rsaauth_feencrypt is removed without replacement.