All attributes that may contain URIs. The attributes 'code' and 'codebase' are omitted, because they only exist for the <applet>

public static Html::normalize($html) Normalizes

The complete theme registry array. File core/lib/Drupal/Core/Utility/ThemeRegistry.php, line 33

The token cache. Type:

public static Unicode::strlen($text) Counts

public static UrlHelper::isExternal($path) Determines

Provides a way to build external or non Drupal local domain URLs. It takes into account configured safe HTTP protocols.

ProjectInfo::processInfoList(array &$projects, array $list, $project_type

public static Unicode::validateUtf8($text) Checks

Indicates an error during check for PHP unicode support. File core/lib/Drupal/Component/Utility/Unicode