class RingBuffer implements ArrayAccess

getAliases()

string format(DateTime $dateTime, int $length)

string getReverseMatchingRegExp(int $length) Returns a reverse matching regular expression of

class LanguageDataProvider Data provider for language-related ICU data.

bool asort(array $array, int $sortFlag = self::SORT_REGULAR) Sort array maintaining index association

string getDate() Returns the date of the commit.

Filesystem getFilesystem()

Classes Collator

string|null getScriptName(string $script, string $language = null, string $displayLocale = null)