新函数 Date DatePeriod::createFromISO8601String() DOM DOMElement::getAttributeNames() DOMElement::insertAdjacentElement() DOMElement::insertAdjacentText() DOMElement::toggleAttribute() DOMNode::contains() DOMNode::getRootNode() DOMNode::isEqualNode() DOMParentNode::replaceChildren() Intl IntlCalendar::setDate() IntlCalendar::setDateTime() IntlGregorianCalendar::createFromDate() IntlGregorianCalendar::createFromDateTime() JSON json_validate() LDAP ldap_connect_wallet() ldap_exop_sync() MBString mb_str_pad() Posix posix_sysconf() posix_pathconf() posix_fpathconf() posix_eaccess() PostgreSQL pg_set_error_context_visibility() (libpq >= 9.6) Random Random\Randomizer::getBytesFromString() Random\Randomizer::nextFloat() Random\Randomizer::getFloat() Reflection ReflectionMethod::createFromMethodName() Sockets socket_atmark() 标准 str_increment() str_decrement() stream_context_set_options() Zip ZipArchive::getArchiveFlag()