getTimestamp does not return false

Specify a few array func info entries (#7425)

Add support for generating MAY_BE_ARRAY_OF_REF func info flag (#7416)

Fix a few ext/date return types

Generate optimizer func info from stubs for ext/date (#7403)

Deprecate strftime() and gmstrftime()

These are deprecated in favor of date()/DateTime::format() (for
locale-indendent formatting) and IntlDateFormatter::format()
(for locale-depende

Deprecate strftime() and gmstrftime()

These are deprecated in favor of date()/DateTime::format() (for
locale-indendent formatting) and IntlDateFormatter::format()
(for locale-dependent formatting).

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

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Deprecate date_sunrise() and date_sunset()

date_sunrise() and date_sunset() are deprecated in favor of
date_sun_info().

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

Add support for tentative return types of internal methods

RFC: https://wiki.php.net/rfc/internal_method_return_types

Closses GH-6971

Implicitly enable function entry generation when class entry generation is enabled

Closes GH-6675

Generate class entries for a few extensions

Relates to GH-6644

Sync date_diff and DateTime::diff return type

This function/method cannot return false.

Fix return type of DateTimeImmutable::__set_state()

DateTime*::getOffset() no longer returns false as of PHP 8.0.0

Cf. <https://github.com/php/doc-en/pull/282>.

Closes GH-6539.

Revert "DateTime:: and DateTimeImmutable::getTimestamp() may return false"

This reverts commit b67c23218950eae0a153b093dcefbe14b3b40901.

DateTime:: and DateTimeImmutable::getTimestamp() may return false

Fix ext/date stubs

Closes GH-6523.

Require stubs to declare return types for magic methods when possible

Closes GH-6376

Verify parameter names of function aliases

Closes GH-6335

Improve parameter names in ext/intl

Closes GH-6309

Add some ValueErrors to ext/date

Closes GH-5613

Add another round of missing parameter types to stubs

Closes GH-5950

Last pass of 'More consistent parameter names for date/time functions'

Another pass of improving ext/date argument names

More consistent parameter names for date/time functions

Add missing param to DatePeriod::__construct()

The signature is very overloaded, but takes at most four params,
not three.