Declare the missing true return types (#13709)

Deprecate calling IntlCalendar::set() with more than 2 arguments and intlcal_set()

Typed constants in Intl extenstion (#12360)

Implement IntlGregorianCalendar::createFromDate() and IntlGregorianCalendar::createFromDateTime()

Add IntlCalendar::setDate() and IntlCalendar::setDateTime()

Narrow bool return types to true when possible

Declare ext/intl constants in stubs - part 11 (#9281)

Fix GH-7939: Cannot unserialize IntlTimeZone objects

As it is now, `IntlTimeZone`, `IntlCalendar` and `IntlDateFormatter`
and some other intl class instances can be serialized, but the

Fix GH-7939: Cannot unserialize IntlTimeZone objects

As it is now, `IntlTimeZone`, `IntlCalendar` and `IntlDateFormatter`
and some other intl class instances can be serialized, but the
representation is meaningless, and unserialization yields uninitialized/
unusable objects. To prevent users from noticing this too late, we deny
serialization of such objects in the first place.

Closes GH-7945.

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Add more specific array return type hints for various extensions - part 2

ext/ftp, ext/gmp, ext/intl

Closes GH-7433

Make IntlCalendar::roll() return type tentative

This method did not have a type in PHP 8.0 and is not final, so
the new return type should be tentative.

Declare tentative return types for ext/intl (#6986)

Generate ext/intl class entries from stubs

Closes GH-6670

Sync intlcal_create_instance() and IntlCalendar::createInstance()

Remove the explicit mention of IntlGregorianCalendar in the latter.
It is a subclass of IntlCalendar, and as such covere

Sync intlcal_create_instance() and IntlCalendar::createInstance()

Remove the explicit mention of IntlGregorianCalendar in the latter.
It is a subclass of IntlCalendar, and as such covered if only
IntlCalendar is used as the return type.

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Verify parameter names of function aliases

Closes GH-6335

Improve parameter names in ext/intl

Closes GH-6309

Add more precise type info for stubs

Closes GH-6005

Add another round of missing parameter types to stubs

Closes GH-5950

Warning to ValueError promotion in Intl extension Part 1

Affects:
- IntlCalendar
- IntlGregorianCalendar
- IntlBreakIterator

Closes GH-5669

Fix IntlGregorianCalendar constructor signature

Give these conversative UNKNOWN defaults and no types, as the
overload is something of a mess.

Generate method entries for ext/intl

Closes GH-5370

Do not include the same stub multiple times

Closes GH-5322

Revert "Replace @param annotations with type declarations"

This reverts commit c31029f335ca1b453af799805c43c37e959ad555.

Replace @param annotations with type declarations

Add stubs for IntlCalendar

Closes GH-4846