Narrow bool return types to true when possible

ext/intl: dateformatter settimezone changes on success, returning true like setcalendar.

Closes GH-10790

Declare ext/intl constants in stubs - part 14 (#9387)

Declare ext/intl constants in stubs - part 2 (#9219)

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

ext/ftp, ext/gmp, ext/intl

Closes GH-7433

Fix default value of $flags in idn_to_ascii() and idn_to_utf8()

Declare a few missing function return types

Closes GH-7395

Remove null return type from msgfmt_parse_message()

This doesn't seem to possible. Only false is returned on failure.

Backport some intl stub changes from master

While we're not sure under what circumstances they would fail,
they're fallible on the implementation level.

Eliminate null return value for Normalizer::normalize()

One error condition was returning null instead of false. Adjust
the implementation to look the same way as the exact same check

Eliminate null return value for Normalizer::normalize()

One error condition was returning null instead of false. Adjust
the implementation to look the same way as the exact same check
a few lines below.

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

Make date/time type arguments of IntlDateFormatter ctor optional

Default them to IntlDateFormatter:FULL, which has value 0, which
was what you would get if you passed null to these argum

Make date/time type arguments of IntlDateFormatter ctor optional

Default them to IntlDateFormatter:FULL, which has value 0, which
was what you would get if you passed null to these arguments in
weak typing mode. The documentation called this ICU's default
date/time type.

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Add missing classes to stubs

Make NumberFormatter ctor $pattern nullable

Whether the pattern is needed depends on the used style. If no
pattern is needed, null is a more sensible value than an empty
string.

Make NumberFormatter ctor $pattern nullable

Whether the pattern is needed depends on the used style. If no
pattern is needed, null is a more sensible value than an empty
string.

fixup

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Make IntlDateFormatter ctor $pattern nullable

The implementation already made this argument nullable, but it
was not reflected in the stub.

Generate ext/intl class entries from stubs

Closes GH-6670

Verify parameter names of function aliases

Closes GH-6335

Improve parameter names in ext/intl

Closes GH-6309

More precise type information for datefmt_format()

Display types in stubs more uniformly

In preparation for generating method signatures for the manual.

This change gets rid of bogus false|null return types, a few unnecessary traili

Display types in stubs more uniformly

In preparation for generating method signatures for the manual.

This change gets rid of bogus false|null return types, a few unnecessary trailing backslashes, and settles on using ? when possible for nullable types.

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Declare array|int and object-of-class|int types in stubs

Closes GH-6081

Co-Authored-By: Nikita Popov <nikic@php.net>

Use ZPP instead of custom type checks

We can add these types as a native type declaration to stubs as a side-effect. Closes GH-6068

Add more precise type info for stubs

Closes GH-6005

Add another round of missing parameter types to stubs

Closes GH-5950

Add a bunch of missing argument types to stubs