Use single line phpdoc in stubs where possible

Not serializable flag permeation

Indent stubs inside global namespace blocks (#7261)

Rename getStructFieldOffset/Type() parameter

By convention, parameter names of camel case methods should also
be camel case, i.e. the name should be $fieldName rather than
$field_nam

Rename getStructFieldOffset/Type() parameter

By convention, parameter names of camel case methods should also
be camel case, i.e. the name should be $fieldName rather than
$field_name.

However, following GH-7236, which changed $arg_index to just $index,
this also changes $field_name to just $name. The fact that it is
a field name is obvious from context.

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Rename FFI `getFuncArg*` to `getFuncParameter*`, $arg_index->$index (#7236)

PHP is already already using "Parameter" instead of "Argument" for reflection on types elsewhere.

Paramet

Rename FFI `getFuncArg*` to `getFuncParameter*`, $arg_index->$index (#7236)

PHP is already already using "Parameter" instead of "Argument" for reflection on types elsewhere.

Parameter is used to refer to the function declarations
(AST_PARAM internally in the AST, ReflectionFunctionAbstract->getParameters(),
etc.)
Argument is used to refer to expressions passed to the functions by the caller
(ArgumentCountError, etc.).
(Error messages were also changed in php 8.x to refer to passing too many arguments to a
function)

Other languages use similar definitions,
e.g. https://developer.mozilla.org/en-US/docs/Glossary/Parameter

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FFI::CType reflection API

Implicitly enable function entry generation when class entry generation is enabled

Closes GH-6675

Generate class entries from stubs for another batch of extensions

Closes GH-6669

Add support for union types for internal functions

This closes the last hole in the supported types for internal
function arginfo types. It's now possible to represent unions of
mult

Add support for union types for internal functions

This closes the last hole in the supported types for internal
function arginfo types. It's now possible to represent unions of
multiple classes. This is done by storing them as TypeA|TypeB and
PHP will then convert this into an appropriate union type list.

Closes GH-6581.

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Fix ffi stubs

Closes GH-6543.

Fix the signature of FFI::typeof() and FFI::memcmp()

Fix the signature of FFI::sizeof() and FFI::alignof()

Update ext/ffi parameter names

Closes GH-6282.

Declare FFI\CType in namespace

Now that it is supported, declare that CType is part of the FFI
namespace, not a freestanding class.

Added FFI\CType::getName() method

Add more precise type info for stubs

Closes GH-6005

Add all the missing parameter types to stubs

Closes GH-5955

Fix some UNKNOWN default values

In ext/ffi, ext/intl, ext/mysqli, and ext/pcntl

Fix UNKNOWN default values in various extensions

Closes GH-5514

Clarify that FFI::cdef() does not return NULL

Generate method entries from stubs for curl, ffi, pdo, phar

Closes GH-5375

Add missing visibility modifiers in stubs

Add return types to FFI methods

The FFI class is final, so we can use proper return types.

Merge branch 'PHP-7.4'

* PHP-7.4:
Apply tidy formatting

Merge branch 'PHP-7.4'

* PHP-7.4:
NEWS entry, test and minor cleanup for FFI::isNull()
add FFI::isNull() to check whether a FFI\CData is a null pointer