Add support for first-class callables

I'm somewhat unsure about the AST structure here.
VariadicPlaceholder is not a general expression. Maybe Arg->expr
should be Expr|VariadicPlaceh

Add support for first-class callables

I'm somewhat unsure about the AST structure here.
VariadicPlaceholder is not a general expression. Maybe Arg->expr
should be Expr|VariadicPlaceholder? Or possibly the call arguments
should be an array of Arg|VariadicPlaceholder?

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Adjust token count in octal emulator

Add support for explicit octal literals

Add test for new in initializer

This already works because we don't validate initializer contents,
everything is accepted from a parser perspective.

Add support for intersection types

Introduce ComplexType base class

With the upcoming addition of intersection types, a type can
be Identifier|Name|NullableType|UnionType|IntersectionType, which
is quite the mouthful.

Introduce ComplexType base class

With the upcoming addition of intersection types, a type can
be Identifier|Name|NullableType|UnionType|IntersectionType, which
is quite the mouthful. Give NullableType and UnionType a common
base class ComplexType, which does not have any behavior, but
allows to write these types (and check them in instanceof) more
easily.

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Allow multiple modifiers for property promotion

Fixes issue #800.

Simplify BuilderHelpers::normalizeName() implementation

In order to get rid of the flag in `BuilderHelpers::normalizeNameCommon()` I have moved all the logic related to the normalization of

Simplify BuilderHelpers::normalizeName() implementation

In order to get rid of the flag in `BuilderHelpers::normalizeNameCommon()` I have moved all the logic related to the normalization of the name to the `BuilderHelpers::normalizeName()` method and expr-related stuff to the `BuilderHelpers::normalizeNameOrExpr()` method which later calls the basic `normalizeName()` as well

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Release PHP-Parser 4.12.0

Add support for new PHP 8.1 modifiers (#796)

Implement support for readonly properties (https://wiki.php.net/rfc/readonly_properties_v2) and
final class contstants (https://wiki.php.net/

Add support for new PHP 8.1 modifiers (#796)

Implement support for readonly properties (https://wiki.php.net/rfc/readonly_properties_v2) and
final class contstants (https://wiki.php.net/rfc/final_class_const).

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Try to pass --ignore-platform-req=php on 8.1 only

Pass --ignore-platform-req=php

Add PHP 8.1 to GH actions

Fix JSON encoding test on PHP 8.1

Duplicate the test expectation for a different order.

Add support for PHP 8.1

With the introduction of intersection types, PHP now lexes the
token '&' either as T_AMPERSAND_(NOT_)FOLLOWED_BY_VAR_OR_VARARG.
This completely breaks parsing

Add support for PHP 8.1

With the introduction of intersection types, PHP now lexes the
token '&' either as T_AMPERSAND_(NOT_)FOLLOWED_BY_VAR_OR_VARARG.
This completely breaks parsing of any code containing '&'.

Fix this by canonicalizing to the new token format (unconditionally,
independent of emulation) and adjusting the parser to use the two
new tokens.

This doesn't add actual support for intersection types yet.

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Avoid ctype_alnum() on integer

This is deprecated in PHP 8.1

Release PHP-Parser 4.11.0

Add handling for Enum(Case)s in NameResolver

Add support for "never" type in the BuilderHelpers::normalizeType()

chore: use the word Xdebug instead of XDebug

Add missing tests for methods of BuilderHelpers

Add attributes to integration Builder test

Add addAttribute() method to Builders with normalizer (#782)

Adds addAttribute() method to Builders of all nodes supporting attributes with BuilderHelpers::normalizeAttribute() usage inside

Add addAttribute() method to Builders with normalizer (#782)

Adds addAttribute() method to Builders of all nodes supporting attributes with BuilderHelpers::normalizeAttribute() usage inside so we can pass both Node\Attribute and Node\AttributeGroup instances.

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Add Attribute builder and support for named args (#781)

Add BuilderFactory::attribute() and support named args in BuilderFactory::args().

Update CHANGELOG.md

very minor for the year.