[RFC] Asymmetric visibility v2 (GH-15063)

Co-authored-by: Larry Garfield <larry@garfieldtech.com>

[RFC] Convert exit (and die) from language constructs to functions (#13483)

RFC: https://wiki.php.net/rfc/exit-as-function

[RFC] Property hooks (#13455)

RFC: https://wiki.php.net/rfc/property-hooks

Co-authored-by: Nikita Popov <nikita.ppv@gmail.com>

[RFC] Implement dereferencable for new exprs with constructor args

https://wiki.php.net/rfc/new_without_parentheses

Closes GH-13029

Include the source location in Closure names (#13550)

* Include the source location in Closure names

This change makes stack traces involving Closures, especially multiple
diffe

Include the source location in Closure names (#13550)

* Include the source location in Closure names

This change makes stack traces involving Closures, especially multiple
different Closures, much more useful, because it's more easily visible *which*
closure was called for a given stack frame.

The implementation is similar to that of anonymous classes which already
include the file name and line number within their generated classname.

* Update scripts/dev/bless_tests.php for closure naming

* Adjust existing tests for closure naming

* Adjust tests for closure naming that were not caught locally

* Drop the namespace from closure names

This is redundant with the included filename.

* Include filename and line number as separate keys in Closure debug info

* Fix test

* Fix test

* Include the surrounding class and function name in closure names

* Fix test

* Relax test expecations

* Fix tests after merge

* NEWS / UPGRADING

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Correctly handle multiple constants in typed declaration

While here also fix AST printing support.

Typed class constants (#10444)

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

Co-Authored-By: Ben <7127204+moliata@users.noreply.github.com>
Co-Authored-By: Bob Weinand <31

Typed class constants (#10444)

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

Co-Authored-By: Ben <7127204+moliata@users.noreply.github.com>
Co-Authored-By: Bob Weinand <3154871+bwoebi@users.noreply.github.com>
Co-Authored-By: Ilija Tovilo <ilija.tovilo@me.com>

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Use new ZSTR_INIT_LITERAL macro (#10879)

Fix GH-10377: Unable to have an anonymous readonly class

This fixes the oversight that an anonymous class should be able to be
readonly. Other identifiers such as final and abstract do n

Fix GH-10377: Unable to have an anonymous readonly class

This fixes the oversight that an anonymous class should be able to be
readonly. Other identifiers such as final and abstract do not make
sense. As we still want nice errors for when users try to use these
modifiers, or use multiple modifiers, we introduce a new function
zend_add_anonymous_class_modifier that will perform verification for
anonymous class modifiers, just like zend_add_class_modifier does for
non-anonymous classes.

Closes GH-10381

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Implement dynamic class const fetch

https://wiki.php.net/rfc/dynamic_class_constant_fetch

Closes GH-9793

Remove _zend_ast_decl->lex_pos (#10046)

This struct member was only written to, but never read.

Improvements in modifier parsing (#9926)

Use a shared non-terminal for all class modifiers. This avoids conflicts when
adding modifiers that are only valid for certain targets. This chan

Improvements in modifier parsing (#9926)

Use a shared non-terminal for all class modifiers. This avoids conflicts when
adding modifiers that are only valid for certain targets. This change is
necessary for asymmetric visibility but might be useful for other future
additions.

Closes GH-9926

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Fix syntax error when dnf type in parens after readonly

Fixes GH-9500
Closes GH-9512

Fix arrow function with never return type

Fixes GH-7900
Closes GH-9103

Suppress unused-but-set-variable warning in parsers

This is very ugly: Bison provides a yynerrs variable, which is
usually not actually used, but also not annotated with
YY_MAYBE_UNU

Suppress unused-but-set-variable warning in parsers

This is very ugly: Bison provides a yynerrs variable, which is
usually not actually used, but also not annotated with
YY_MAYBE_UNUSED. Suppress this warning by adding a (void)yynerrs
into the top-level reduction action. The alternative would be to
disable the warning for these generated files.

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Add support for Disjoint Normal Form (DNF) types (#8725)

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

This allows to combine union and intersection types together in the following form (

Add support for Disjoint Normal Form (DNF) types (#8725)

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

This allows to combine union and intersection types together in the following form (A&B)|(X&Y)|T but not of the form (X|A)&(Y|B) or (X|A)&(Y|B)|T.

* Improve union type parsing

Co-authored-by: Sara Golemon <pollita@php.net>

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Fix lineno in backtrace of multi-line function calls

Closes GH-8810
Closes GH-8818

Add support for readonly classes (#7305)

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

Deprecate ${} string interpolation

https://wiki.php.net/rfc/deprecate_dollar_brace_string_interpolation

Merge concatenated literal strings while compiling. (#7948)


The output of token_get_all is unaffected, so projects such as the userland
nikic/php-parser are unaffected.

Ext

Merge concatenated literal strings while compiling. (#7948)


The output of token_get_all is unaffected, so projects such as the userland
nikic/php-parser are unaffected.

Extensions such as nikic/php-ast which expose the internal php ast would see
literals be flattened, though.

This makes php significantly faster at parsing code such as
`$x = eval('return ' . var_export(str_repeat("\0", 100), true) . ';');`
and avoids the stack overflow from recursing 100000 times in
zend_eval_const_expr to process `'' . "\0" . '' . "\0" . ...`

Closes GH-7946

* Don't create binary op if unnecessary
* Update Zend/zend_ast.c

Co-authored-by: Nikita Popov <nikita.ppv@googlemail.com>

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Implement readonly properties

Add support for readonly properties, for which only a single
initializing assignment from the declaring scope is allowed.

RFC: https://wiki.php.net

Implement readonly properties

Add support for readonly properties, for which only a single
initializing assignment from the declaring scope is allowed.

RFC: https://wiki.php.net/rfc/readonly_properties_v2

Closes GH-7089.

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Add first-class callables

Support acquiring a Closure to a callable using the syntax
func(...), $obj->method(...), etc. This is essentially a
shortcut for Closure::fromCallable().

Add first-class callables

Support acquiring a Closure to a callable using the syntax
func(...), $obj->method(...), etc. This is essentially a
shortcut for Closure::fromCallable().

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

Closes GH-7019.

Co-Authored-By: Nikita Popov <nikita.ppv@gmail.com>

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Pure Intersection types (#6799)

Implement pure intersection types RFC

RFC: https://wiki.php.net/rfc/pure-intersection-types

Co-authored-by: Nikita Popov <nikic@php.net>

Pure Intersection types (#6799)

Implement pure intersection types RFC

RFC: https://wiki.php.net/rfc/pure-intersection-types

Co-authored-by: Nikita Popov <nikic@php.net>
Co-authored-by: Ilija Tovilo <ilutov@php.net>

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zend_language_parser.y: Fix a documentation typo

"loading" should be "leading" when discussing separators in namespace names

Support doc comments on enum cases (#6984)

Because php supports doc comments on class constants, I believe it would also
make sense to support them on enum cases.

I don't have s

Support doc comments on enum cases (#6984)

Because php supports doc comments on class constants, I believe it would also
make sense to support them on enum cases.

I don't have strong opinions about whether attributes should be moved to be the
last element or whether the doc comment should go after the attribute,
but the ast will likely change again before php 8.1 is stable.
So far, all attributes are the last ast child node.

I didn't notice that doc comments weren't implemented due to
https://github.com/php/php-src/pull/6489 being a large change.

https://wiki.php.net/rfc/enumerations
did not mention whether or not doc comments were meant to be supported

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