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Revision tags: php-8.0.6, php-7.4.19, php-7.4.18, php-7.3.28, php-8.0.5, php-8.0.5RC1, php-7.4.18RC1
# 462da6e0 31-Mar-2021 Josh Soref

Fix spelling and grammar mistakes

This PR corrects misspellings identified by the check-spelling action.

The misspellings have been reported at jsoref@b6ba3e2#commitcomment-48946465

Fix spelling and grammar mistakes

This PR corrects misspellings identified by the check-spelling action.

The misspellings have been reported at jsoref@b6ba3e2#commitcomment-48946465

The action reports that the changes in this PR would make it happy: jsoref@602417c

Closes GH-6822.

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Revision tags: php-8.0.4RC1, php-7.4.17RC1, php-8.0.3, php-7.4.16, php-8.0.3RC1, php-7.4.16RC1, php-8.0.2, php-7.4.15, php-7.3.27, php-8.0.2RC1, php-7.4.15RC2, php-7.4.15RC1, php-8.0.1, php-7.4.14, php-7.3.26, php-7.4.14RC1, php-8.0.1RC1, php-7.3.26RC1, php-8.0.0, php-7.3.25, php-7.4.13, php-8.0.0RC5, php-7.4.13RC1, php-8.0.0RC4, php-7.3.25RC1, php-7.4.12, php-8.0.0RC3, php-7.3.24, php-8.0.0RC2, php-7.4.12RC1, php-7.3.24RC1, php-7.2.34, php-8.0.0rc1, php-7.4.11, php-7.3.23, php-8.0.0beta4, php-7.4.11RC1, php-7.3.23RC1, php-8.0.0beta3, php-7.4.10, php-7.3.22, php-8.0.0beta2, php-7.3.22RC1, php-7.4.10RC1, php-8.0.0beta1, php-7.4.9, php-7.2.33, php-7.3.21, php-8.0.0alpha3, php-7.4.9RC1, php-7.3.21RC1, php-7.4.8, php-7.2.32, php-8.0.0alpha2, php-7.3.20, php-8.0.0alpha1, php-7.4.8RC1, php-7.3.20RC1
# 269c8dac 10-Jun-2020 Ilija Tovilo

Implement enums

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

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

Closes GH-6489.

# 8b37c1e9 15-Aug-2020 Benjamin Eberlei

Change Attribute Syntax from @@ to #[]

Revision tags: php-7.4.7, php-7.3.19, php-7.4.7RC1, php-7.3.19RC1, php-7.4.6, php-7.2.31, php-7.4.6RC1, php-7.3.18RC1, php-7.2.30, php-7.4.5, php-7.3.17
# d92229d8 06-Apr-2020 Nikita Popov

Implement named parameters

From an engine perspective, named parameters mainly add three
concepts:

* The SEND_* opcodes now accept a CONST op2, which is the
argument nam

Implement named parameters

From an engine perspective, named parameters mainly add three
concepts:

* The SEND_* opcodes now accept a CONST op2, which is the
argument name. For now, it is looked up by linear scan and
runtime cached.
* This may leave UNDEF arguments on the stack. To avoid having
to deal with them in other places, a CHECK_UNDEF_ARGS opcode
is used to either replace them with defaults, or error.
* For variadic functions, EX(extra_named_params) are collected
and need to be freed based on ZEND_CALL_HAS_EXTRA_NAMED_PARAMS.

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

Closes GH-5357.

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# 470d1696 02-Jul-2020 Theodore Brown

Implement Shorter Attribute Syntax

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

Closes GH-5796.

Co-authored-by: Martin Schröder <m.schroeder2007@gmail.com>

# 9bf11983 24-May-2020 Ilija Tovilo

Implement nullsafe ?-> operator

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

Closes GH-5619.

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

# 7a3dcc3e 15-Jun-2020 Nikita Popov

Treat namespaced names as single token

Namespace names are now lexed as single tokens of type
T_NAME_QUALIFIED, T_NAME_FULLY_QUALIFIED or T_NAME_RELATIVE.

RFC: https://wiki.php.

Treat namespaced names as single token

Namespace names are now lexed as single tokens of type
T_NAME_QUALIFIED, T_NAME_FULLY_QUALIFIED or T_NAME_RELATIVE.

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

Closes GH-5827.

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# 4cf8b6f1 01-Jul-2020 Tyson Andre

Support optional comma in closure use list

RFC: https://wiki.php.net/rfc/trailing_comma_in_closure_use_list
Discussion: https://externals.io/message/110715

The release manager h

Support optional comma in closure use list

RFC: https://wiki.php.net/rfc/trailing_comma_in_closure_use_list
Discussion: https://externals.io/message/110715

The release manager has agreed to allow merging of RFCs that have near-unanimous
votes. If an RFC ends up not achieving the required 2/3 majority at the time the
announced voting period closes, this implementation commit will be reverted
in time for the feature freeze.

Closes GH-5793

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# 55a15f32 11-Jun-2020 Rowan Tommins

Improve output of tokens in Parse Errors

Currently, unexpected tokens in the parser are shown as the text
found, plus the internal token name, including the notorious
"unexpected '::

Improve output of tokens in Parse Errors

Currently, unexpected tokens in the parser are shown as the text
found, plus the internal token name, including the notorious
"unexpected '::' (T_PAAMAYIM_NEKUDOTAYIM)".

This commit replaces that with a more user-friendly format, with
two main types of token:

* Tokens which always represent the same text are shown like
'unexpected token "::"' and 'expected "::"'
* Tokens which have variable text are given a user-friendly
name, and show like 'unexpected identifier "foo"', and
'expected identifer'.

A few tokens have special cases:

* unexpected token """ -> unexpected double-quote mark
* unexpected quoted string "'foo'" -> unexpected single-quoted
string "foo"
* unexpected quoted string ""foo"" -> unexpected double-quoted
string "foo"
* unexpected illegal character "_" -> unexpected character 0xNN
(where _ is almost certainly a control character, and NN is the
hexadecimal value of the byte)

The \ token has a special case in the implementation just to stop
bison making a mess of escaping it and it coming out as \\

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# 9fa1d133 09-Apr-2020 Ilija Tovilo

Implement match expression

RFC: https://wiki.php.net/rfc/match_expression_v2

Closes GH-5371.

# 4a0d6901 06-Jul-2020 moliata <7127204+moliata@users.noreply.github.com>

refactor: class constants parsing

As part of my work on typed class constants, I wanted to make a
separate pull request for unrelated changes.

These include:

* Moving

refactor: class constants parsing

As part of my work on typed class constants, I wanted to make a
separate pull request for unrelated changes.

These include:

* Moving from ast->child[0]->attr to ast->attr
* Making zend_ast_export_ex() export class constants' visibility
* Extracting an additional zend_compile_class_const_group() function

Closes GH-5812.

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# 6a195cac 02-Jul-2020 Nikita Popov

Treat attribute argument lists like normal argument lists

Allow trailing comma. Syntactically allow unpacking, but forbid it
during compilation.

The trailing comma test-case is

Treat attribute argument lists like normal argument lists

Allow trailing comma. Syntactically allow unpacking, but forbid it
during compilation.

The trailing comma test-case is adopted from GH-5796.

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# 55717656 19-Jun-2020 Nikita Popov

Forbid use of <?= as a semi-reserved identifier

One of the weirdest pieces of PHP code I've ever seen. In terms
of tokens, this gets internally translated to

use x as y; ech

Forbid use of <?= as a semi-reserved identifier

One of the weirdest pieces of PHP code I've ever seen. In terms
of tokens, this gets internally translated to

use x as y; echo as my_echo;

On master it crashes because this "echo" does not have attached
identifier metadata. Make sure it is added and then reject the
use of "<?=" as an identifier inside zend_lex_tstring.

Fixes oss-fuzz #23547.

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# 2a3ac4a8 08-Jun-2020 Ilija Tovilo

Add missing terminators in zend_language_parser.y

Closes GH-5688

# 3d4f79d6 08-Jun-2020 Nikita Popov

Don't allow variables as attribute name

Attributes require a static class name...

This fixes https://oss-fuzz.com/testcase-detail/6267052359942144.

# b03cafd1 05-Jun-2020 Nikita Popov

Fix bug #77966: Cannot alias a method named "namespace"

This is a bit tricky: In this cases we have "namespace as", which
means that we will only recognize "namespace" as an identifier w

Fix bug #77966: Cannot alias a method named "namespace"

This is a bit tricky: In this cases we have "namespace as", which
means that we will only recognize "namespace" as an identifier when
the lookahead token is already at the "as". This means that
zend_lex_tstring picks up the wrong identifier.

We solve this by actually assigning the identifier as the semantic
value on the parser stack -- as in almost all cases we will not
actually need the identifier, this is just an (offset, size)
reference, not a copy of the string.

Additionally, we need to teach the lexer feedback mechanism used
by tokenizer TOKEN_PARSE mode to apply feedback to something
other than the very last token. To that purpose we pass through
the token text and check the tokens in reverse order to find the
right one.

Closes GH-5668.

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Revision tags: php-7.4.5RC1, php-7.3.17RC1
# 064b4644 24-Mar-2020 Nikita Popov

Implement "Constructor Promotion" RFC

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

Closes GH-5291.

# a7908c2d 24-May-2020 Benjamin Eberlei

Add Attributes

Co-authored-by: Martin Schröder <m.schroeder2007@gmail.com>

# 23ee4d4b 03-Apr-2020 Max Semenik

Support catching exceptions without capturing them to variables

RFC: https://wiki.php.net/rfc/non-capturing_catches

Closes GH-5345.

# f545ee2c 26-Mar-2020 Nikita Popov

Allow optional trailing comma in parameter list

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

Closes GH-5306.

# 0810fcd0 18-Mar-2020 Ilija Tovilo

Make throw statement an expression

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

This has an open issue with temporaries that are live at the time
of the throw being leaked. La

Make throw statement an expression

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

This has an open issue with temporaries that are live at the time
of the throw being leaked. Landing this now for easier testing and
will revert if we cannot resolve the issue.

Closes GH-5279.

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Revision tags: php-7.3.18, php-7.4.4, php-7.2.29, php-7.3.16, php-7.4.4RC1, php-7.3.16RC1, php-7.4.3, php-7.2.28, php-7.3.15RC1, php-7.4.3RC1, php-7.3.15, php-7.2.27, php-7.4.2, php-7.3.14
# 43443857 07-Jan-2020 Nikita Popov

Add static return type

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

The "static" type is represented as MAY_BE_STATIC, rather than
a class type like "self" and "parent", as

Add static return type

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

The "static" type is represented as MAY_BE_STATIC, rather than
a class type like "self" and "parent", as it has special
resolution semantics, and cannot be cached in the runtime cache.

Closes GH-5062.

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Revision tags: php-7.3.14RC1, php-7.4.2RC1
# c141ee3f 06-Jan-2020 Nikita Popov

Allow arbitrary expressions in new/instanceof using () syntax

# 357fbc99 06-Jan-2020 Nikita Popov

Treat magic constants like normal constants

# ab154b7a 06-Jan-2020 Nikita Popov

Make class constants fully dereferencable

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