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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Deprecate autovivification on false

Deprecate automatically converting "false" into an empty array
on write operands. Autovivification continues to be supported
for "null" values, as

Deprecate autovivification on false

Deprecate automatically converting "false" into an empty array
on write operands. Autovivification continues to be supported
for "null" values, as well as undefined/uninitialized values.

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

Closes GH-7131.

Co-authored-by: Tyson Andre <tysonandre775@hotmail.com>
Co-authored-by: Nikita Popov <nikita.ppv@gmail.com>

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[skip-ci] Fixup UPGRADING documents

Some entries were in the wrong section/wrong document.

Don't return bool from Phar::offsetUnset()

This violates the ArrayAccess interface. Use offsetExists() to
check if an entry exists.

Add UPGRADING entry for socket options

[ci skip]

Make syslog() binary safe

Closes GH-7245

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

Allow objects in define()

This was separately discussed in https://externals.io/message/114863,
but also necessary for consistency now that
https://wiki.php.net/rfc/new_in_initialize

Allow objects in define()

This was separately discussed in https://externals.io/message/114863,
but also necessary for consistency now that
https://wiki.php.net/rfc/new_in_initializers has landed.

Closes GH-7149.

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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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Deprecate $num_points parameter of image(open|filled)polygon

Cf. <https://wiki.php.net/rfc/deprecations_php_8_1#num_points_parameter_of_image_open_filled_polygon>.

Co-authored-by: M

Deprecate $num_points parameter of image(open|filled)polygon

Cf. <https://wiki.php.net/rfc/deprecations_php_8_1#num_points_parameter_of_image_open_filled_polygon>.

Co-authored-by: Máté Kocsis <kocsismate@woohoolabs.com>
Co-authored-by: George Peter Banyard <7906688+Girgias@users.noreply.github.com>

Closes GH-6789.

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Deprecate strftime() and gmstrftime()

These are deprecated in favor of date()/DateTime::format() (for
locale-indendent formatting) and IntlDateFormatter::format()
(for locale-depende

Deprecate strftime() and gmstrftime()

These are deprecated in favor of date()/DateTime::format() (for
locale-indendent formatting) and IntlDateFormatter::format()
(for locale-dependent formatting).

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

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Deprecate SoapClient ssl_method option

Instead use ssl stream context options instead. The direct
equivalent would be crypto_method, but min_proto_version /
max_proto_version are rec

Deprecate SoapClient ssl_method option

Instead use ssl stream context options instead. The direct
equivalent would be crypto_method, but min_proto_version /
max_proto_version are recommended instead.

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

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Add limited support for new in initializers

Add support for new expressions inside parameter default values,
static variable initializers, global constant initializers and
attribute

Add limited support for new in initializers

Add support for new expressions inside parameter default values,
static variable initializers, global constant initializers and
attribute arguments.

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

Closes GH-7153.

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Deprecate filter.default

There's a subtlety here regarding filter.default_flags. The RFC
stated that no separate deprecation warning will be emitted for
it, on the premise that it is

Deprecate filter.default

There's a subtlety here regarding filter.default_flags. The RFC
stated that no separate deprecation warning will be emitted for
it, on the premise that it is only meaningful if filter.default
is set. However, it turns out that even FILTER_UNSAFE_RAW (which
is the "no-op filter") can be combined with stripping flags.
However, this is compensated by the fact that this doesn't actually
work when setting filter.default=unsafe_raw and non-default
filter.default_flags -- the flags are simply ignored in that case.
So everything works out in the end.

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

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Deprecate using the implicit default PgSQL connection

The DB connection should be provided in all cases as the first argument.
The overloaded function signatures will be removed in the f

Deprecate using the implicit default PgSQL connection

The DB connection should be provided in all cases as the first argument.
The overloaded function signatures will be removed in the future.
Warn about this change.

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

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Deprecate direct access to static trait members

Static trait members may only be accessed through a class in which
the trait is used, not directly on the trait.

A complication h

Deprecate direct access to static trait members

Static trait members may only be accessed through a class in which
the trait is used, not directly on the trait.

A complication here is that we should not store static
methods/properties for which a deprecation is triggered in a
cache slot. As the check for this is simple and cheap, I'm handling
this in the cache slot population code in the VM. The alternative
would be to pass the cache slot down into the fetching code.

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

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Deprecate ctype_*() on non-string arguments

Non-string arguments will be interpreted as strings in the future.
Warn about the upcoming behavior change.

Part of https://wiki.php.

Deprecate ctype_*() on non-string arguments

Non-string arguments will be interpreted as strings in the future.
Warn about the upcoming behavior change.

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

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Deprecate auto_detect_line_endings

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

Deprecate strptime()

Use date_parse_from_format() or IntlDateFormatter::parse() instead.

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

Deprecate imap NIL constant

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

Deprecate return by ref from void function

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

Deprecate FILTER_SANITIZE_STRING/STRIPPED

Deprecate the FILTER_SANITIZE_STRING and FILTER_SANITIZE_STRIPPED
filters.

This is part of https://wiki.php.net/rfc/deprecations_php_8_

Deprecate FILTER_SANITIZE_STRING/STRIPPED

Deprecate the FILTER_SANITIZE_STRING and FILTER_SANITIZE_STRIPPED
filters.

This is part of https://wiki.php.net/rfc/deprecations_php_8_1.

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Deprecate odbc_result_all()

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

Deprecate mysqli::init()

In favor of parent::__construct().

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

Deprecate mhash

Deprecate mhash(), mhash_keygen_s2k(), mhash_count(),
mhash_get_block_size() and mhash_get_hash_name() in favor of the
normal hash_*() functions.

Part of htt

Deprecate mhash

Deprecate mhash(), mhash_keygen_s2k(), mhash_count(),
mhash_get_block_size() and mhash_get_hash_name() in favor of the
normal hash_*() functions.

Part of https://wiki.php.net/rfc/deprecations_php_8_1.

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Deprecate IntlCalendar::roll() with bool argument

Pass 1 instead of true and -1 instead of false.

Part of https://wiki.php.net/rfc/deprecations_php_8_1.