Don't use separate static variables in inherited methods

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

Closes GH-6719.

Partially deprecate Serializable

If Serializable is implemented, require that __serialize() and
__unserialize() are implemented as well, else issue a deprecation
warning.

Al

Partially deprecate Serializable

If Serializable is implemented, require that __serialize() and
__unserialize() are implemented as well, else issue a deprecation
warning.

Also deprecate use of PDO::FETCH_SERIALIZE.

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

Closes GH-6494.

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Implement Fibers

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

Closes GH-6875.

Implement never return type

The never type can be used to indicate that a function never
returns, for example because it always unwinds.

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

Implement never return type

The never type can be used to indicate that a function never
returns, for example because it always unwinds.

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

Closes GH-6761.

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Mysqli bind in execute (#6271)

Add fsync() and fdatasync() functions

fsync is a straightforward wrapper around the same C function
(implemented on Windows API as _commit() with identical signature).

From the

Add fsync() and fdatasync() functions

fsync is a straightforward wrapper around the same C function
(implemented on Windows API as _commit() with identical signature).

From the man pages:

fsync() transfers ("flushes") all modified in-core data of (i.e.,
modified buffer cache pages for) the file referred to by the file
descriptor fd to the disk device (or other permanent storage
device) so that all changed information can be retrieved even if
the system crashes or is rebooted. This includes writing through
or flushing a disk cache if present. The call blocks until the
device reports that the transfer has completed.

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

Closes GH-6650.

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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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[skip-ci] Update UPGRADING documents for the new argument for fputcsv()

Update NEWS and UPGRADING for FPM addition of pm.max_spawn_rate

Upadate NEWS and UPRADING with info about FPM openmetrics format addition

Convert resources to objects in ext/ldap

Closes GH-6770

Deprecate OO style mysqli::get_client_info method

Deprecate passing connection object to mysqli_get_client_info()

Closes GH-6777.

Add enums to UPGRADING [ci skip]

Change the default error mode of mysqli

Make MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT the new mysqli
error reporting default. Explicitly call
mysqli_report(MYSQLI_REPORT_OFF) to pr

Change the default error mode of mysqli

Make MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT the new mysqli
error reporting default. Explicitly call
mysqli_report(MYSQLI_REPORT_OFF) to preserve previous behavior.

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

Closes GH-6629.

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Deprecate mysqli driver_version property

The driver version hasn't been updated in 13 years, so this number
is essentially meaningless. Check PHP_VERSION_ID instead.

typo

Explicitly print reference wrappers in debug_zval_dump()

Closes GH-6750.

Added UPGRADING note.

Fix #80329: Add option to specify LOAD DATA LOCAL white list folder

* allow the user to specify a folder where files that can be sent
via LOAD DATA LOCAL can exist
* add mysqli.

Fix #80329: Add option to specify LOAD DATA LOCAL white list folder

* allow the user to specify a folder where files that can be sent
via LOAD DATA LOCAL can exist
* add mysqli.local_infile_directory for mysqli
(ignored if mysqli.allow_local_infile is enabled)
* add PDO::MYSQL_ATTR_LOCAL_INFILE_DIRECTORY for pdo_mysql
(ignored if PDO::MYSQL_ATTR_LOCAL_INFILE is enabled)
* add related tests
* fixes for building with libmysql 8.x
* small improvement in existing tests
* update php.ini-[development|production] files

Closes GH-6448.

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

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UPGRADING: Add note about xxHash secret and fix a typo

[ci skip]

Signed-off-by: Anatol Belski <ab@php.net>

Fix static variable behavior with inheritance

When a method is inherited, the static variables will now always
use the initial values, rather than the values at the time of
inheritan

Fix static variable behavior with inheritance

When a method is inherited, the static variables will now always
use the initial values, rather than the values at the time of
inheritance. As such, behavior no longer depends on whether
inheritance happens before or after a method has been called.

This is implemented by always keeping static_variables as the
original values, and static_variables_ptr as the modified copy.

Closes GH-6705.

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cURL: make possible to send file from buffer string

Add CURLStringFile class which works similarly to CURLFile, but
uploads a file from a string rather than a file. This avoids the
n

cURL: make possible to send file from buffer string

Add CURLStringFile class which works similarly to CURLFile, but
uploads a file from a string rather than a file. This avoids the
need to create a temporary file, or use of a data:// stream.

Basic usage:

$file = new CURLStringFile($data, 'filename.txt', 'text/plain');
curl_setopt($curl, CURLOPT_POSTFIELDS, ['file' => $file]);

Closes GH-6456.

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Deprecate passing null to non-nullable arg of internal function

This deprecates passing null to non-nullable scale arguments of
internal functions, with the eventual goal of making the b

Deprecate passing null to non-nullable arg of internal function

This deprecates passing null to non-nullable scale arguments of
internal functions, with the eventual goal of making the behavior
consistent with userland functions, where null is never accepted
for non-nullable arguments.

This change is expected to cause quite a lot of fallout. In most
cases, calling code should be adjusted to avoid passing null. In
some cases, PHP should be adjusted to make some function arguments
nullable. I have already fixed a number of functions before landing
this, but feel free to file a bug if you encounter a function that
doesn't accept null, but probably should. (The rule of thumb for
this to be applicable is that the function must have special behavior
for 0 or "", which is distinct from the natural behavior of the
parameter.)

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

Closes GH-6475.

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Add support for string keys in array unpacking

This adds support for:

$array1 = ['a' => 1, 'b' => 2];
$array2 = ['b' => 3, 'c' => 4];
$array = [...$array1, ...$a

Add support for string keys in array unpacking

This adds support for:

$array1 = ['a' => 1, 'b' => 2];
$array2 = ['b' => 3, 'c' => 4];
$array = [...$array1, ...$array2];
// => ['a' => 1, 'b' => 3, 'c' => 4]

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

Closes GH-6584.

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Allow specifying sqlite3 DSN (file:/) in PDO SQLite

Closes GH-6610.