remove ZWSP

[pdo_firebird] Added pdo_firebird_check_liveness handler (#12757)

Feature: ext/pdo_firebird: Add transaction isolation level and mode settings (#12815)

* Added transaction isolation level and access mode

* Raise a ValueError if an invalid value i

Feature: ext/pdo_firebird: Add transaction isolation level and mode settings (#12815)

* Added transaction isolation level and access mode

* Raise a ValueError if an invalid value is passed to PDO::FB_TRANSACTION_ISOLATION_LEVEL.

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ext/pdo: Fixed PDO::setAttribute() and PDO::getAttribute() (#12793)

[pdo_firebird] Transaction management optimization (#12741)

take2 of #12657

## About Firebird transaction

Firebird is a full transactional database, so the DB itself does n

[pdo_firebird] Transaction management optimization (#12741)

take2 of #12657

## About Firebird transaction

Firebird is a full transactional database, so the DB itself does not support autocommit mode. (Strictly, there is an autocommit mode, but it is a different concept from the "autocommit" that we are used to with MySQL and others.)

Therefore, a transaction must have started before any operation is performed, and autocommit mode had to be emulated in PHP.

I made sure that a transaction always exists when in autocommit mode. Since the `in_transacntion` function does not work as expected, I have introduced `H->in_manually_txn` to determine whether a transaction is being manually manipulated.

## There are two types of commit/rollback

(I'm not talking about two-phase commit. This change does not take into account two-phase commit.)

There are `isc_commit_retaining` which starts a transaction again in the same context immediately after committing, and `isc_commit_transaction` which closes the transaction as is.

Similarly, there are two types of rollback.

-----------

Due to the default value of the transaction isolation level, autocommit mode may obtain unintended results.
Regarding this, it would be too large to include support for transaction isolation levels in this PR, so I will leave it as is for now.

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Optimized error handling

Unified function naming conventions

ext/pdo_firebird: Output correct error messages

Use new ZSTR_INIT_LITERAL macro (#10879)

Use memrchr() when available

On x86_64 glibc memrchr() uses SSE/AVX CPU extensions and works much
faster then naive loop. On x86 32-bit we still use inlined version.

memrchr() i

Use memrchr() when available

On x86_64 glibc memrchr() uses SSE/AVX CPU extensions and works much
faster then naive loop. On x86 32-bit we still use inlined version.

memrchr() is a GNU extension. Its prototype becomes available when
<string.h> is included with defined _GNU_SOURCE macro. Previously, we
defined it in "php_config.h", but some sources may include <string.h>
befire it. To avod mess we also pass -D_GNU_SOURCE to C compiler.

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Merge branch 'PHP-8.0'

* PHP-8.0:
Update NEWS
Fix #76448: Stack buffer overflow in firebird_info_cb
Fix #76449: SIGSEGV in firebird_handle_doer
Fix #76450: SIGSEGV in

Merge branch 'PHP-8.0'

* PHP-8.0:
Update NEWS
Fix #76448: Stack buffer overflow in firebird_info_cb
Fix #76449: SIGSEGV in firebird_handle_doer
Fix #76450: SIGSEGV in firebird_stmt_execute
Fix #76452: Crash while parsing blob data in firebird_fetch_blob
Fix #81122: SSRF bypass in FILTER_VALIDATE_URL

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Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
Update NEWS
Fix #76448: Stack buffer overflow in firebird_info_cb
Fix #76449: SIGSEGV in firebird_handle_doer
Fix #7645

Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
Update NEWS
Fix #76448: Stack buffer overflow in firebird_info_cb
Fix #76449: SIGSEGV in firebird_handle_doer
Fix #76450: SIGSEGV in firebird_stmt_execute
Fix #76452: Crash while parsing blob data in firebird_fetch_blob
Fix #81122: SSRF bypass in FILTER_VALIDATE_URL

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Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Update NEWS
Fix #76448: Stack buffer overflow in firebird_info_cb
Fix #76449: SIGSEGV in firebird_handle_doer
Fix #7645

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Update NEWS
Fix #76448: Stack buffer overflow in firebird_info_cb
Fix #76449: SIGSEGV in firebird_handle_doer
Fix #76450: SIGSEGV in firebird_stmt_execute
Fix #76452: Crash while parsing blob data in firebird_fetch_blob
Fix #81122: SSRF bypass in FILTER_VALIDATE_URL

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Fix #76448: Stack buffer overflow in firebird_info_cb

We ensure not to overflow the stack allocated buffer by using `strlcat`.

Fix #76449: SIGSEGV in firebird_handle_doer

We need to verify that the `result_size` is not larger than our buffer,
and also should make sure that the `len` which is passed to
`isc_v

Fix #76449: SIGSEGV in firebird_handle_doer

We need to verify that the `result_size` is not larger than our buffer,
and also should make sure that the `len` which is passed to
`isc_vax_integer()` has a permissible value; otherwise we bail out.

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Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as

Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as 3.0 states "php 5.1.1, 4.1.1, and earlier".
3. In some license comments is "at through the world-wide-web" while most is without "at", so deleted.
4. fixed indentation in some files before |

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Introduce pseudo-keyword ZEND_FALLTHROUGH

And use it instead of comments

Add API to fetch bool value for PDO attribute values

Closes GH-6766

Use standard PDO way for fetching integer attribute values

Refactor PDO doer handler to use zend_string

Replace zend_bool uses with bool

We're starting to see a mix between uses of zend_bool and bool.
Replace all usages with the standard bool type everywhere.

Of course, zend_bool

Replace zend_bool uses with bool

We're starting to see a mix between uses of zend_bool and bool.
Replace all usages with the standard bool type everywhere.

Of course, zend_bool is retained as an alias.

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Refactor PDO's quoter handler to return a zend_string

Closes GH-6547

Voidify PDO's fetch_error handler

Boolify PDO's preparer handler

Voidify PDO's closer handler