Fix #74544: Integer overflow in mysqli_real_escape_string()

The patch has been provided by @johannes.

Closes GH-7353.

Make mysqli_ssl_set() arguments nullable

This function internally converts zero length arguments to NULL
argument -- but we should also accept them in the first place.

Null argu

Make mysqli_ssl_set() arguments nullable

This function internally converts zero length arguments to NULL
argument -- but we should also accept them in the first place.

Null arguments being accepted was actually documented, before
bug #78399 adjusted the docs to match current behavior.

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Fix/improve mysqli stubs

* mysqli_commit $flags default value is 0, not -1.
* A number of functions cannot actually return null.
* mysqli_poll parameter names were incorrect, as this

Fix/improve mysqli stubs

* mysqli_commit $flags default value is 0, not -1.
* A number of functions cannot actually return null.
* mysqli_poll parameter names were incorrect, as this function
has a different signature from select.
* fetch functions apart from fetch_all can return false on failure.

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Handle errors during next_result()

Handle mysqli errors in more cases

Report errors autocommit, commit, rollback and mysqli_stmt_attr_set.

Additionally, copy the error from conn to stmt when preparing fails,
so t

Handle mysqli errors in more cases

Report errors autocommit, commit, rollback and mysqli_stmt_attr_set.

Additionally, copy the error from conn to stmt when preparing fails,
so these errors are also handled by mysqli_stmt_prepare.

Closes GH-6157.

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Fix bug #79375

Make sure deadlock errors are properly propagated and reports in
a number of places in mysqli and PDO MySQL.

This also fixes a memory and a segfault that can occu

Fix bug #79375

Make sure deadlock errors are properly propagated and reports in
a number of places in mysqli and PDO MySQL.

This also fixes a memory and a segfault that can occur under these
conditions.

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Verify parameter names of function aliases

Closes GH-6335

Promote a few forgotten warnings to exceptions

Closes GH-6211

Consolidate the usage of "either" and "one of" in error messages

Closes GH-6173

Fix mysqli build with mysqlnd and without PDO

Fix mysqli build with mysqlnd and without PDO

Support NO_BACKSLASH_ESCAPES with newer libmysqlclient

Requires the use of mysql_real_escape_string_quote().

Fix warnings when building against libmysqlclient

At least for version 8.0 this is warning free now.

Drop support for libmysqlclient < 5.5

Given how little maintenance the libmysqlclient driver sees, be
more aggressive in dropping old version support here.

mysqli: use native api

Tested with:
* mysql-5.6.49-linux-glibc2.12-x86_64
* mysql-5.7.31-linux-glibc2.12-x86_64
* mysql-8.0.21-linux-glibc2.17-x86_64
* mariadb-10.5.6

mysqli: use native api

Tested with:
* mysql-5.6.49-linux-glibc2.12-x86_64
* mysql-5.7.31-linux-glibc2.12-x86_64
* mysql-8.0.21-linux-glibc2.17-x86_64
* mariadb-10.5.6

configure --with-mysqli=/usr/local/$version/bin/mysql_config --with-pdo-mysql=/usr/local/$version

MySQL-8.0 removed my_bool
Some options where deprecated in mysql-8.0

MY_CHARSET_INFO used with exposed api mysql_get_character_set_info
rather than internal structures.

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mysqli: Promote warning in field_seek

Aligning the behaviour of fetch_field and field_seek.

Changed the wording of the error message

"cannot be used in MYSQLI_USE_RESULT mode" sounds more correct than "cannot be used with MYSQLI_USE_RESULT"

Closes GH-6137.

Promote warnings to Error in MySQLi extension

Closes GH-5803

Remove bogus REGISTER_LONG_CONSTANT

This shouldn't be in this function, probably a copy/paste mistake...

Simplify mysqli_stmt_bind_param() implementation

By using zpp.

Fix arg/func info

* mysqli_get_server_info() cannot return null. The underlying API
is infallible.
* mysqli_select_db() func info is redundant.
* mb_detect_order() can only

Fix arg/func info

* mysqli_get_server_info() cannot return null. The underlying API
is infallible.
* mysqli_select_db() func info is redundant.
* mb_detect_order() can only return array|true, not array|false.

Also make the func_info.phpt test that is supposed to catch these
kinds of issues actually work.

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Remove proto comments from C files

Closes GH-5758

Fix some UNKNOWN default values

In ext/ffi, ext/intl, ext/mysqli, and ext/pcntl

Fix [-Wundef] warning in MySQLi extension

Fix UNKNOWN default values in various extensions

Closes GH-5514