Changed the test expected value of `mysqli::info` to `%s` (#13723)

Closes #13723
Fixes #13628

Remove unnecessary parentheses around language constructs in mysqli

Port skipif.inc files to EXTENSIONS

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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Run tidy

This should fix most of the remaining issues with tabs and spaces
being mixed in tests.

Reindent phpt files

Fix #78666 mysqli_options generates Warning on var_dump()

Closes GH-5121

Fixed bug #67348: Reading $dbc->stat modifies $dbc->affected_rows

[Bug 75448] In case of failure, mysqli::prepare() returns NULL instead of FALSE

Remove more PHP 6 leftovers from tests

Merge branch 'pull-request/341'

* pull-request/341: (23 commits)
typofixes

fix another test after stat change

Add mysqli_error_list() that returns an array with errors. Typically only
one and just one for libmysql. mysqlnd can return generate more than one error
during its work and with mysqli_error(

Add mysqli_error_list() that returns an array with errors. Typically only
one and just one for libmysql. mysqlnd can return generate more than one error
during its work and with mysqli_error() only the last error is being reported.
In the array returned by mysqli_error_list() / $mysqli->error_list, all errors will be found.
The list is reset when the next command is executed

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Portability improvements

Adapting tests to accept actual behaviour found in 5.2, 5.3 and 6.0. The behaviour is wrong according to the documentation: mysqli_connect_error() should return an empty string (not NULL), if there i

Adapting tests to accept actual behaviour found in 5.2, 5.3 and 6.0. The behaviour is wrong according to the documentation: mysqli_connect_error() should return an empty string (not NULL), if there is no error. However, changing this would break BC and most users will not notice the difference between NULL and empty string anyway.

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Using require[_once] instead of include. Adding logic to connect.inc to detect multiple inclusions of connect.inc which leads to a Fatal error because of my_mysqli_connect() function redefinition. So

Using require[_once] instead of include. Adding logic to connect.inc to detect multiple inclusions of connect.inc which leads to a Fatal error because of my_mysqli_connect() function redefinition. Some tests did include connect.inc twice -> run-tests - even the one from trunk - did not detect Fatal error in SKIPIF -> false-positive test result...

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Proxying as many connect calls as possible to make testing of the compression protocol @ mysqlnd easier. By setting the environment variable MYSQL_TEST_COMPRESS you can tell the tests to set the MYSQ

Proxying as many connect calls as possible to make testing of the compression protocol @ mysqlnd easier. By setting the environment variable MYSQL_TEST_COMPRESS you can tell the tests to set the MYSQLI_CLIENT_COMPRESS flag upon connect.

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Adding --CLEAN-- sections to all ext/mysqli tests

1) The wording of a message can differ by version and by libmysql vs. mysqlnd. 2) %i is better than %s

1) Changing EXPECT[F] sections to work with PHP 5.3 and PHP 6. 2) Merging a couple of fixes I applied to PHP 5.3 only yesterday. The changes should make it a little easier to do MFH and follow the r

1) Changing EXPECT[F] sections to work with PHP 5.3 and PHP 6. 2) Merging a couple of fixes I applied to PHP 5.3 only yesterday. The changes should make it a little easier to do MFH and follow the rules in the future as we will soon have identical tests for PHP 5_3 and HEAD.

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Proper ctor usage (Fix #46044)

- Removed UEXPECT(F)
- Unicodified some tests

Fix tests

MFB - Bug #44352 mysqli_connect_error() false negative for host errors

Fix a failing test