Replace dirname(__FILE__) by __DIR__ in tests

Remove local variables

This patch removes the so called local variables defined per
file basis for certain editors to properly show tab width, and
similar settings. These are mainly

Remove local variables

This patch removes the so called local variables defined per
file basis for certain editors to properly show tab width, and
similar settings. These are mainly used by Vim and Emacs editors
yet with recent changes the once working definitions don't work
anymore in Vim without custom plugins or additional configuration.
Neither are these settings synced across the PHP code base.

A simpler and better approach is EditorConfig and fixing code
using some code style fixing tools in the future instead.

This patch also removes the so called modelines for Vim. Modelines
allow Vim editor specifically to set some editor configuration such as
syntax highlighting, indentation style and tab width to be set in the
first line or the last 5 lines per file basis. Since the php test
files have syntax highlighting already set in most editors properly and
EditorConfig takes care of the indentation settings, this patch removes
these as well for the Vim 6.0 and newer versions.

With the removal of local variables for certain editors such as
Emacs and Vim, the footer is also probably not needed anymore when
creating extensions using ext_skel.php script.

Additionally, Vim modelines for setting php syntax and some editor
settings has been removed from some *.phpt files. All these are
mostly not relevant for phpt files neither work properly in the
middle of the file.

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Trim trailing whitespace in *.phpt

Remove superfluous SKIPIF sections of always available interfaces

Remove trailing whitespace

Explicitly allow NULL values for dblib compatibility

MSSQL won't necessarily default columns to NULL, see:
https://msdn.microsoft.com/en-us/library/ms174979.aspx#Nullability Rules Within

Explicitly allow NULL values for dblib compatibility

MSSQL won't necessarily default columns to NULL, see:
https://msdn.microsoft.com/en-us/library/ms174979.aspx#Nullability Rules Within a Table Definition

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Fix PDO tests to match SQL standard syntax and pass Firebird tests.

Addendum to #73234: Assume param types are nullable

Fix #73234: Emulated statements let value dictate parameter type

The prepared statement emulator (pdo_sql_parser.*) figures out how to quote
each query parameter. The intended type is sp

Fix #73234: Emulated statements let value dictate parameter type

The prepared statement emulator (pdo_sql_parser.*) figures out how to quote
each query parameter. The intended type is specified by the PDO::PARAM_*
consts, but this direction wasn't always followed. In practice, queries could
work as expected, but subtle errors could result. For example, a numeric string
bound as PDO::PARAM_INT would be sent to a driver's quote function. While these
functions are told which type is expected, they generally assume values are
being quoted as strings. This can result in implicit casts, which are bad for
performance.

This commit includes the following changes:
- Cast values marked as bool/int/null to the appropriate type and bypass the
driver's quote function.
- Save some memory by dropping the temporary zval used for casting.
- Avoid a memory leak if the driver's quote function produces an error.
- Appropriate test suite updates.

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Add special case for earlier versions of TDS

Explicitly allow NULL values for dblib compatibility

MSSQL won't necessarily default columns to NULL, see:
https://msdn.microsoft.com/en-us/library/ms174979.aspx

- Fixed tests

- Fixed tests

fix test

Fixed bug #40757 (get_object_vars get nothing in child class)
Fixed bug #41929 (Foreach on object does not iterate over all visible properties)

Correct non-standard SQL. Standard SQL would define "DEFAULT NULL" -- but
that is the default value if the DEFAULT clause is omitted anyways.

- MFH change require to require_once

- Add ability to execute .php generated from .phpt on failure without the
need to manually set the environment.

MFH: Make PDO use class constants

some drivers want you to say that its ok to use NULL for these columns.

should always bind columns after execute.
There're probably more of these to fix.

Added:

proto bool PDOStatement::closeCursor()
Closes the cursor, leaving the statement ready for re-execution.

The purpose of the function is to free up the connection to the se

Added:

proto bool PDOStatement::closeCursor()
Closes the cursor, leaving the statement ready for re-execution.

The purpose of the function is to free up the connection to the server so that
other queries may be issued, but leaving the statement in a state that it can
be re-executed.

This is implemented either as an optional driver specific method (allowing for
maximum efficiency), or as the generic PDO fallback if no driver specific
function is installed.

The PDO generic fallback is semantically the same as writing the following code
in your PHP script:

do {
while ($stmt->fetch())
;
if (!$stmt->nextRowset())
break;
} while (true);

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and as a result, need to update the expected data

we declare the column as NOT NULL, so inserting NULL is not a good idea.

1st set of fixes to make tests work with MySQL

# Additional changes pending