Fix #80027 Terrible performance using $query->fetch on queries with many bind parameters

Added new flags that allow skipping param_evt(s) that are not used by drivers,
in a backwards and

Fix #80027 Terrible performance using $query->fetch on queries with many bind parameters

Added new flags that allow skipping param_evt(s) that are not used by drivers,
in a backwards and forward compatible manner. Updated the pgsql, mysql, sqlite
and oci drivers to properly use the new flags. I've left out pdo_dblib, which
doesn't have a param_hook, and pdo_firebird, which seems to be using
PARAM_EVT_NORMALIZE in a wrong context (param type vs event type).

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Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix handling of exception if valid() during yield from

Fix handling of exception if valid() during yield from

Fixes oss-fuzz #25296.

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Make MAX_IFD_NESTING_LEVEL an actual nesting level

Make MAX_IFD_NESTING_LEVEL an actual nesting level

Currently we only ever increment ifd_nesting_level, so this ends up
being a limit on the total number of IFD tags and we regularly get

Make MAX_IFD_NESTING_LEVEL an actual nesting level

Currently we only ever increment ifd_nesting_level, so this ends up
being a limit on the total number of IFD tags and we regularly get
bug reports of it being exceeded. I think the intention behind this
limit was to prevent recursion stack overflow, and for that we only
need to check actual recursive usage. I've implemented that here,
and dropped the nesting limit down to a smaller value
(which still passes our tests).

However, it seems that we do also need to have a total limit on
the number of tags, as we don't catch some instances of infinite
looping otherwise. Add this as a separate limit with a higher
value, that should hopefully be sufficient.

This is expected to fix a number of bugs:

https://bugs.php.net/bug.php?id=78083
https://bugs.php.net/bug.php?id=78701
https://bugs.php.net/bug.php?id=79907
https://bugs.php.net/bug.php?id=80016

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Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Improve error_handing replacement functions

Improve error_handing replacement functions

We explicitly skip calls to user_error_handler in EH_THROW mode

Closes GH-6050.

Don't assert when comparing uninit DateTimeZone objects

Nothing guarantees that the objects are initialized here... just
check as usual.

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Require non-negative length in stream_get_contents()

Require non-negative length in stream_get_contents()

If the length is not -1, require it to be non-negative.

Using such lengths doesn't make sense (as only -1 is special-case
to

Require non-negative length in stream_get_contents()

If the length is not -1, require it to be non-negative.

Using such lengths doesn't make sense (as only -1 is special-case
to read in chunks, anything else will end up doing a huge upfront
allocation) and can lead to string allocation overflow.

A similar check is already in place for file_get_contents(). That
one does not allow -1 (and uses null instead), but this function
is explicitly specified to accept -1, so stick to that behavior.

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Catch potential exceptions during to string conversion

As of PHP 7.4.0, exceptions are allowed to be thrown from inside
`__toString()` methods; we have to cater to that, and catch these

Catch potential exceptions during to string conversion

As of PHP 7.4.0, exceptions are allowed to be thrown from inside
`__toString()` methods; we have to cater to that, and catch these
exceptions early.

Closes GH-6042

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Property handle read_property exception in fetch_property_address

Otherwise we leak (and corrupt uninitialized_zval).

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix com_safearray_proxy related memory management issues

Fix com_safearray_proxy related memory management issues

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Separate COM::__construct()s $server_name array

Separate COM::__construct()s $server_name array

This may otherwise be modified.

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix #64130: COM obj parameters passed by reference are not updated

Fix #64130: COM obj parameters passed by reference are not updated

`ITypeInfo_GetIDsOfNames()` is supposed to fail with `E_NOTIMPL` for
out-of-process servers, thus we should not remove

Fix #64130: COM obj parameters passed by reference are not updated

`ITypeInfo_GetIDsOfNames()` is supposed to fail with `E_NOTIMPL` for
out-of-process servers, thus we should not remove the already available
typeinfo of the object in this case.

We also properly free the `byref_vals`.

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Fix file name clash in test

Avoid socket path clash in test

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix memory leak when yielding from non-iterable

Fix memory leak when yielding from non-iterable

Don't enable --with-mm in CI

Turns out this has a large negative effect on startup time,
making tests much slower.

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Avoid double-free

Avoid double-free

As of commit b2e3fd1[1] the `authid.User` is no longer newly allocated,
so we must not free it.

[1] <http://git.php.net/?p=php-src.git;a=commit;h=b2e3fd1e691b1

Avoid double-free

As of commit b2e3fd1[1] the `authid.User` is no longer newly allocated,
so we must not free it.

[1] <http://git.php.net/?p=php-src.git;a=commit;h=b2e3fd1e691b1dc82aaaf4150461db97bd5acf4a>

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