Fix #80663: Recursive SplFixedArray::setSize() may cause double-free

We address the `::setSize(0)` case by setting `array->element = NULL`
and `array->size = 0` before we destroy the ele

Fix #80663: Recursive SplFixedArray::setSize() may cause double-free

We address the `::setSize(0)` case by setting `array->element = NULL`
and `array->size = 0` before we destroy the elements.

Co-authored-by: Tyson Andre <tyson.andre@uwaterloo.ca>

Closes GH-7503.

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Fix #81429: Handle resizing in SplFixedArray::offsetSet (#7487)

offsetSet did not account for the fact that the array may no longer exist after
the field is overwritten. This fixes that.

Fix #81429: Handle resizing in SplFixedArray::offsetSet (#7487)

offsetSet did not account for the fact that the array may no longer exist after
the field is overwritten. This fixes that.

Add test of resizing both to the empty array and a smaller array - there should
be no valgrind warnings with a proper fix.

Alternate approach to #7486 (described in https://bugs.php.net/bug.php?id=81429)

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Fix #79393: Null coalescing operator failing with SplFixedArray

We favor the KISS principle over optimization[1] – SPL is already
special enough.

[1] <https://github.com/php/php

Fix #79393: Null coalescing operator failing with SplFixedArray

We favor the KISS principle over optimization[1] – SPL is already
special enough.

[1] <https://github.com/php/php-src/pull/2489/commits/352f3d4476a79bb86136b431719df7394e5a8d4e#r112498098>ff

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Replace ZVAL_COPY() and ZVAL_COPY_VALUE() for IS_OBJECT by cheaper macros

Fixed some arg infos to match documentation

Add RETURN_EMPTY_ARRAY() / RETVAL_EMPTY_ARRAY()

The usual wrappers around ZVAL_EMPTY_ARRAY()...

Use ZEND_ACC_REUSE_GET_ITERATOR flag instead of run-time class modification

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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Remove yearly range from copyright notice

Use ZEND_THIS macro to hide implementation details in extensions code.

Replace getThis() by EX(This), when additional check is not necessary.

Micro optimizations

Trim trailing whitespace in source code files

Trim trailing whitespace in source code files

Removed useless IS_UNDEF checks

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
use

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
user who changed it.

In Git this functionality is different and can be done with Git attribute
ident. These need to be defined manually for each file in the
.gitattributes file and are afterwards replaced with 40-character
hexadecimal blob object name which is based only on the particular file
contents.

This patch simplifies handling of $Id$ keywords by removing them since
they are not used anymore.

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Improved user iterator implementation to reduce zend_class_entry memory consumption and avoid race condition during resolving/caching of user iterator functions of internal classes in ZTS build.

Uze ZVAL_COPY_DEREF() instead of ZVAL_DEREF() and ZVAL_COPY()

Export standard object handlers, to avoid indirect access

Removed useless zval_ptr_dtor()

Remove return types from some magic method in protos

__construct, __destruct, __wakeup does not have return types defined.

Trailing whitespaces

Signed-off-by: Gabriel Caruso <carusogabriel34@gmail.com>

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