Addirional fix for bug #78918

Fixed bug #78768

Remove the typedef from zend_types.h, use explicit struct prefix
instead.

Fix bug #78226: Don't call __set() on uninitialized typed properties

Assigning to an uninitialized typed property will no longer trigger
a call to __set(). However, calls to __set() are

Fix bug #78226: Don't call __set() on uninitialized typed properties

Assigning to an uninitialized typed property will no longer trigger
a call to __set(). However, calls to __set() are still triggered if
the property is explicitly unset().

This gives us both the behavior people generally expect, and still
allows ORMs to do lazy initialization by unsetting properties.

For PHP 8, we should fine a way to forbid unsetting of declared
properties entirely, and provide a different way to achieve lazy
initialization.

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Generalize delref assertion

The refcount should never become negative, not just during GC.

Reduce cost for references to strings and resources

Backported call frame initialization improvement

Fixed bug #72685

We currently have a large performance problem when implementing lexers
working on UTF-8 strings in PHP. This kind of code tends to perform a
large number of matches

Fixed bug #72685

We currently have a large performance problem when implementing lexers
working on UTF-8 strings in PHP. This kind of code tends to perform a
large number of matches at different offsets on a single string. This
is generally fast. However, if /u mode is used, the full string will
be UTF-8 validated on each match. This results in quadratic runtime.

This patch fixes the issue by adding a IS_STR_VALID_UTF8 flag, which
is set when we have determined that the string is valid UTF8 and
further validation is skipped.

A limitation of this approach is that we can't set the flag for interned
strings. I think this is not a problem for this use-case which will
generally work on dynamic data. If we want to use this flag for other
purposes as well (mbstring?) then it might be worthwhile to UTF-8 validate
strings during interning. But right now this doesn't seem useful.

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zend_weakrefs

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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Adios, yearly copyright ranges

Implement typed properties

RFC: https://wiki.php.net/rfc/typed_properties_v2

This is a squash of PR #3734, which is a squash of PR #3313.

Co-authored-by: Bob Weinand <bobwe

Implement typed properties

RFC: https://wiki.php.net/rfc/typed_properties_v2

This is a squash of PR #3734, which is a squash of PR #3313.

Co-authored-by: Bob Weinand <bobwei9@hotmail.com>
Co-authored-by: Joe Watkins <krakjoe@php.net>
Co-authored-by: Dmitry Stogov <dmitry@zend.com>

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Fixed bug #77165

Also add some helper macros for PROTECT/UNPROTECT that check for
IMMUTABLE. These checks are needed for nearly any use of
PROTECT/UNPROTECT.

Future-proof email addresses

Update email addresses. We're still @Zend, but future proofing it...

Introduce get_properties_for() handler

This handler allows getting the object properties for a particular
purpose, such as array casting, serialization, etc.

Clarify that the get_properties handler is required

Some places were checking for non-null get_properties, some weren't.
Make it clear that the handler is required and such checks are no

Clarify that the get_properties handler is required

Some places were checking for non-null get_properties, some weren't.
Make it clear that the handler is required and such checks are not
necessary.

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Fix #76820: Z_COPYABLE invalid definition

We remove the extraneous parenthesis.

Pack zend_constant.flags and zend_constant.module_number into reserved space inside zend_constant.value.

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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Fix build with ZEND_RC_DEBUG

Fixed bug #76509

In PHP static properties are shared between inheriting classes,
unless they are explicitly overwritten. However, because this
functionality was implemented using ref

Fixed bug #76509

In PHP static properties are shared between inheriting classes,
unless they are explicitly overwritten. However, because this
functionality was implemented using reference, it was possible
to break the implementation by reassigning the static property
reference.

This is fixed by switching the implementation from using references
to using INDIRECTs, which cannot be affected by userland code.

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Use COPY_DEREF instead of COPY_UNREF

This fixes the behavior when the storage location of the fetch is
modified before the operand is dereferenced by the using VM opcode.

Furthe

Use COPY_DEREF instead of COPY_UNREF

This fixes the behavior when the storage location of the fetch is
modified before the operand is dereferenced by the using VM opcode.

Furthermore it elimiates references as a possible return value from
*_R opcodes, which will give us more opportunities for inferences,
in particular in regard to typed properties.

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Fix the Z_IMMUTABLE macro - '(' was mismatched

The macro properly has two matching `(` and `)` symbols
after this change.

This typo was causing syntax errors when compiling exte

Fix the Z_IMMUTABLE macro - '(' was mismatched

The macro properly has two matching `(` and `)` symbols
after this change.

This typo was causing syntax errors when compiling extensions
using the (deprecated) macro.

This fixes a bug in the PHP 7.3 branch introduced by
742d5a01ed5bd39a18929c04a5f5c5596a4b005b

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Use SSE2 instruction to reset HashTable

Changed worst HashTable load factor from 1.0 to 0.5