Remove 'e' modifier for mb_ereg_replace()

This was deprecated in PHP 7.1 through
https://wiki.php.net/rfc/deprecate_mb_ereg_replace_eval_option.

Fixed bug #77514

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 #77428

mb_ereg_replace historically has not supported escaping backslashes
with backslashes. Go back to that behavior for BC reasons.

Fix #77367: Negative size parameter in mb_split

When adding the last element to the result value of `mb_split`, the
`chunk_pos` may point beyond the end of the string, in which case the

Fix #77367: Negative size parameter in mb_split

When adding the last element to the result value of `mb_split`, the
`chunk_pos` may point beyond the end of the string, in which case the
unsigned `n` would underflow. Therefore, we check whether this is the
case in the first place, and only calculate `n` otherwise. Since `n`
is no longer used outside the block, we move its declaration inside.

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Trim trailing whitespace in source code files

Trim trailing whitespace in source code files

Fix typos in code comments

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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Add UPGRADING for mb_ereg changes

Also some minor code cleanup.

adds support for named subpatterns to `mb_ereg_replace`

Named subpatterns are now passed to `mb_ereg_replace_callback`.

This commit also adds a subset of the oniguruma back-referenc

adds support for named subpatterns to `mb_ereg_replace`

Named subpatterns are now passed to `mb_ereg_replace_callback`.

This commit also adds a subset of the oniguruma back-reference syntax
for replacements:
* `\k<name>` and `\k'name'` for named subpatterns.
* `\k<n>` and `\k'n'` for numbered subpatterns
These last two notations allow referencing numbered groups where n > 9.

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adds support for named captures to mb_ereg & mb_ereg_search

`mb_ereg`, `mb_ereg_search_regs` & `mb_ereg_search_getregs`
returned only numbered capturing groups.
Now they return both

adds support for named captures to mb_ereg & mb_ereg_search

`mb_ereg`, `mb_ereg_search_regs` & `mb_ereg_search_getregs`
returned only numbered capturing groups.
Now they return both numbered and named capturing groups.
Fixes Bug #72704.

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Fixed incorrrecr zval_dtor() usage to replace value of argument passed by reference, that may lead to memory leaks.

Replace legacy zval_dtor() by zval_ptr_dtor_nogc() or even more specialized destructors.
zval_dtor() doesn't make a lot of sense in PHP-7.* and it's used incorrectly in some places.
Its occur

Replace legacy zval_dtor() by zval_ptr_dtor_nogc() or even more specialized destructors.
zval_dtor() doesn't make a lot of sense in PHP-7.* and it's used incorrectly in some places.
Its occurances should be replaced by zval_ptr_dtor() or zval_ptr_dtor_nogc(), or even more specialized destructors.

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Remove code duplication

And fix indentation

Rework datatypes wrt warnings

Fix #76113: mbstring does not build with Oniguruma 6.8.1

As of Oniguruma 6.8.1, the regex structure has been moved from the
public `oniguruma.h` to the private `regint.h`. Thus, it is n

Fix #76113: mbstring does not build with Oniguruma 6.8.1

As of Oniguruma 6.8.1, the regex structure has been moved from the
public `oniguruma.h` to the private `regint.h`. Thus, it is no longer
possible to directly access the struct's members, and actually, there
is no need to, since there are respective accessor functions available
at least of 2.3.1.

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Trailing whitespaces

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

year++

year++

year++

Move constants into read-only data segment

Use Zend MM heap

Remove more unnecessary checks on Zend's allocator functions

Update copyright headers to 2017