Reset MBREX(search_re) in RSHUTDOWN

This is going to cause a segfault if reused in the next request.
To illustrate the issue, run these two scripts in sequence with
the built-in serv

Reset MBREX(search_re) in RSHUTDOWN

This is going to cause a segfault if reused in the next request.
To illustrate the issue, run these two scripts in sequence with
the built-in server:

// script1.php
mb_ereg_search_init('foobar');
mb_ereg_search('foo');

// script2.php
var_dump(mb_ereg_search_init("foobar"));
var_dump(mb_ereg_search_pos());

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Fix use of mb_ereg_search_getregs() after invalid pattern

This segfaulted because we assumed that if there are matches,
there must be a regular expression as well.

Avoid onig match param unused variable warning

Add fallbacks for older oniguruma versions

Implement RF bug #72777 - ensure stack limits on mbstring functions.

The patch creates new config: mbstring.regex_stack_limit, which
defaults to 100000.

Validate subject encoding in mb_split and mb_ereg_match

We were already validating the subject encoding in most functions,
but not these two.

Validate pattern against mbregex encoding

Oniguruma does not consistently perform this validation itself (at least
on older versions), so make sure we check pattern encoding validity on

Validate pattern against mbregex encoding

Oniguruma does not consistently perform this validation itself (at least
on older versions), so make sure we check pattern encoding validity on the
PHP side.

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Fixed bug #77514

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++