Add support for mbstring.regex_retry_limit

This is very similar to the existing mbstring.regex_stack_limit,
but for backtracking. The default value matches pcre.backtrack_limit.
Only

Add support for mbstring.regex_retry_limit

This is very similar to the existing mbstring.regex_stack_limit,
but for backtracking. The default value matches pcre.backtrack_limit.
Only used on libonig >= 2.8.0.

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Fix internal_encoding fallback in mbstring

By introducing a hook that is called whenever one of
internal_encoding / input_encoding / output_encoding changes, so
that mbstring can adj

Fix internal_encoding fallback in mbstring

By introducing a hook that is called whenever one of
internal_encoding / input_encoding / output_encoding changes, so
that mbstring can adjust it's internal state.

This also makes internal_encoding work with zend multibyte.

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

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

Implement mb_str_split()

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

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

Remove unused prototype in mbstring

Reported by legale.

Use zend_string for mbstring last encoding cache

Saves us a string duplication, as well as case-insensitive string
comparisons for the likely case of an interned string encoding.

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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year++

year++

year++

Refactor mbstring READMEs

size_t fixes

Adjust datatypes and reorder which saves 8 bytes on 64-bit

touch yet more places for datatypes

Mitigation for ssize_t issue in 22a5f554a8766d63fd2c2ce91a90ebacb13c0f6a

and some more

Add basic mbstring encoding cache

Store the last used encoding and compare against it. It's quite
likely that an application is going to be using the same encoding
again and again.

Add basic mbstring encoding cache

Store the last used encoding and compare against it. It's quite
likely that an application is going to be using the same encoding
again and again.

The actual mbfl_name2encoding() function could also be optimized
to use a hash lookup rather than a linear scan, but we don't have
a hashtable implmentation in libmbfl...

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Switch libmbfl to use size_t

Switch mbfl_string and related structures to use size_t lengths.

Quite likely that I broke some things along the way...

Avoid unnecessary encoding lookups in mbstring

Extract part of php_mb_convert_encoding that does the actual work
and use it whenever we already know the encoding.

Update copyright headers to 2017

Update copyright headers to 2017

Update copyright headers to 2017

further normalizations, uint vs uint32_t

fix merge mistake

yet one more replacement run

pull-request/1099
Request #65081 - implemeting mb_scrub