Accommodate changes to canonicalized forms in ICU >= 70.1

Refer to:
https://github.com/unicode-org/icu/commit/01e1adc9e412c9c3177dc3e30d056c25d8687853

Fix #72809: Locale::lookup() wrong result with canonicalize option

Canonicalization converts the locale to ICU format[1]. However, the
lookup described in RFC 4647, section 3.4, is abou

Fix #72809: Locale::lookup() wrong result with canonicalize option

Canonicalization converts the locale to ICU format[1]. However, the
lookup described in RFC 4647, section 3.4, is about POSIX format. To
make that lookup work for ICU format, we also need to cater to keyword
separators.

The results are somewhat unexpected, but apparently canonical lookup is
explicitly supposed to return canonical language tags[2].

[1] <https://unicode-org.github.io/icu/userguide/locale/#canonicalization>
[2] <https://github.com/php/php-src/blob/php-7.4.20/ext/intl/locale/locale_methods.c#L1504>

Closes GH-7151.

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Fix bug #78804 - Segmentation fault in Locale::filterMatches

Change ZPP only if compiled with ICU >= 64

Update tests for ICU 64

(cherry picked from commit 8a8bc5c4529223ecf4f421b1bed03618f7394335)

Update tests for ICU 64

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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Trim trailing whitespace in source code files

Trim trailing whitespace in source code files

Fix some misspellings

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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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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Use zend_string_release_ex() instread of zend_string_release() in places, where we sure about string persistence.

Avoid useless checks, using zend_string_efree(), in cases where the string is known to be a temporary allocated zend_string.

Fix duplicated strlen call

Remove unnecessary conditions and improve assignment

Reduce var scope

Use bool instead of boolean in proto

Trailing whitespaces

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

remove TSRMLS_*

More string length checks & fixes

More string length checks & fixes

update len in fallback cases

(cherry picked from commit 58b18892bf3db0adf2a01f92adb4c907700fbbdd)

avoid strlen

(cherry picked from commit aaa5d07365b54f35ba3b5024492450f3d2fe4ee5)

Add more locale length checks, due to ICU bugs.

(cherry picked from commit d3eb58332af433982f1e2ae9095fb087974a95f2)
(cherry picked from commit 87a8240b5adc730153e6df54f33195aee1325e6f)