ext/intl: SpoofChecker::setAllowedChars support.

To limit the acceptable range of acceptable unicode chars via individual
ones or via a pattern.

Preferably include from build dir (#13516)

* Include from build dir first

This fixes out of tree builds by ensuring that configure artifacts are included
from the build dir.

Preferably include from build dir (#13516)

* Include from build dir first

This fixes out of tree builds by ensuring that configure artifacts are included
from the build dir.

Before, out of tree builds would preferably include files from the src dir, as
the include path was defined as follows (ignoring includes from ext/ and sapi/) :

-I$(top_builddir)/main
-I$(top_srcdir)
-I$(top_builddir)/TSRM
-I$(top_builddir)/Zend
-I$(top_srcdir)/main
-I$(top_srcdir)/Zend
-I$(top_srcdir)/TSRM
-I$(top_builddir)/

As a result, an out of tree build would include configure artifacts such as
`main/php_config.h` from the src dir.

After this change, the include path is defined as follows:

-I$(top_builddir)/main
-I$(top_builddir)
-I$(top_srcdir)/main
-I$(top_srcdir)
-I$(top_builddir)/TSRM
-I$(top_builddir)/Zend
-I$(top_srcdir)/Zend
-I$(top_srcdir)/TSRM

* Fix extension include path for out of tree builds

* Include config.h with the brackets form

`#include "config.h"` searches in the directory containing the including-file
before any other include path. This can include the wrong config.h when building
out of tree and a config.h exists in the source tree.

Using `#include <config.h>` uses exclusively the include path, and gives
priority to the build dir.

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Fix reference handling in SpoofChecker

Closes GH-14414.

ext/intl: timezone using fast ZPP and fixing SpoofChecker (#14415)

ext/intl: SpoofChecker using fast ZPP. (#14412)

Fix GH-10647: Spoofchecker isSuspicious/areConfusable methods
error code's argument.

Closes GH-10653.

intl: use uspoof_check2UTF8 call when available. (#9478)

Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as

Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as 3.0 states "php 5.1.1, 4.1.1, and earlier".
3. In some license comments is "at through the world-wide-web" while most is without "at", so deleted.
4. fixed indentation in some files before |

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Promote warning to ValueError for Spoofchecker::setRestrictionLevel()

Closes GH-6197

Remove proto comments from C files

Closes GH-5758

Use RETURN_THROWS() during ZPP in most of the extensions

Except for some bigger ones: reflection, sodium, spl

Remove mention of PHP major version in Copyright headers

Closes GH-4732.

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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Rethink the version checks

As the actual behavior change happens with ICU >= 58, the new
functionality should stay same in the lower versions. This comply also
with lower PHP version

Rethink the version checks

As the actual behavior change happens with ICU >= 58, the new
functionality should stay same in the lower versions. This comply also
with lower PHP versions so far.

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Fix typo

Proper ICU version check for restriction levels availability

Fix build on ICU < 53

Add Spoofchecker::setRestrictionLevel() and corresponding constans

Fixed wrong usage of old ZPP API.

trailing whitespace removal

cleanup intl types

first shot remove TSRMLS_* things

s/PHP 5/PHP 7/

first show to make 's' work with size_t

master renames phase 1