Use "must not" instead of "cannot" wording

Use new helper function for "cannot be empty" ValueErrors

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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Clean-up some more headers (#14416)

Remove unused headers (such as php_ini.h for extensions that don't define INI settings)
Use more specific headers when possible

ext/intl: odn, collator, msgformat using fast ZPP (#14421)

ext/intl: Various refactoring (#14360)

* ext/intl: Small extension cleanup

* ext/intl: Normalize cloning error handling behaviour

Always throw a Error exception as we canno

ext/intl: Various refactoring (#14360)

* ext/intl: Small extension cleanup

* ext/intl: Normalize cloning error handling behaviour

Always throw a Error exception as we cannot progress from here

* ext/intl: idn.c use ValueErrors where appropriate

Drive-by refactoring

* ext/intl: Remove some unused headers

Probably more cleanup can be done

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Declare ext/intl constants in stubs - part 14 (#9387)

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Fix default value of $flags in idn_to_ascii() and idn_to_utf8()

Fix default value of $flags in idn_to_ascii() and idn_to_utf8()

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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Remove proto comments from C files

Closes GH-5758

Use RETURN_THROWS() in various places

Use RETURN_THROWS() during ZPP in most of the extensions

Except for some bigger ones: reflection, sodium, spl

Cleanup return values for Intl when parameter parsing is unsuccessful

Closes GH-4871.

Remove mention of PHP major version in Copyright headers

Closes GH-4732.

Intl: Don't separately report "bad arguments" errors

zpp will be throwing for these now, don't report them in addition to
that.

Merge branch 'PHP-7.4'

* PHP-7.4:
Update and fix remaining year ranges (2019)

Update and fix remaining year ranges (2019)

This patch follows previous license year ranges updates. With new
approach source code files now have simplified headers with license
info

Update and fix remaining year ranges (2019)

This patch follows previous license year ranges updates. With new
approach source code files now have simplified headers with license
information without year ranges.

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Merge branch 'PHP-7.4'

* PHP-7.4:
Remove local variables

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 deprecated INTL_IDNA_VARIANT_2003

Cf. <https://wiki.php.net/rfc/deprecate-and-remove-intl_idna_variant_2003>

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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Simplify buffer management in php_intl_idn_to_46()

Instead of manually tracking how/whether the buffer is used, make
use of the string refcount.

Merge branch 'PHP-7.3'

Remove invalid free

The initialization of buffer has been moved further down in 7.3,
so this free is no longer legal.