Fix GH-10990: mail() throws TypeError after iterating over $additional_headers array by reference

We should dereference the values, otherwise references don't work.

Closes GH-10991.

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Fix GH-7875: mails are sent even if failure to log throws exception

Fix GH-7875: mails are sent even if failure to log throws exception

We explicitly check for an exception after the logging attempt, and
bail out in that case.

Co-authored-by: Ti

Fix GH-7875: mails are sent even if failure to log throws exception

We explicitly check for an exception after the logging attempt, and
bail out in that case.

Co-authored-by: Tim Düsterhus <timwolla@googlemail.com>

Closes GH-7878.

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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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Use zend_string_equals_(literal_)ci() API more often

Also drive-by usage of zend_ini_parse_bool()

Closes GH-6844

Replace zend_bool uses with bool

We're starting to see a mix between uses of zend_bool and bool.
Replace all usages with the standard bool type everywhere.

Of course, zend_bool

Replace zend_bool uses with bool

We're starting to see a mix between uses of zend_bool and bool.
Replace all usages with the standard bool type everywhere.

Of course, zend_bool is retained as an alias.

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Remove IGNORE_URL_WIN macro

This macro is defined to zero as of PHP 5.0.0, and as the comment
indicates, is no longer relevant. Thus, we remove the definition and
all usages from th

Remove IGNORE_URL_WIN macro

This macro is defined to zero as of PHP 5.0.0, and as the comment
indicates, is no longer relevant. Thus, we remove the definition and
all usages from the core and bundled extensions.

Closes GH-6351.

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Promote a few remaining errors in ext/standard

Closes GH-6110

Also forbid null bytes in mail()

I've adjusted mb_send_mail() already, but of course the handling
in mail() should be the same.

Consolidate new union type ZPP macro names

They will now follow the canonical order of types. Older macros are
left intact due to maintaining BC.

Closes GH-6112

Remove proto comments from C files

Closes GH-5758

Constify char * arguments of APIs

Closes GH-5676.

Fix #47983: mixed LF and CRLF line endings in mail()

Email headers are supposed to be separated with CRLF. Period.

Make error messages more consistent by fixing capitalization

Closes GH-5066 As a first step, let's capitalize their initial letter when it is applicable.

Merge branch 'PHP-7.4'

* PHP-7.4:
Fix #54298: Using empty additional_headers adding extraneous CRLF

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix #54298: Using empty additional_headers adding extraneous CRLF

Fix #54298: Using empty additional_headers adding extraneous CRLF

If the header string is empty, we pass `NULL` to `php_mail()` to avoid
further checks on the string length.

Convert string|array union parameter types

Closes GH-4995

Remove ezmlm_hash() function

Remove mention of PHP major version in Copyright headers

Closes GH-4732.

Finish func_info updates for ext/standard

Remove HAVE_SIGNAL_H

The `<signal.h>` header file is part of the standard C89 headers [1] and
on current systems can be included unconditionally.

Since file requires at least C8

Remove HAVE_SIGNAL_H

The `<signal.h>` header file is part of the standard C89 headers [1] and
on current systems can be included unconditionally.

Since file requires at least C89 or greater, the `HAVE_SIGNAL_H` symbol
defined by Autoconf in Zend.m4 [2] can be ommitted and simplifed.

The bundled libmagic (file) also ommits the usage of HAVE_SIGNAL_H since
5.35 however current version in PHP is very modified 5.34 version and
will be refactored separately. Check for HAVE_SIGNAL_H is therefore
still done in the configure.ac.

Refs:
[1] https://port70.net/~nsz/c/c89/c89-draft.html#4.1.2
[2] https://git.savannah.gnu.org/cgit/autoconf.git/tree/lib/autoconf/headers.m4

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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 redundant HASH_OF in mail.c

And use ZEND_HASH_FOREACH_STR_KEY_VAL where the integer key is not
needed.