Added validation of `\n` in $additional_headers of mail()

When $additional_headers of mail() is an array, the same validation as
`\r\n` is now applied to `\n` alone too.

Fix GH-8329 Print true/false instead of bool in error and debug messages (#8385)

Revert GH-10220

Cf. <https://github.com/php/php-src/pull/10220#issuecomment-1383739816>.

This reverts commit ecc880f491d66081298a16634629f149459706a9.
This reverts commit 588a07

Revert GH-10220

Cf. <https://github.com/php/php-src/pull/10220#issuecomment-1383739816>.

This reverts commit ecc880f491d66081298a16634629f149459706a9.
This reverts commit 588a07f7371ee2b5fac17de147926780e427fae6.
This reverts commit f377e15751d3aa48b69cd9bcc366ede7803d511f.
This reverts commit b4ba16fe189b109144aff669e11d81365160104b.
This reverts commit 694ec1deea36e366b28b6349a52be49824e1a1a8.
This reverts commit 6b34de8eba9f66882ae16e6073af28783670ac53.
This reverts commit aa1cd02a4367834026ea2205ea13a2f904455aa1.
This reverts commit 308fd311ea6fcf3094b448df7f2b264f08e4fe4f.
This reverts commit 16203b53e1822a37b6ba6f2ab198bb435d05fdad.
This reverts commit 738fb5ca5412f5e833a7fab82b11519e635a3357.
This reverts commit 9fdbefacd3c382d731aa175b7bdc002ec9cb2b30.
This reverts commit cd4a7c1d90562ebb5f89caf94d00d579631b9fbe.
This reverts commit 928685eba2b2f0ded90e7f78fd806ea164002f6e.
This reverts commit 01e5ffc85cd4357fd7b5b7ceefa29f2d10ca26b7.

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ext/{standard,json,random,...}: add missing includes

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.

Fix GH-8086: Introduce mail.mixed_lf_and_crlf INI

When this INI option is enabled, it reverts the line separator for
headers and message to LF which was a non conformant behavior in PHP

Fix GH-8086: Introduce mail.mixed_lf_and_crlf INI

When this INI option is enabled, it reverts the line separator for
headers and message to LF which was a non conformant behavior in PHP 7.
It is done because some non conformant MTAs fail to parse CRLF line
separator for headers and body.

This is used for mail and mb_send_mail functions.

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Fix [-Wundef] warnings in standard extension

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.

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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