Enhancement: Enable `trailing_comma_in_multiline` fixer (#647)

* Enhancement: Enable and configure trailing_comma_in_multiline fixer

* Fix: Run 'make coding-standards'

Improve code for language selection (#709)

Enhancement: Enable `binary_operator_spaces` fixer

Closes GH-667.

Enhancement: Enable `array_syntax` fixer

Co-authored-by: MathiasReker <mathias@reker.dk>

Closes GH-659.

Enhancement: Enable `single_space_after_construct` fixer

Closes GH-640.

HTML A11y improvements in add-note.php, my.php and vote-note.php

Also use strict comparison in pages that are changed.

Closes GH-610.

No alias functions

Canonical functions shall be used instead of aliases.

Closes GH-530.

Combine consecutive issets

Using isset($var) && multiple times should be done in one call.

Co-authored-by: Andreas Möller <am@localheinz.com>

Closes GH-542.

Swap uses of _SERVER[DOCUMENT_ROOT] for __DIR__

1/n - Update / and /include/ only.

Remove references, redirects, and selection of mirrors

Trim trailing whitespace

This patch cleans all redundant trailing whitespace across the
repository except for the icalendar files.

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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Minor language cleanup

Kill off XHTML

Long live HTML5! =)

Fixed typos

Add enable/disable myphpnet setting for the UG beta listing

We have a usable search now, which isn't actually link to this feature anyway

Remove references to the php.net beta design in my.php and always make myphp[dot]net_beta() return true

Renaming alpha references to beta

Change multiple checks and references from 'www.php.net' to plainly 'php.net' to reduce 301's, fix a few broken items, and ease a bit of the load off the server (multiple connections per page when st

Change multiple checks and references from 'www.php.net' to plainly 'php.net' to reduce 301's, fix a few broken items, and ease a bit of the load off the server (multiple connections per page when statically referenced as 'www.php.net.'

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ok.. lets call it alpha program.
fix typo, and mention where to send feedback

Add current config option (ignored in old-web), and FIXME placeholders for pages
not in any menu yet

Add beta feature

Fix bug #52204 (htmlentities E_WARNINGs). Patch by Kalle.

Define and utilize $ACTIVE_ONLINE_LANGUAGES