Move php8 pages into releases/8.0 and use 'php8' for config tag

Update include/layout.inc

Co-authored-by: Gabriel Caruso <carusogabriel34@gmail.com>

Drop Dutch translation because switch does not work

Minor markup updates for German translation

Update Dutch translation markup

Adopt changes made to 8_0_x.php into 8_0_x_de.php

Translate PHP 8 announcement to german (#2)

Co-authored-by: Roman Pronskiy <root@pronskiy.com>

add dutch translation for PHP8 splash page (#3)

* add dutch translation for PHP8 splash page

* fix some typos and reword some things

Co-authored-by: Roman Pronskiy <root@pr

add dutch translation for PHP8 splash page (#3)

* add dutch translation for PHP8 splash page

* fix some typos and reword some things

Co-authored-by: Roman Pronskiy <root@pronskiy.com>

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Updated a diagram

Remove unused code

Remove dead code

Do not assume CWD, properly encode dynamic URL parts

Hide PHP8 menu item if 8 is not released yet

Update links Minor Ru texts fixes

Replaced the image, moved lists

Update pt_BR translation by @flavioheleno

Fix active state for PHP8 menu item

Syntax highlighting for other languages

Syntax highlighting

Apply suggestions from code review

Co-authored-by: Gabriel Caruso <carusogabriel34@gmail.com>

Apply suggestions from code review

Co-authored-by: Sergey Panteleev <sergey@php.net>

Add highlighting for code blocks

Add doc link for union types

Add pt_BR page fro PHP 8 release

Update Russian texts