fix is_ssl() check

There was a global statement missing? This seems to have to been
broken in one of the recent merges.

Tests have been cleaned up but not changes in logic.

return false in getUserData in case of errors

The interface contract for the method getUserData does not allow an empty array to be returned.

�� Rector and PHPCS fixes

fix FeedPageProcessorTest on Github

It seems that the dataProvider generator runs before the rest of the
test suite, resulting in a wrong modification timestamp being read.

It's unclear why this ha

fix FeedPageProcessorTest on Github

It seems that the dataProvider generator runs before the rest of the
test suite, resulting in a wrong modification timestamp being read.

It's unclear why this happens on Github only.

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check feed validity at w3c validator

feed: use default favicon as very last resort

The dokuwiki logos we deliver in the wiki namespace are preferable.

feed: set item date. fixes #2960

The date was completely missing in the recent refactor. This readds it
and uses a unix timestamp as suggested in #2960

style fixes

feed: set tagline as subtitle. fixes #2239

Update rector and the used class namespace

Seems like the class alias for Rector\Core is removed in 19.2 This
should fix the rector runs on github.

translation update

Feed creation refactoring

This breaks up the humongous functions from feed.php into multiple
classes. To keep compatibility with existing Plugin events, the basic
principle of how the feed is assemb

Feed creation refactoring

This breaks up the humongous functions from feed.php into multiple
classes. To keep compatibility with existing Plugin events, the basic
principle of how the feed is assembled has not been changed:

* depending on the given mode and other options lose arrays of items are
gathered
* these items are then converted (again based on the various options)
into proper FeedItems
* the FeedItems are then added to the Feed

The conversion from loosely typed item data to something more structured
is now done by the FeedItemProcessor classes. Some very basic tests have
been added. It does not cover erverything but covers more than before
(which was nothing).

Manual testing before merging this is highly recommended. I am not
confident that I ported over everything correctly.

No new features have been added, but especially media support could and
should be improved in the future.

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fall back to empty (root) dir for base dir detection

When a basedir could not be detected, the default previously was '.'
resulting in a valid but weird URL (http://example.com/./doku.php). We
now d

fall back to empty (root) dir for base dir detection

When a basedir could not be detected, the default previously was '.'
resulting in a valid but weird URL (http://example.com/./doku.php). We
now default to an empty dir, resulting in a more sensible URL of
http://example.com/doku.php

This should not matter in real web server setups but will be in effect
while testing.

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translation update

adjust php.net URL

https://secure.php.net is redirected to https://www.php.net by now, see PR#2371

�� Update deleted files

adjust AES encryption to match phpseclib version2

See https://github.com/phpseclib/phpseclib/discussions/1974#discussioncomment-8107663

add (failing) compability test for AES encryption

upgrade to phpseclib 3

This replaces the dependabot PR #4114 and adjusts the usage of the
library.

translation update

LegacyAPI: fix return types on missing pages

fix error handling in XMLRPC

response errors in call() need to be returned as Error not as thrown
Exception.

API: fix media handling in legacy API

tune parallel tasks in rector

The default options for running paralell rector tasks changed in 0.19
resulting in failures on github runners.

See also https://github.com/rectorphp/rector/issues/8396

update rector