code style: line breaks

Merge branch 'master' into psr2

changes from commit b15f23f6735eabb6dc7e4a996e4ae164139ab7f5 may have
been lost, because the code changed to much.

changes from commit df81ca99eeaf4753d6f09cbddbb529

Merge branch 'master' into psr2

changes from commit b15f23f6735eabb6dc7e4a996e4ae164139ab7f5 may have
been lost, because the code changed to much.

changes from commit df81ca99eeaf4753d6f09cbddbb529afe7ef71c7 need to be
verified. we might need to do some more adjustments.

* master: (49 commits)
translation update
translation update
translation update
translation update
translation update
translation update
translation update
Update config.class.php
translation update
translation update
Update lang.php
Add ugc hint to nofollow
add UGC hint
translation update
translation update
use a script to fetch the correct phpunit
Revert "output travis php version for easier debugging"
setup databases for unit tests in travis
output travis php version for easier debugging
translation update
...

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replaced deprecated utf8 functions

For now this uses full qualified namespaces, sensible imports may come
later.

mark old utf8 functions deprecated

Actually replacing all calls is still to come.

Some cleanup for the UTF-8 stuff

Docblocks, imports, etc...

Moved all utf8 methods to their own namespaced classes

This doesn't really change much since the old functions are still needed
for compatibility reasons. We may be able to reduce the number of
func

Moved all utf8 methods to their own namespaced classes

This doesn't really change much since the old functions are still needed
for compatibility reasons. We may be able to reduce the number of
functions by checking which ones we really need.

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PSR2 style fixes

These are some simple whitespace/arrangement things that apparantly
can't be fixed automatically

utf8_tohtml: add $all param to encode everything (default false)

This is useful when every character needs to be converted to HTML entities, e.g. (email) `obfuscate()`. Respective test has also been

utf8_tohtml: add $all param to encode everything (default false)

This is useful when every character needs to be converted to HTML entities, e.g. (email) `obfuscate()`. Respective test has also been added.

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visibility fixes

First start at declaring visibilites for methods and properties. Still
missing: the parser/renderer stuff and the plugins

line lengths shortened

This makes sure all files use line lenghts shorter than 120 characters.

This is a quick fix. It might not always be the nicest change.

Let `utf8_substr` use `utf8_strlen` instead of `strlen(utf8_decode($value))`

Make `utf8_strlen` use multiple fallback options

replace some var keywords

This should fix some tests on PHP 7.1. The work is far from done, we
still have a lot of variables without proper accessibility defined.

Fixed broken links to php.net and redirecting pages to php.net

Added class-exitsts

Normalization is required to manage multibyte characters.

The OSX uses Unicode-NFD so normalization is required to manage multibyte characters.

( http://unicode.org/reports/tr15/ )

If don't do

Normalization is required to manage multibyte characters.

The OSX uses Unicode-NFD so normalization is required to manage multibyte characters.

( http://unicode.org/reports/tr15/ )

If don't do that, DokuWiki can't find the file uploaded from OS X with multibyte filename like '도쿠위키.jpg'

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PHPDocs and some improvements

more PHPDocs, unused var, small bit code reformatting

check for unicode preg capabilities in UTF-8 lib FS#2636

We now have two defines for checking for UTF-8 and Unicode property
support in PREG and use them to work around FS#2636 on older systems.

more utf8_basename fixes

Fix utf8_basename for files in the root directory

fix utf8_basename for file names without any directory

added utf8_basename()

This is a locale independent version of basename to work around
https://bugs.php.net/bug.php?id=37738

The function is not yet used anywhere. It should be at least used
where e

added utf8_basename()

This is a locale independent version of basename to work around
https://bugs.php.net/bug.php?id=37738

The function is not yet used anywhere. It should be at least used
where ever non-ASCII filenames and paths are handled. Simply replacing
all calls to basename() with this function might be the safest.

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some phpdoc updates

coding style updates