fix: set default value for empty var

If an config value is not set in the input lines, initialize it as empty
string to prevent PHP Notices complaining about $line[1] being not set.

fix: initialize vars to prevent PHP Notice

A PHP Notice occurred when $url didn't contain a '?'.

adjust default bcrypt iterations to 10. fixes #2093

Test code for workflow 'show - sectionedit - save/cancel' (with modifications in test classes and 'send_redirect()' and 'act_dispatch()'.

always send Vary: Cookie header. fixes #1594

moved function and fixed whitespace errors

Update check supports HTTPS

If SSL is not supported, a HTTP request will be made. In the log the request type will be indicated, but on the frontend no additional message would be shown (I think it'

Update check supports HTTPS

If SSL is not supported, a HTTP request will be made. In the log the request type will be indicated, but on the frontend no additional message would be shown (I think it's better to notify admins about non-SSL situations, but currently when this fetch encounter error, no error message will be shown, so it's better not to add any warning).

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fixed some style errors found by scrutinizer

removed unused, empty files

Fix p_set_metadata damaging contributors with numeric ID

Fix rendering null $language going to GeSHi (fixes #2088)

Fix RSS syntax XSS bug (#2081)

Fix sanitation of $language for code highlighting (fixes #2080)

Support Web Video Text Tracks Format subtitles

move type initialization to getter

used index array for menu items

This makes it a little easier to splice new elements into position

removed old tpl_content_core method

Removed progressbar from searchform

translation update

prevent pages to be shown in trace if you don't have rights to read

small fix

prevent hidden pages to be shown in trace

Replace htmlspecialchars to hsc in core

response on review

extracted functions
added test coverage