TYPO3 Core

Typolink refactoring introduced a bug in that one wrong parameter is passed to the hooks registered with $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/class.tslib_content.php']['typolinkLinkHandler'].

The error can be seen here: https://review.typo3.org/#/c/21785/11/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php

Previous to this change, the call to the registered hook was:

return $linkHandlerObj->main($linktxt, $conf, $linkHandlerKeyword, $linkHandlerValue, $link_param, $this);

The interesting argument here is $link_param, which is the full link parameter, so for example something like 36 - - "My link to some page".

After the change, the call is as follows:

return $linkHandlerObj->main($linkText, $configuration, $linkHandlerKeyword, $linkHandlerValue, $linkParameterParts, $this);

where $linkParameterParts is not at all the same variable as $link_param. Instead it is the result of:

$linkParameterParts = GeneralUtility::unQuoteFilenames($mixedLinkParameter, TRUE);

where $linkParameterParts is what $link_param used to be.

This breaks extensions that register link handlers, like "linkhandler" (obviously not the public version which is very old, but for example Alex's fork: https://github.com/Intera/typo3-extension-linkhandler).

How to reproduce the problem:

1. first you need a 7+ compatible version of "linkhandler", which I just have as a working copy for now, but have uploaded here: https://dl.dropboxusercontent.com/u/12217100/linkhandler.t3x
2. next, define a link to some news records and give it a title with some blanks in it (e.g. someting like "Title with blanks in it").
3. observed the rendered URL: there should be an extraneous GET var which corresponds to the second word in the title (i..e "with")