[TYPO3-core] FYI24: Bug #16703: TCEForms->getIconHTML() does not resolve back paths before checking static files

[Jeff Segars]

Hey guys,

The following SVN patch request will be committed in 24 hours if no one 
objects.

Type: Bugfix
Bugtracker reference: http://bugs.typo3.org/view.php?id=16703
Branch: trunk

Problem:
TCEForms->getIconHTML() returns the HTML for a static image file or a 
sprite icon. When checking for a static image file, the back path is not 
resolved before calling is_file() so references such as 
"../uploads/path/to/my/file.png" will fail.

This is most easily reproduced with TemplaVoila and preview icons for 
Data Structures and Template Objects.

Solution:
Let t3lib_div::resolveBackPath process the path before we check if it is 
a file.

Thanks,
Jeff


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