Rewriting usort function because of fatal error (PHP bug)
- by Lionel
The two following usort functions throw fatal error Base lambda function for closure not found in our productive environment (PHP 5.4). This seems to be a known PHP bug that should be fixed by now (https://bugs.php.net/bug.php?id=52144), but it still occurs for us.
Anyway, we unfortunately don't have time to figure out what's wrong with our PHP…