If any of these items are highlighted
in red then please take actions to correct them. Failure to do so
could lead to your Joomla installation not functioning
correctly.
These settings are recommended for PHP in order to ensure full
compatibility with Joomla.
However, Joomla will still operate if your settings do not quite match the recommended
In order for Joomla to function
correctly it needs to be able to access or write to certain files
or directories. If you see "Unwriteable" you need to change the
permissions on the file or directory to allow Joomla
to write to it.