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Patch facility
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The patch facility has been provided to try and make it easier to
produce patches for OpenDb AND to make it easier for users to
actually apply patches.
There are a few things that a patch creator must make sure of:
The patch/????/index.php and called/included scripts must
ensure that all links are $PHP_SELF links that include a
from=$from as a url parameter, otherwise the script will
not work if it takes more than one step to complete.
Be sure to include a
// This is important for security reasons.
if($CONFIG_VARS['patch.enable']===TRUE && $from)
{
... patch logic ...
}
around all patch functionality to ensure that the script cannot
be called outside of the patch facility.
Setting the $CONFIG_VARS['patch.enable'] = FALSE will disable access to the
patch.php and install.php scripts. This saves deleting them.
The patch.php will setup a frameset structure. The menu will
be the first frame. The frames will be evenly split 50/50.
Be sure to include a target=main for all links in the menu block.
Use op=result for all action operations.
Use op=main for all setup in the main block that will then result in a
result action.
Use op=menu for the menu.
The index.php should expect at least $op=menu and else for the
setup of the data.
Take a look at the existing patches for assistance.
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