ItemManager 2.0

[Felix]

Ok, one step further in the proces.

Of course I have to remove backend.php from the form action, since this action is already in the backend.php template file
and not in a separate backend.php file.

So after changing this line:
echo '<form action="./backend.php" method="post">';

into this:
echo '<form action="" method="post">';

It is now working locally with Laragon. Haven't tested this yet online.
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Despite that it is working now locally, how does it find the location of the framework folder ?

include 'framework/imanager.php'; this is a relative path,
but the folder framework does not exist relative to the backend.php template file,
it is in the root of GS.

So I guess the ItemManager-3 api takes care of this ?
But how ?