I understand the recursion part, but i dont understand why this fixes it:
$quoteString = implode(",",$_SESSION['quotes'][$key]); $_SESSION['quotes'][$key] = explode(",",$quoteString);
That is essentially just reading the values out, and sticking them back in.
As already stated, your items seem to be self-referencing. It would appear that this process is inserting the *values* of those referenced cells into the quotes array instead of inserting references to the array itself. Sort of like a paste special -> values with Excel if that helps you.
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