It is quite interesting that $input can be any object. More information on that would be required for the people who want to override this method.
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Server IP: 69.147.83.197
Probable Submitter: 188.98.115.248
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Manual Page -- http://www.php.net/manual/en/arrayobject.exchangearray.php
Edit -- https://master.php.net/note/edit/97994
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Del: useless -- https://master.php.net/note/delete/97994/useless
Del: bad code -- https://master.php.net/note/delete/97994/bad+code
Del: spam -- https://master.php.net/note/delete/97994/spam
Del: non-english -- https://master.php.net/note/delete/97994/non-english
Del: in docs -- https://master.php.net/note/delete/97994/in+docs
Del: other reasons-- https://master.php.net/note/delete/97994
Reject -- https://master.php.net/note/reject/97994
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