note 106765 added to function.array-diff

Neither array_diff(array_merge(a,b),array_intersect(a,b)) nor array_diff(a,b) will give you an array with the keys where elements have been added or deleted in b in comparision to a. Consider arrays: array('A'=>1, 'B'=>null) array('A'=>null, 'B'=>2) ---- Server IP: 69.147.83.197 Probable Submitter: 79.229.105.128 ---- Manual Page -- http://www.php.net/manual/en/function.array-diff.php Edit -- https://master.php.net/note/edit/106765 Del: integrated -- https://master.php.net/note/delete/106765/integrated Del: useless -- https://master.php.net/note/delete/106765/useless Del: bad code -- https://master.php.net/note/delete/106765/bad+code Del: spam -- https://master.php.net/note/delete/106765/spam Del: non-english -- https://master.php.net/note/delete/106765/non-english Del: in docs -- https://master.php.net/note/delete/106765/in+docs Del: other reasons-- https://master.php.net/note/delete/106765 Reject -- https://master.php.net/note/reject/106765 Search -- https://master.php.net/manage/user-notes.php