note 101613 added to function.array-diff

Note that array_diff is not equivalent to function fullArrayDiff($left, $right) { return array_diff(array_merge($left, $right), array_intersect($left, $right)); } since it is a set-theoretical complement as in http://en.wikipedia.org/wiki/Complement_(set_theory) ---- Server IP: 69.147.83.197 Probable Submitter: 89.182.192.78 ---- Manual Page -- http://www.php.net/manual/en/function.array-diff.php Edit -- https://master.php.net/note/edit/101613 Del: integrated -- https://master.php.net/note/delete/101613/integrated Del: useless -- https://master.php.net/note/delete/101613/useless Del: bad code -- https://master.php.net/note/delete/101613/bad+code Del: spam -- https://master.php.net/note/delete/101613/spam Del: non-english -- https://master.php.net/note/delete/101613/non-english Del: in docs -- https://master.php.net/note/delete/101613/in+docs Del: other reasons-- https://master.php.net/note/delete/101613 Reject -- https://master.php.net/note/reject/101613 Search -- https://master.php.net/manage/user-notes.php