note 78249 added to language.references.return

i didn't understand nothing at all. function &find_var($param) { /* ...code... */ return $found_var; } $foo =& find_var($bar); $foo->x = 2; echo $foo->x; is getting the same result without the sign & function find_var($param) { /* ...code... */ return $found_var; } $foo = find_var($bar); $foo->x = 2; echo $foo->x; can someone give me some practical use of this, with the affects of this thing? because my understanding is limited i guess :\ ---- Server IP: 212.199.163.191 Probable Submitter: 88.155.179.157 ---- Manual Page -- http://www.php.net/manual/en/language.references.return.php Edit -- https://master.php.net/note/edit/78249 Del: integrated -- https://master.php.net/note/delete/78249/integrated Del: useless -- https://master.php.net/note/delete/78249/useless Del: bad code -- https://master.php.net/note/delete/78249/bad+code Del: spam -- https://master.php.net/note/delete/78249/spam Del: non-english -- https://master.php.net/note/delete/78249/non-english Del: in docs -- https://master.php.net/note/delete/78249/in+docs Del: other reasons-- https://master.php.net/note/delete/78249 Reject -- https://master.php.net/note/reject/78249 Search -- https://master.php.net/manage/user-notes.php