note 125374 added to language.references.pass

function set(&$arr) { $test = 10; $arr = &$test; } $arr = [1, 2, 3]; set( $arr ); var_dump( $arr ); // [1, 2, 3] If you changed a reference variable with a new Address, the variable it originally pointed to won't change. ---- Server IP: 45.112.84.4 Probable Submitter: 103.51.167.36 (proxied: 8.210.37.121) ---- Manual Page -- http://php.net/manual/en/language.references.pass.php Edit -- https://master.php.net/note/edit/125374 Del: integrated -- https://master.php.net/note/delete/125374/integrated Del: useless -- https://master.php.net/note/delete/125374/useless Del: bad code -- https://master.php.net/note/delete/125374/bad+code Del: spam -- https://master.php.net/note/delete/125374/spam Del: non-english -- https://master.php.net/note/delete/125374/non-english Del: in docs -- https://master.php.net/note/delete/125374/in+docs Del: other reasons-- https://master.php.net/note/delete/125374 Reject -- https://master.php.net/note/reject/125374 Search -- https://master.php.net/manage/user-notes.php