note 122020 added to function.shmop-open

One is not able to reconnect to a segment with key 0. For any other key (e.g. 1) the flags just work fine. php > $soid = shmop_open(0,"n",0600,10); php > $soid = shmop_open(0,"w",0600,10); PHP Warning: shmop_open(): unable to attach or create shared memory segment 'Invalid argument' in php shell code on line 1 PHP Stack trace: PHP 1. {main}() php shell code:0 PHP 2. shmop_open(0, 'w', 384, 10) php shell code:1 ---- Server IP: 208.43.231.9 Probable Submitter: 91.11.86.155 ---- Manual Page -- http://php.net/manual/en/function.shmop-open.php Edit -- https://master.php.net/note/edit/122020 Del: integrated -- https://master.php.net/note/delete/122020/integrated Del: useless -- https://master.php.net/note/delete/122020/useless Del: bad code -- https://master.php.net/note/delete/122020/bad+code Del: spam -- https://master.php.net/note/delete/122020/spam Del: non-english -- https://master.php.net/note/delete/122020/non-english Del: in docs -- https://master.php.net/note/delete/122020/in+docs Del: other reasons-- https://master.php.net/note/delete/122020 Reject -- https://master.php.net/note/reject/122020 Search -- https://master.php.net/manage/user-notes.php