note 126559 added to language.variables.basics

$this is a special variable so we can not assign it. But before PHP 7.1.0, indirect assignments such as variable variables are allowed. $bd = "this"; $$bd = "CountryNickName"; echo $this;//allowed prior to PHP 7.1.0 but from the version of 7.1.0, it was not allowed and throw a fatal error ---- Server IP: 45.112.84.4 Probable Submitter: 45.112.85.242 (proxied: 103.120.33.26) ---- Manual Page -- https://php.net/manual/en/language.variables.basics.php Edit -- https://main.php.net/note/edit/126559 Del: integrated -- https://main.php.net/note/delete/126559/integrated Del: useless -- https://main.php.net/note/delete/126559/useless Del: bad code -- https://main.php.net/note/delete/126559/bad+code Del: spam -- https://main.php.net/note/delete/126559/spam Del: non-english -- https://main.php.net/note/delete/126559/non-english Del: in docs -- https://main.php.net/note/delete/126559/in+docs Del: other reasons-- https://main.php.net/note/delete/126559 Reject -- https://main.php.net/note/reject/126559 Search -- https://main.php.net/manage/user-notes.php