note 126217 added to language.variables.scope

<?php function foo(){ static $a= 0; $bar = function(){ global $a ; return ++$a; }; return $bar(); } echo foo(); // 1 echo foo(); // 2 function foo1(){ $bar = function(){ static $a = 0; return ++$a; }; return $bar(); } echo foo1() ; // 1 echo foo1() ; // 1 function foo2(){ static $a = 0; $bar = function() use (&$a){ return ++$a; }; return $bar(); } echo foo2() ; // 1 echo foo2() ; // 2 function foo3($func){ static $a = 0; return $func($a); } echo foo3(fn(&$a) => ++$a ); // 1 echo foo3(fn(&$a) => ++$a ); // 2 ?> ---- Server IP: 45.112.84.4 Probable Submitter: 45.112.85.242 (proxied: 116.52.2.62) ---- Manual Page -- https://php.net/manual/en/language.variables.scope.php Edit -- https://main.php.net/note/edit/126217 Del: integrated -- https://main.php.net/note/delete/126217/integrated Del: useless -- https://main.php.net/note/delete/126217/useless Del: bad code -- https://main.php.net/note/delete/126217/bad+code Del: spam -- https://main.php.net/note/delete/126217/spam Del: non-english -- https://main.php.net/note/delete/126217/non-english Del: in docs -- https://main.php.net/note/delete/126217/in+docs Del: other reasons-- https://main.php.net/note/delete/126217 Reject -- https://main.php.net/note/reject/126217 Search -- https://main.php.net/manage/user-notes.php