<?php class test { private $f; public function __construct(&$f) { $this->f = &$f; } public function __destruct() { $this->f = function() {"Echo smart ass!\n"}; } } $f = function () use (&$f) { $t = new test($f); print "After this line it the Closure should be destroyed...\n"; }; $f(); $f(); var_dump($f);
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