1--TEST-- 2Closure 024: Clone the Closure object 3--FILE-- 4<?php 5 6$a = 1; 7$c = function($add) use(&$a) { return $a+$add; }; 8 9$cc = clone $c; 10 11echo $c(10)."\n"; 12echo $cc(10)."\n"; 13 14$a++; 15 16echo $c(10)."\n"; 17echo $cc(10)."\n"; 18 19echo "Done.\n"; 20?> 21--EXPECTF-- 2211 2311 2412 2512 26Done.