1--TEST-- 2unset() CV 11 (unset() of copy destroys original value) 3--FILE-- 4<?php 5$x = array("default"=>"ok"); 6var_dump($x); 7$cf = $x; 8unset($cf['default']); 9var_dump($x); 10echo "ok\n"; 11?> 12--EXPECT-- 13array(1) { 14 ["default"]=> 15 string(2) "ok" 16} 17array(1) { 18 ["default"]=> 19 string(2) "ok" 20} 21ok 22