1--TEST-- 2Fix UMR in array_user_key_compare (MOPB24) 3--FILE-- 4<?php 5$arr = array("A" => 1, "B" => 1); 6 7function array_compare(&$key1, &$key2) 8 { 9 $GLOBALS['a'] = &$key2; 10 unset($key2); 11 return 1; 12 } 13 14uksort($arr, "array_compare"); 15var_dump($a); 16 17?> 18--EXPECT-- 19string(1) "B" 20