1--TEST-- 2hash_copy() errors 3--SKIPIF-- 4<?php extension_loaded('hash') or die('skip'); ?> 5--FILE-- 6<?php 7 8$r = hash_init("md5"); 9var_dump(hash_copy()); 10var_dump(hash_copy($r)); 11var_dump(hash_copy($r, $r)); 12 13echo "Done\n"; 14?> 15--EXPECTF-- 16Warning: hash_copy() expects exactly 1 parameter, 0 given in %s on line %d 17NULL 18object(HashContext)#%d (0) { 19} 20 21Warning: hash_copy() expects exactly 1 parameter, 2 given in %s on line %d 22NULL 23Done 24