1--TEST-- 2Bug #40191 (use of array_unique() with objects triggers segfault) 3--FILE-- 4<?php 5 6$arrObj = new ArrayObject(); 7$arrObj->append('foo'); 8$arrObj->append('bar'); 9$arrObj->append('foo'); 10 11$arr = array_unique($arrObj); 12var_dump($arr); 13 14echo "Done\n"; 15?> 16--EXPECTF-- 17Warning: array_unique() expects parameter 1 to be array, object given in %s on line %d 18NULL 19Done 20