1--TEST-- 2Bug #67856 (Leak when using array_reduce with by-ref function) 3--FILE-- 4<?php 5$array = [1, 2, 3]; 6var_dump(array_reduce($array, function(&$a, &$b) { 7 return $a + $b; 8}, 0)); 9?> 10--EXPECT-- 11int(6) 12