1--TEST-- 2Bug #68118: $a->foo .= 'test'; can leave $a->foo undefined 3--FILE-- 4<?php 5 6set_error_handler(function() { 7 $obj = new stdClass; 8 $obj->test = 'meow'; 9 return true; 10}); 11 12$a = new stdClass; 13$a->undefined .= 'test'; 14var_dump($a); 15 16?> 17--EXPECT-- 18object(stdClass)#2 (1) { 19 ["undefined"]=> 20 string(4) "test" 21} 22