1--TEST-- 2SPL: unserialize with no data (for PHPUnit) 3--FILE-- 4<?php 5 6$types = array('SplDoublyLinkedList', 'SplObjectStorage', 'ArrayObject'); 7 8foreach ($types as $type) { 9 // serialize an empty new object 10 $exp = serialize(new $type()); 11 // hack to instantiate an object without constructor 12 $str = sprintf('C:%d:"%s":0:{}', strlen($type), $type); 13 $obj = unserialize($str); 14 var_dump($obj); 15 // serialize result 16 $out = serialize($obj); 17 // both should match 18 var_dump($exp === $out); 19} 20?> 21--EXPECTF-- 22object(SplDoublyLinkedList)#%d (2) { 23 ["flags":"SplDoublyLinkedList":private]=> 24 int(0) 25 ["dllist":"SplDoublyLinkedList":private]=> 26 array(0) { 27 } 28} 29bool(true) 30object(SplObjectStorage)#%d (1) { 31 ["storage":"SplObjectStorage":private]=> 32 array(0) { 33 } 34} 35bool(true) 36object(ArrayObject)#%d (1) { 37 ["storage":"ArrayObject":private]=> 38 array(0) { 39 } 40} 41bool(true) 42
