1--TEST-- 2Bug #72069 (Behavior \JsonSerializable different from json_encode) 3--FILE-- 4<?php 5 6$result = json_encode(['end' => json_decode('', true)]); 7var_dump($result); 8 9class A implements \JsonSerializable 10{ 11 function jsonSerialize(): mixed 12 { 13 return ['end' => json_decode('', true)]; 14 } 15} 16$a = new A(); 17$toJsonData = $a->jsonSerialize(); 18$result = json_encode($a); 19var_dump($result); 20 21$result = json_encode($toJsonData); 22var_dump($result); 23?> 24--EXPECT-- 25string(12) "{"end":null}" 26string(12) "{"end":null}" 27string(12) "{"end":null}" 28
