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php - php json_decode 不工作，json_last_error() thows 4

问题描述

我的英语很差。如果有什么粗鲁的话，我很抱歉。感谢您花时间阅读我的问题。

当我使用 PHP 函数 json_decode() 时，我得到 null 并且 json_last_error() 抛出 4。感谢您的帮助！

我的 PHP 代码是

$str = file_get_contents("cache.txt");
$str = htmlspecialchars_decode($str);
$arr = json_decode($str, true);
print_r($arr);
echo $errorinfo = json_last_error();

名为 cache.txt 的文件的内容是：

[[1,[0,"wWfxgeyEgrRf1M",["https://encrypted-tbn0.gstatic.com/images?q\u003dtbn%3AANd9GcTFekou1VcAkVW23s69_Q53CsUJD0syjACwY0jHbRYcRIcr5cyp",225,225],["https://www.hijordan.com/image/cache/catalog/Jordan-Retro-1/Jordan-Retro-1-16-1080x1080.jpg",1080,1080],null,2,"rgb(160,42,51)",null,false,{"2001":[null,null,null,21,18,3,3,null,null,null,[]],"2003":[null,"M3A7LEiRdcA0DM","https://www.aljadid.com/efabshop/air-jordan-retro-1-red-black-white-p-16.html","Nike Air Jordan Retro 1 Red Black White - Buy Air Jordan 1 Retro ...",null,false,null,null,null,false,null,null,"Al Jadid",null,null,null,null,null,null,null,null,null,false,false,false,{"26":[null,2]}],"2006":[null,[4.0,null,"Air Jordan Retro 1 red black white",null,"A stepping stone to the world of Air Jordan is the Original air jordan 1  (I) White Black Red, which was worn by Michael Jordan the majority of the  ...",null,true,5,60.85,"USD"]],"2008":[null,"Nike Air Jordan Retro 1 Red Black White ..."],"183836587":["aljadid.com"]}],null,[177,158,null,null,null,177,177,null,null,-10,null,null,false,true,null,null,[]],0,null,null,"wWfxgeyEgrRf1M",1,null,null,null,null,[[1580879352798185,178652430,3708684377],null,2]],[1,[0,"sFUMQKdZQFRaGM",["https://encrypted-tbn0.gstatic.com/images?q\u003dtbn%3AANd9GcSV5L3VvYWthX-IG9QO5QfLN_6eLvA687_og435LmF6_5NmGSI4",225,225],["https://www.hijordan.com/image/cache/catalog/air-jordan-12/air-jordan-12-49-1080x1080.jpg",1080,1080],null,2,"rgb(160,58,51)",null,false,{"2001":[null,null,null,21,18,3,6,null,null,null,[]],"2003":[null,"pTPqQEjGfZF7JM","https://togaf9-cert.opengroup.org/bcabshop/air-jordan-12-retro-black-varsity-red-p-1138.html","Air Jordan 12 Retro Black Varsity Red , Price: $89.90 - Air Jordan ...",null,false,null,null,null,false,null,null,"TOGAF? 9 Certification",null,null,null,null,null,null,null,null,null,false,false,false,{"26":[null,2]}],"2006":[null,[4.0,null,"Air Jordan 12 Retro Black Varsity Red","Nike","You should not miss the chance if you have not got one like the Air Jordan  12 Retro Black Varsity Red. Fine craftsmanship with premium materials like  ...",null,true,5,89.9,"USD"]],"2008":[null,"Air Jordan 12 Retro Black Varsity Red ..."],"183836587":["togaf9-cert.opengroup.org"]}],],]

标签： phpjson

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