我在验证json_encode()
功能的输出方面遇到了问题。
我使用cURL提取XML Feed,将其转换为数组,然后使用json_endode()
将该数组转换为JSON。我会饶恕你的cURL:
foreach ($xmlObjects->articleResult as $articleResult) {
$article = array(
"articleResult" =>
array(
'articleId' => (string)$articleResult->articleId,
'title' => (string)$articleResult->title,
'subhead' => (string)$articleResult->subhead,
'tweet' => (string)$articleResult->tweet,
'publishedDate' => (string)$articleResult->publishedDate,
'image' => (string)$articleResult->image
),
);
$json = str_replace('\/','/',json_encode($article));
echo $json;
}
这给了我一个JSON读数:
{
"articleResult": {
"articleId": "0001",
"title": "Some title",
"subhead": "Some engaging subhead",
"tweet": "Check out this tweet",
"publishedDate": "January 1st, 1970",
"image": "http://www.domain.com/some_image.jpg"
}
}
{
"articleResult": {
"articleId": "0002",
"title": "Some title",
"subhead": "Some engaging subhead",
"tweet": "Check out this tweet",
"publishedDate": "January 1st, 1970",
"image": "http://www.domain.com/some_image.jpg"
}
}
这会给我一个JSONLint错误说:
Parse error on line 10:
..._120x80.jpg" }}{ "articleResult
---------------------^
Expecting 'EOF', '}', ',', ']'
很自然地,我会添加逗号,这给了我一个文件结束的期望:
Parse error on line 10:
..._120x80.jpg" }},{ "articleResu
---------------------^
Expecting 'EOF'
我是JSON的新手,但是我已经检查了网站和一些资源以获得正确的JSON格式和结构,从我可以看到我的读数符合指南。有什么指针吗?
资源我已经检查过了:
JSON.org自然
Wikipedia有详细记录的页面
W3Resource对结构有一个很好的解释。
答案 0 :(得分:1)
您将2个以上的对象编码为json字符串,需要[
]
来包装它们
正确的语法是
[
{ /* first object */ }
, { /* second object */ }
, { /* third object */ }
]
你需要注意的事情是
[ ]
wrap <强>解决方案强>
$json = array();
foreach ($xmlObjects->articleResult as $articleResult) {
$article = array(
"articleResult" =>
array(
'articleId' => (string)$articleResult->articleId,
'title' => (string)$articleResult->title,
'subhead' => (string)$articleResult->subhead,
'tweet' => (string)$articleResult->tweet,
'publishedDate' => (string)$articleResult->publishedDate,
'image' => (string)$articleResult->image
),
);
$json[] = $article;
}
echo json_encode($json);