以下测试函数使用 PHP 的 xmlreader 读取 XML 文件并返回包含 3 个值的二维数组(“id”= key)。
如何编辑代码以便用户名键和值也返回到数组中? (显示在最后)
ini_set('always_populate_raw_post_data', 'on');
function test()
{
$request = $HTTP_RAW_POST_DATA;
error_reporting(E_ERROR | E_WARNING | E_PARSE);
$url = "http://site.xml";
$reader = new XMLReader();
$reader->open($url);;
$var = array();
$i = 0;
$limit = 3;
while ($reader->read())
{
if ($reader->name == "id" && $reader->nodeType == XMLReader::ELEMENT)
{
if ($i == $limit) break;
while ($reader->read())
{
if ($reader->nodeType == XMLReader::TEXT
|| $reader->nodeType == XMLReader::CDATA
|| $reader->nodeType == XMLReader::WHITESPACE
|| $reader->nodeType == XMLReader::SIGNIFICANT_WHITESPACE)
{
$var[$i]["id"] = $reader->value;
}
else if ($reader->nodeType == XMLReader::END_ELEMENT && $reader->name == "id")
{
break;
}
}
$i++;
}
}
$reader->close();
echo '<pre>';
print_r($var);
echo '</pre>';
}
test() 返回这个数组
Array
(
[0] => Array
(
[id] => 345
)
[1] => Array
(
[id] => 123
)
[2] => Array
(
[id] => 789
)
)
如何获取用户名键和值?
Array
(
[0] => Array
(
[id] => 345
[username] => name1
)
[1] => Array
(
[id] => 123
[username] => name2
)
[2] => Array
(
[id] => 789
[username] => name3
)
)
添加到何塞的答案
// needed to end element
else if ($reader->nodeType == XMLReader::END_ELEMENT && $reader->name == "username")
{
break;
}
这应该有效。
function test()
{
$request = $HTTP_RAW_POST_DATA;
error_reporting(E_ERROR | E_WARNING | E_PARSE);
$url = "http://site.xml";
$reader = new XMLReader();
$reader->open($url);;
$var = array();
$i = 0;
$limit = 3;
while ($reader->read())
{
if (($reader->name == "id" || $reader->name == "username") && $reader->nodeType == XMLReader::ELEMENT)
{
$name = $reader->name;
if ($i == $limit) break;
while ($reader->read())
{
if ($reader->nodeType == XMLReader::TEXT
|| $reader->nodeType == XMLReader::CDATA
|| $reader->nodeType == XMLReader::WHITESPACE
|| $reader->nodeType == XMLReader::SIGNIFICANT_WHITESPACE)
{
$var[$i][$name] = $reader->value;
}
else if ($reader->nodeType == XMLReader::END_ELEMENT && $reader->name == "id")
{
break;
}
}
if($name == "username")
$i++;
}
}
$reader->close();
echo '<pre>';
print_r($var);
echo '</pre>';
}
CHANGES:
($reader->name == "id" ||
$reader->name == "用户名")
$name = $reader->name;
$var[$i][$name] = $reader->value;
if($name == "用户名")
$i++;
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