Php Simplexml_load_string()无法分析错误
我正在尝试加载并解析一个谷歌天气API响应(中文响应) 是API调用Php Simplexml_load_string()无法分析错误,php,simplexml,google-weather-api,Php,Simplexml,Google Weather Api,我正在尝试加载并解析一个谷歌天气API响应(中文响应) 是API调用 // This code fails with the following error $xml = simplexml_load_file('http://www.google.com/ig/api?weather=11791&hl=zh-CN'); (!)警告:simplexml_load_string() [function.simplexml加载字符串]: 实体:第1行:解析器错误:输入 UTF-8不正确,请
// This code fails with the following error
$xml = simplexml_load_file('http://www.google.com/ig/api?weather=11791&hl=zh-CN');
(!)警告:simplexml_load_string()
[function.simplexml加载字符串]:
实体:第1行:解析器错误:输入
UTF-8不正确,请指示编码
! 字节:0xB6 0xE0 0xD4 0xC6英寸
第11行C:\htdocs\weather.php
为什么加载此响应失败
如何对响应进行编码/解码,以便simplexml
正确加载响应
编辑:以下是代码和输出
<?php
$googleData = file_get_contents('http://www.google.com/ig/api?weather=11102&hl=zh-CN');
$xml = simplexml_load_string($googleData);
(!)警告:simplexml_load_string()
[函数.simplexml加载字符串]:^in
C:\htdocs\test4.php在第3行调用
堆栈
时间记忆功能位置1 0.0020314264{main}(
)..\test4.php:0
2 0.1535 317520 simplexml加载字符串
(字符串(1364))..\test4.php:3
更新:我可以重现问题。另外,当我输出原始XML提要时,Firefox自动嗅探字符集为“简体中文”。要么谷歌订阅源提供的数据不正确(简体中文而非UTF-8),要么它提供的数据不同,而不是在浏览器中获取的数据——Firefox中的内容类型标题清楚地显示UTF-8
将来自简体中文(GB18030,这是Firefox提供给我的)的传入提要转换为UTF-8是可行的:
$incoming = file_get_contents('http://www.google.com/ig/api?weather=11791&hl=zh-CN');
$xml = iconv("GB18030", "utf-8", $incoming);
$xml = simplexml_load_string($xml);
不过,它还不能解释或解决根本问题。我现在没有时间深入研究这件事,也许其他人有。在我看来,谷歌实际上提供的是错误的数据(这让我感到惊讶。我不知道他们会像我们这些凡人一样犯错误。:P)这里的问题是,SimpleXML没有查看HTTP头来确定文档中使用的字符编码,只是假设它是UTF-8,即使Google的服务器确实将其宣传为UTF-8
Content-Type: text/xml; charset=GB2312
您可以编写一个函数,使用超级秘密魔术变量$http\u response\u header
查看该报头,并相应地转换响应。诸如此类:
function sxe($url)
{
$xml = file_get_contents($url);
foreach ($http_response_header as $header)
{
if (preg_match('#^Content-Type: text/xml; charset=(.*)#i', $header, $m))
{
switch (strtolower($m[1]))
{
case 'utf-8':
// do nothing
break;
case 'iso-8859-1':
$xml = utf8_encode($xml);
break;
default:
$xml = iconv($m[1], 'utf-8', $xml);
}
break;
}
}
return simplexml_load_string($xml);
}
刚从这里过来。
这似乎有效(我在网上找到的函数本身,只是稍微更新了一下)
header('Content-Type:text/html;charset=utf-8');
函数getWeather(){
$requestAddress=”http://www.google.com/ig/api?weather=11791&hl=zh-CN”;
//根据位置下载天气数据。
$xml\u str=file\u get\u contents($requestAddress,0);
$xml_str=preg_replace(“/(]*>)/”、“$1$2$3”、$xml_str);
$xml_str=iconv(“GB18030”,“utf-8”,“$xml_str”);
//解析XML
$xml=新的simplexmlement($xml_str,TRUE);
//循环XML
$count=0;
回声';
foreach($xml->weather as$item){
foreach($item->forecast\u条件为$new){
回音“\n”;
回显“icon['data']”。“alt=””$new->condition['data']”“/>
\n”;
echo“$new->day of_of_week['data']。”
;
回声“低:”.$new->Low['data']”。“高:”.$new->High['data']”;
回显“\n\n”;
}
}
回声';
}
getWeather();
这是我用php编写的用于解析Google Weather API的脚本
<?php
function sxe($url)
{
$xml = file_get_contents($url);
foreach ($http_response_header as $header)
{
if (preg_match('#^Content-Type: text/xml; charset=(.*)#i', $header, $m))
{
switch (strtolower($m[1]))
{
case 'utf-8':
// do nothing
break;
case 'iso-8859-1':
$xml = utf8_encode($xml);
break;
default:
$xml = iconv($m[1], 'utf-8', $xml);
}
break;
}
}
return simplexml_load_string($xml);
}
$xml = simplexml_load_file('http://www.google.com/ig/api?weather=46360&h1=en-us');
$information = $xml->xpath("/xml_api_reply/weather/forecast_information");
$current = $xml->xpath("/xml_api_reply/weather/current_conditions");
$forecast = $xml->xpath("/xml_api_reply/weather/forecast_conditions");
print "<br><br><center><div style=\"border: 1px solid; background-color: #dddddd; background-image: url('http://mc-pdfd-live.dyndns.org/images/clouds.bmp'); width: 450\">";
print "<br><h3>";
print $information[0]->city['data'] . " " . $information[0]->unit_system['data'] . " " . $information[0]->postal_code['data'];
print "</h3>";
print "<div style=\"border: 1px solid; width: 320px\">";
print "<table cellpadding=\"5px\"><tr><td><h4>";
print "Now";
print "<br><br>";
print "<img src=http://www.google.com" . $current[0]->icon['data'] . "> ";
print "</h4></td><td><h4>";
print "<br><br>";
print " " . $current[0]->condition['data'] . " ";
print " " . $current[0]->temp_f['data'] . " °F";
print "<br>";
print " " . $current[0]->wind_condition['data'];
print "<br>";
print " " . $current[0]->humidity['data'];
print "<h4></td></tr></table></div>";
print "<table cellpadding=\"5px\"><tr><td>";
print "<table cellpadding=\"5px\"><tr><td><h4>";
print "Today";
print "<br><br>";
print "<img src=http://www.google.com" . $forecast[0]->icon['data'] . "> ";
print "</h4></td><td><h4>";
print "<br><br>";
print $forecast[0]->condition['data'];
print "<br>";
print "High " . $forecast[0]->high['data'] . " °F";
print "<br>";
print "Low " . $forecast[0]->low['data'] . " °F";
print "</h4></td></tr></table>";
print "<table cellpadding=\"5px\"><tr><td><h4>";
print $forecast[2]->day_of_week['data'];
print "<br><br>";
print "<img src=http://www.google.com" . $forecast[2]->icon['data'] . "> ";
print "</h4></td><td><h4>";
print "<br><br>";
print " " . $forecast[2]->condition['data'];
print "<br>";
print " High " . $forecast[2]->high['data'] . " °F";
print "<br>";
print " Low " . $forecast[2]->low['data'] . " °F";
print "</h4></td></tr></table>";
print "</td><td>";
print "<table cellpadding=\"5px\"><tr><td><h4>";
print $forecast[1]->day_of_week['data'];
print "<br><br>";
print "<img src=http://www.google.com" . $forecast[1]->icon['data'] . "> ";
print "</h4></td><td><h4>";
print "<br><br>";
print " " . $forecast[1]->condition['data'];
print "<br>";
print " High " . $forecast[1]->high['data'] . " °F";
print "<br>";
print " Low " . $forecast[1]->low['data'] . " °F";
print "</h4></td></tr></table>";
print "<table cellpadding=\"5px\"><tr><td><h4>";
print $forecast[3]->day_of_week['data'];
print "<br><br>";
print "<img src=http://www.google.com" . $forecast[3]->icon['data'] . "> ";
print "</h4></td><td><h4>";
print "<br><br>";
print " " . $forecast[3]->condition['data'];
print "<br>";
print " High " . $forecast[3]->high['data'] . " °F";
print "<br>";
print " Low " . $forecast[3]->low['data'] . " °F";
print "</h4></td></tr></table>";
print "</td></tr></table>";
print "</div></center>";
?>
xpath(“/xml\u api\u reply/weather/forecast\u information”);
$current=$xml->xpath(“/xml\u api\u reply/weather/current\u conditions”);
$forecast=$xml->xpath(“/xml\u api\u reply/weather/forecast\u conditions”);
打印“
”;
打印“
”;
打印$information[0]->city['data']。“”.$information[0]->unit_system['data']。“”.$information[0]->邮政编码['data'];
打印“”;
打印“”;
打印“”;
打印“现在”;
打印“
”;
打印“图标[‘数据’”。"> ";
打印“”;
打印“
”;
打印“”$当前[0]->条件['data']。" ";
打印“”$当前[0]->temp_f['data']。“华氏度”;
打印“
”;
打印“”$当前[0]->风况[‘数据’];
打印“
”;
打印“”$电流[0]->湿度[‘数据’];
打印“”;
打印“”;
打印“”;
打印“今日”;
打印“
”;
打印“图标['data']。”>”;
打印“”;
打印“
”;
打印$forecast[0]->条件['data'];
打印“
”;
打印“高”。$forecast[0]->高['data']。“F”;
打印“
”;
打印“低”。$forecast[0]->Low['data']。“F”;
打印“”;
打印“”;
打印$forecast[2]->每周一天['data'];
打印“
”;
打印“图标[‘数据’”。"> ";
打印“”;
打印“
”;
打印“”$预测[2]->条件[‘数据’];
打印“
”;
打印“高”$预测[2]->高['data']。“华氏度”;
打印“
”;
打印“低”$预测[2]->低[“数据”]。“华氏度”;
打印“”;
打印“”;
打印“”;
打印$forecast[1]->每周一天['data'];
打印“
”;
打印“图标['data']。”>”;
打印“”;
打印“
”;
打印“.$forecast[1]->条件['data'];
打印“
”;
打印“高”。$forecast[1]->高['data']。“F”;
打印“
”;
打印“低”。$forecast[1]->低['data']。“F”;
打印“”;
打印“”;
打印$forecast[3]->每周一天['data'];
打印“
”;
打印“图标[‘数据’”。"> ";
打印“”;
打印“
”;
打印“”$预测[3]->条件[‘数据’];
打印“
”;
打印“高”$预测[3]->高[‘数据’]。“华氏度”;
打印“
”;
打印“低”$预测[3]->低[“数据”]。“华氏度”;
打印“”;
打印“”;
打印“”;
?>
尝试添加url查询参数eo=utf-8。在这种情况下,答案将完全是UTF-8编码。它帮助了我
http://www.google.com/ig/api?weather=?????°ree=??????&oe=utf-8&hl=es
Pekka:我已经尝试过了,xml看起来不错,但是当我将其传递给simplexml\u load\u string时,会出现大量解析错误:(.我是否需要将其转换为UTF-8字符串或其他内容?通过php加载会给您带来错误吗?@John稍等,我会尝试一下。@Pekka:谢谢!至少现在知道不是我的代码破坏了系统xD,我感觉很好。@John不客气。我可能会错,但看起来,这似乎实际上是错误的数据。事实上服务器确实使用GB2312字符集发布响应。因此,我只需将其复制粘贴到我的php中并更改变量,它就会识别类似于&frasl;
的内容,这是一个/
http://www.google.com/ig/api?weather=?????°ree=??????&oe=utf-8&hl=es