如何通过 PHP 访问 RESTful API
我对 PHP 以及使用 RESTful API 的整个过程非常陌生.我现在想要做的就是成功地向OpenStreetMap API.
I'm pretty new to PHP and the whole thing of working with RESTful APIs. All I want to do at the moment is successfully issue a plain HTTP GET request to the OpenStreetMap API.
我正在使用 tcdent 提供的简单 PHP REST 客户端，我基本上了解它的功能.我在 OSM 中获取当前变更集的示例代码是:
I am using the simple PHP REST client by tcdent and I basically understand it's functionality. My example code for getting the current Changesets in OSM is:
<?php
include("restclient.php");
$api = new RestClient(array(
'base_url' => "http://api.openstreetmaps.org/",
'format' => "xml")
);
$result = $api->get("api/0.6/changesets");
if($result->info->http_code < 400) {
echo "success:<br/><br/>";
} else {
echo "failed:<br/><br/>";
}
echo $result->response;
?>
当我在浏览器中输入 URLhttp://api.openstreetmaps.org/api/0.6/changesets"时，它会提供 XML 文件.但是，通过此 PHP 代码，它返回 OSM 404 File not Found 页面.
When I enter the URL "http://api.openstreetmaps.org/api/0.6/changesets" in the browser, it delivers the XML file. However, through this PHP code it returns the OSM 404 File not Found page.
我想这是一个相当愚蠢的 PHP 新手问题，但我看不出我遗漏了什么，因为我对所有这些客户端 - 服务器端进程等知之甚少.
I guess this is a rather stupid PHP-newbie question but I cannot see what I am missing, since I do not know much (yet) about all these client-server side processes etc.
感谢您的帮助！
推荐答案
使用 curl.见 http://www.lornajane.net/posts/2008/using-curl-and-php-to-talk-to-a-rest-service
$service_url = 'http://example.com/rest/user/';
$curl = curl_init($service_url);
$curl_post_data = array(
"user_id" => 42,
"emailaddress" => 'lorna@example.com',
);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $curl_post_data);
$curl_response = curl_exec($curl);
curl_close($curl);
$xml = new SimpleXMLElement($curl_response);
$xml = new SimpleXMLElement($curl_response);
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