使用PHP和cURL访问Exchange Web服务

<?php
// 设置EWS服务器地址
$ewsUrl = "https://outlook.office365.com/EWS/Exchange.asmx";

// 设置用户名和密码
$username = "your_username";
$password = "your_password";

// 设置请求头
$headers = array(
    "Content-Type: text/xml; charset=utf-8",
    "Accept: text/xml",
);

// 设置SOAP请求体
$soapRequest = <<<XML
<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
               xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types">
  <soap:Header>
    <t:RequestServerVersion Version="Exchange2013" />
  </soap:Header>
  <soap:Body>
    <FindItem xmlns="http://schemas.microsoft.com/exchange/services/2006/messages"
               xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types"
               Traversal="Shallow">
      <ItemShape>
        <t:BaseShape>IdOnly</t:BaseShape>
        <t:AdditionalProperties>
          <t:FieldURI FieldURI="item:Subject" />
        </t:AdditionalProperties>
      </ItemShape>
     <IndexedPageItemView MaxEntriesReturned="10" Offset="0" BasePoint="Beginning" />
     <ParentFolderIds>
        <t:DistinguishedFolderId Id="inbox" />
      </ParentFolderIds>
    </FindItem>
  </soap:Body>
</soap:Envelope>
XML;

// 初始化cURL会话
$ch = curl_init();

// 设置cURL选项
curl_setopt($ch, CURLOPT_URL, $ewsUrl);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $soapRequest);
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
curl_setopt($ch, CURLOPT_USERPWD, $username . ":" . $password);

// 执行cURL会话
$response = curl_exec($ch);

// 关闭cURL会话
curl_close($ch);

// 处理响应
if ($response === false) {
    echo "Error: " . curl_error($ch);
} else {
    echo "Response:\n";
    echo $response;
}