php imap切换邮箱

<?php
// 连接到IMAP服务器
$imapStream = imap_open("{imap.example.com:993/imap/ssl}INBOX", "username1@example.com", "password1");

if (!$imapStream) {
    die("无法连接到邮箱服务器");
}

// 获取邮件列表
$mailboxStatus = imap_check($imapStream);
if ($mailboxStatus) {
    $mails = imap_search($imapStream, 'ALL');
    if ($mails) {
        rsort($mails);
        foreach ($mails as $mailNumber) {
            echo "邮件编号: " . $mailNumber . "\n";
            echo "主题: " . imap_headerinfo($imapStream, $mailNumber)->subject . "\n";
        }
    }
}

// 切换到另一个邮箱
imap_reopen($imapStream, "{imap.example.com:993/imap/ssl}INBOX", "username2@example.com", "password2");

if (!$imapStream) {
    die("无法切换到另一个邮箱");
}

// 再次获取邮件列表
$mailboxStatus = imap_check($imapStream);
if ($mailboxStatus) {
    $mails = imap_search($imapStream, 'ALL');
    if ($mails) {
        rsort($mails);
        foreach ($mails as $mailNumber) {
            echo "邮件编号: " . $mailNumber . "\n";
            echo "主题: " . imap_headerinfo($imapStream, $mailNumber)->subject . "\n";
        }
    }
}

// 关闭连接
imap_close($imapStream);
?>