## 基本用法

示例 #1 FTP 示例

    <?php
    // 建立基础连接
    $ftp = ftp_connect($ftp_server);

    // 使用用户名和口令登录
    $login_result = ftp_login($ftp, $ftp_user_name, $ftp_user_pass);

    // 检查是否成功
    if ((!$ftp) || (!$login_result)) {
        echo "FTP connection has failed!";
        echo "Attempted to connect to $ftp_server for user $ftp_user_name";
        exit;
    } else {
        echo "Connected to $ftp_server, for user $ftp_user_name";
    }

    // 上传文件
    $upload = ftp_put($ftp, $destination_file, $source_file, FTP_BINARY);

    // 检查上传结果
    if (!$upload) {
        echo "FTP upload has failed!";
    } else {
        echo "Uploaded $source_file to $ftp_server as $destination_file";
    }

    // 关闭 FTP 连接
    ftp_close($ftp);
    ?>

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