我们已经从 ID 卡中获取了用户个人资料图片，这些图片存储在 SQL Server 数据库中的表中，在 varbinary 类型的列中。
这是其中一位用户的数据示例：
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通过 php 的 mb_detect_encoding 函数运行它会返回“ASCII”。
我现在不知如何将“ASCII”数据转换回图像。我已经尝试过各种教程，但他们都认为它是用 base64_encode 编码的，但没有一个对我有用。
我是否需要将此“ASCII”数据转换为base64，然后对其进行解码？或者有什么方法可以将它直接转换回图像？
谢谢你。