PHP base64转图片

这篇博客介绍了如何在PHP中将Base64编码的图像数据转换为实际的图片文件,包括所需的代码示例和操作步骤,帮助读者理解这一过程。

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//转图片
 public function tupian()
    {
        $base64_image_content = 'data:image/png;base64,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