如何将base64字符串转换为音频mp3文件? [英] How to convert base64 string into an audio mp3 file?

问题描述

我从android端获取了base64字符串.我必须将其转换为音频文件，并将其保存到文件夹中.我以为我必须先将其转换为字节数组.然后，在它之后，我必须将其转换为mp3文件.但是不知道如何.我已经完成了base64到图像的工作.如果有人知道答案，请举例说明.谢谢.

I'm getting a base64 string from android side. I have to convert it into an audio file and have to save it into a folder. I thought I have to convert it first into byte array. Then after it, I have to convert it into a mp3 file. But don't know how. I have done work in base64 to image. If anyone know answer then please explain with an example. Thank You.

推荐答案

如果base64编码的数据已经表示一个MP3文件，则应该与对base64数据进行解码并将其存储在文件中一样简单:

If the base64 encoded data already represents an MP3 file, it should be as easy as decoding the base64 data and storing it in a file:

file_put_contents('audio.mp3', base64_decode($data));

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