How to convert a picture to Base64 encoding in PHP

Base64 is one of the most common encoding methods for transmitting 8Bit bytes of code on the network, and you can view rfc2045~rfc2049, which has a detailed specification of MIME.

Here we share a way to convert a picture to a Base64 encoded format:

The base64 encoded string obtained by the above method can be stored in the database and can be read directly from the database when needed, reducing the number of requests when the image is accessed.

Another: This method has been included in the global function Library of miniframework.

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