How to convert php base64 to binary stream

藏色散人
Release: 2023-03-12 22:56:01
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php Base64 to binary stream method: 1. Create a PHP sample file; 2. Convert the base64 string into a binary stream through the "function base64_to_blob($base64Str){...}" method.

How to convert php base64 to binary stream

The operating environment of this article: Windows 7 system, PHP version 7.1, DELL G3 computer.

php How to convert base64 to binary stream?

php base64 string to binary stream

The code is as follows:

function base64_to_blob($base64Str){ if($index = strpos($base64Str,'base64,',0)){ $blobStr = substr($base64Str,$index+7); $typestr = substr($base64Str,0,$index); preg_match("/^data:(.*);$/",$typestr,$arr); return ['blob'=>base64_decode($blobStr),'type'=>$arr[1]]; } return false; } $data = base64_to_blob($base64Str); header('Location: '.$data['type']); echo $data['blob'];
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strpos( ) function finds the first occurrence of a string within another string.

The substr() function returns a part of a string.

base64_decode — Decode data encoded using MIME base64.

Recommended learning: "PHP Video Tutorial"

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