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This article will explain in detail how to convert base64 to binary stream in php, Xiaobian thinks it is quite practical, so share it with you as a reference, I hope you can gain something after reading this article.

php base64 to binary stream method: 1, create a PHP sample file;2, by "function base64_to_blob($base64Str){...} "method converts the base64 string to a binary stream.

Operating environment: Windows 7 system, PHP 7.1 version, DELL G3 computer.

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'];

The strpos() function finds the first occurrence of a string in another string.

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

base64_decode -Decode data encoded using MIME base64.

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