How to convert php images into binary streams

How to convert php images into binary streams: first create a PHP sample file; then get the temporary file name; finally use the "base64EncodeImage(strTmpName);" method to convert the image files into binary streams.

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

php converts images into binary streams

//获取临时文件名 $strTmpName = $_FILES['file']['tmp_name'];

//转成二进制流 $strData = base64EncodeImage(strTmpName );

//输出 

function base64EncodeImage($strTmpName) { $base64Image = ''; $imageInfo = getimagesize($strTmpName); $imageData = fread(fopen($strTmpName , 'r'), filesize($strTmpName)); $base64Image = 'data:' . $imageInfo['mime'] . ';base64,' . chunk_split(base64_encode($imageData)); return $base64Image; }

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