How to convert images into binary streams in php

php method to convert an image into a binary stream: first create a PHP sample file; then use the "function binaryEncodeImage($img_file){...}" method to convert the image into a binary data stream.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

php image conversion binary data stream

/* 图片转化为二进制数据流 */
function binaryEncodeImage($img_file) {
    $p_size = filesize($img_file);
    $img_binary = fread(fopen($img_file, "r"), $p_size);
    return $img_binary;
}
 
/* 二进制数据流存储为图片 */
 
file_put_contents(图片路径, $data);

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