How to convert byte array to hexadecimal by php

This article mainly introduces "php how to convert byte array to hexadecimal". In daily operation, I believe many people have doubts about how php converts byte array to hexadecimal. Xiaobian consulted all kinds of data and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the doubt of "how php converts byte array to hexadecimal". Next, please follow the editor to study!

Php converts the byte array to hexadecimal: 1, convert each integer to a character; 2, convert it to a string through "join ($chars);"; 3, use "bin2hex ($bin);" convert it to a hexadecimal string.

This article operating environment: Windows7 system, PHP7.1 version, Dell G3 computer.

How does php convert a byte array to hexadecimal?

Php-converts a byte array to a hexadecimal string

Methods:

You can first convert each integer to a character.

$chars = array_map ("chr", $arr)

Then turn it into a string:

$bin = join ($chars)

Finally, convert it to a hexadecimal string:

$hex = bin2hex ($bin); at this point, the study of "how php converts a byte array to hexadecimal" is over. I hope I can solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!