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bin2hex

PHP function Edit on GitHub ✎

(PHP 4, PHP 5, PHP 7, PHP 8)

Convert binary data into hexadecimal representation

Description

bin2hex(string $string): string

Returns an ASCII string containing the hexadecimal representation of string. The conversion is done byte-wise with the high-nibble first.

Returns the hexadecimal representation of the given string.

bin2hex() example

php

<?php

$hex = bin2hex('Hello world!');

var_dump($hex);
var_dump(hex2bin($hex));
?>

The above example will output:

output

string(24) "48656c6c6f20776f726c6421"
string(12) "Hello world!"