bin2hex
(PHP 4, PHP 5, PHP 7, PHP 8)
bin2hex — 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.
Parameters
-
string -
A string.
Return Values
Returns the hexadecimal representation of the given string.
Examples
Example #1 bin2hex() example
<?php
$hex = bin2hex('Hello world!');
var_dump($hex);
var_dump(hex2bin($hex));
?>
The above example will output:
string(24) "48656c6c6f20776f726c6421" string(12) "Hello world!"
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https://www.php.net/manual/en/function.bin2hex.php
