PHP hex2bin() Function

PHP hex2bin() function is used to convert a string hexadecimal value to ASCII ccharacters.

Note: This function does not convert a hexadecimal number to a binary number.

Syntax:

Parameter	Description	Required/Optional
String	Specify the hexadecimal value to be converted.	required

Example 1

<?php
echo hex2bin("48656c6c6f20576f726c6421");
?>

Output:

Hello World!

Example 2

<?php
$hex = hex2bin("6578616d706c65206865782064617461");
var_dump($hex);
?>

Output:

string(16) "example hex data"

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