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PHP hex2bin() Function

The PHP hex2bin() function is used to convert any given input hexadecimal string in to a binary string. PHP hex2bin() function is an in-built function of PHP. This function decodes any binary string which is encoded in hexadecimal value back to it’s binary value.

Hex2bin() function accept only a single parameter $String whichis the given input hexadecimal data which will be decoded to binary.

This bin2hex() function return a string as output which is the binary string of the given hexa-decimal input $String. If the function fails to decode the given hexadecimal string to binary then it returns False as the result.

Syntax:-

hex2bin($String);

Parameter Values

Parameter	Description
string	This is a Required parameter. This parameter contains the hexadecimal value that is to be converted into binary

Here are some examples of hex2bin() function in PHP:

<html>
<body>

<?php
echo hex2bin("50485054504f494e54");
?>

</body>
</html>

Output:
PHPTPOINT

<html>
<body>

<?php
echo hex2bin("504850206973206120736572766572207369646520736372697074696e67206c616e67756167652e");
?>

</body>
</html>

Output:
PHP is a server side scripting language.

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