hex2bin

(PHP 5 >= 5.4.0, PHP 7)

hex2binDecodes a hexadecimally encoded binary string

Descrierea

hex2bin ( string $data ) : string

Decodes a hexadecimally encoded binary string.

Precauţie

This function does NOT convert a hexadecimal number to a binary number. This can be done using the base_convert() function.

Parametri

data

Hexadecimal representation of data.

Valorile întoarse

Returns the binary representation of the given data sau FALSE în cazul eșecului.

Erori/Excepții

If the hexadecimal input string is of odd length or invalid hexadecimal string an E_WARNING level error is thrown.

Istoricul schimbărilor

Versiune Descriere
5.5.1 A warning is thrown if the input string is invalid hexadecimal string.
5.4.4 A warning is thrown if the input string is of odd length. In PHP 5.4.0 the string was silently accepted, but the last byte was truncated.

Exemple

Example #1 hex2bin() example

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

Exemplul de mai sus va afișa ceva similar cu:

string(16) "example hex data"

A se vedea și

  • bin2hex() - Convert binary data into hexadecimal representation
  • unpack() - Unpack data from binary string