PHP hex2bin() Function
The PHP hex2bin() function is used to convert a string containing hexadecimal representation of data into ASCII characters.
Note: This function does NOT convert a hexadecimal number to a binary number. This can be done using the base_convert() function.
Syntax
hex2bin(str)
Parameters
str |
Required. Specify string containing hexadecimal representation of data. |
Return Value
Returns the ASCII characters representation of the given string or false on failure.
Exceptions
If the hexadecimal input string is of odd length or invalid hexadecimal string an E_WARNING level error is thrown.
Example:
In the example below, hex2bin() function is used to convert the given string containing hexadecimal representation of data into ASCII characters.
<?php $str = "48656c6c6f20576f726c64"; //converting and printing the hexadecimal //data into ASCII characters echo hex2bin($str); ?>
The output of the above code will be:
Hello World
❮ PHP String Reference
