hex2bin
PHP 5 >= 5.4.0, PHP 7, PHP 8
hex2bin - Decodes a hexadecimally encoded binary string
hex2bin(
string$string ): string|false
Decodes a hexadecimally encoded binary string.
Caution:
This function does NOT convert a hexadecimal number to a binary number. This can be done using the base_convert function.
Parameters
- string
-
Hexadecimal representation of data.
Return Values
Returns the binary representation of the given data or false on failure.
Exceptions and Errors
If the hexadecimal input string is of odd length or invalid hexadecimal string an E_WARNING level error is thrown.