HEX2BIN(3)								 1								HEX2BIN(3)

hex2bin - Decodes a hexadecimally encoded binary string

SYNOPSIS
string hex2bin (string $data) DESCRIPTION
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(3) function. PARAMETERS
o $data - Hexadecimal representation of data. RETURN VALUES
Returns the binary representation of the given data or FALSE on failure. ERRORS
/EXCEPTIONS If the hexadecimal input string is of odd length or invalid hexadecimal string an E_WARNING level error is thrown. CHANGELOG
+--------+---------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+---------------------------------------------------+ | 5.5.1 | | | | | | | A warning is thrown if the input string is | | | invalid hexadecimal string. | | | | | 5.4.1 | | | | | | | 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. | | | | +--------+---------------------------------------------------+ EXAMPLES
Example #1 hex2bin(3) example <?php $hex = hex2bin("6578616d706c65206865782064617461"); var_dump($hex); ?> The above example will output something similar to: string(16) "example hex data" SEE ALSO
bin2hex(3), unpack(3). PHP Documentation Group HEX2BIN(3)

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