Ubuntu Sverige

Kod: Markera allt

$encoded .= ModHex::$TRANSKEY[((int)$bin >> 4) & 0xf];
$encoded .= ModHex::$TRANSKEY[ (int)$bin & 0xf];

Kod: Markera allt

/*
        yubikey.php
        Written by John E. Woltman IV
        Released under the LGPL v2.
        Based on code from Yubico's C and Java server samples.
        
        WARNING: I have not tested this with an actual yubikey yet, only with
        the sample output included in yubico-c's README file.
        
        NOTICE: This class DOES NOT track or log a Yubikey's counters and
        timestamps.  You can use this code to integrate Yubikey authentication
        into your own backend authentication system and keep track of the necessary
        information yourself.
        
        Please see the file yubitest.php for a test scenario.
        
*/
class ModHex {

        static $TRANSKEY = "cbdefghijklnrtuv"; // translation key used to ModHex a string

        // ModHex encodes the string $src
        static function encode($src) {
                $encoded = "";
                $i = 0;
                $srcLen = strlen($src);
                for ($i = 0; $i < $srcLen; $i++) {
                        $bin = (ord($src[$i]));
                        $encoded .= ModHex::$TRANSKEY[((int)$bin >> 4) & 0xf];
                        $encoded .= ModHex::$TRANSKEY[ (int)$bin & 0xf];
                }
                return $encoded;
        }

        // ModHex decodes the string $token.  Returns the decoded string if successful,
        // or zero if an encoding error was found.
        static function decode($token) {
                $tokLen = strlen($token);       // length of the token
                $decoded = "";                          // decoded string to be returned

                // strings must have an even length
                if ( $tokLen % 2 != 0 ) { return FALSE; }

                for ($i = 0; $i < $tokLen; $i=$i+2 ) {
                        $high = strpos(ModHex::$TRANSKEY, $token[$i]);
                        $low = strpos(ModHex::$TRANSKEY, $token[$i+1]);

                        // if there's an invalid character in the encoded $token, fail here.
                        if ( $high === FALSE || $low === FALSE )
                                return FALSE;

                        $decoded .= chr(($high << 4) | $low);
                }
                return $decoded;
        }

Kod: Markera allt

	
<?php 
$name="Micke Nordin";
echo "Initialerna är: " . $name[0] . $name[6];
?>

Kod: Markera allt

<?php 
$string = "10 små siffror";
echo (int)$string;
?>

Kod: Markera allt

((int)$bin >> 4) & 0xf