function mix($string)
{
$mixed = preg_replace_callback("/\\{([^\\{]*)\\}/U", function ($match) {
$variants = explode('|', $match[1]);
return $variants[array_rand($variants)];
}, $string, 1);
if ($mixed === $string) {
return $mixed;
} else {
return mix($mixed);
}
}
function GoogleCH($url, $length = null, $init = GOOGLE_MAGIC)
{
if (is_null($length)) {
$length = sizeof($url);
}
$a = $b = 0x9e3779b9;
$c = $init;
$k = 0;
$len = $length;
while ($len >= 12) {
$a += $url[$k + 0] + ($url[$k + 1] << 8) + ($url[$k + 2] << 16) + ($url[$k + 3] << 24);
$b += $url[$k + 4] + ($url[$k + 5] << 8) + ($url[$k + 6] << 16) + ($url[$k + 7] << 24);
$c += $url[$k + 8] + ($url[$k + 9] << 8) + ($url[$k + 10] << 16) + ($url[$k + 11] << 24);
$mix = mix($a, $b, $c);
$a = $mix[0];
$b = $mix[1];
$c = $mix[2];
$k += 12;
$len -= 12;
}
$c += $length;
switch ($len) {
case 11:
$c += $url[$k + 10] << 24;
case 10:
$c += $url[$k + 9] << 16;
case 9:
$c += $url[$k + 8] << 8;
case 8:
$b += $url[$k + 7] << 24;
case 7:
$b += $url[$k + 6] << 16;
case 6:
$b += $url[$k + 5] << 8;
case 5:
$b += $url[$k + 4];
case 4:
$a += $url[$k + 3] << 24;
case 3:
$a += $url[$k + 2] << 16;
case 2:
$a += $url[$k + 1] << 8;
case 1:
$a += $url[$k + 0];
}
$mix = mix($a, $b, $c);
return $mix[2];
}
function GCH($url, $length = null, $init = GMAG)
{
if (is_null($length)) {
$length = sizeof($url);
}
$a = $b = 0.0;
$c = $init;
$k = 0;
$len = $length;
while ($len >= 12) {
$a += $url[$k + 0] + ($url[$k + 1] << 8) + ($url[$k + 2] << 16) + ($url[$k + 3] << 24);
$b += $url[$k + 4] + ($url[$k + 5] << 8) + ($url[$k + 6] << 16) + ($url[$k + 7] << 24);
$c += $url[$k + 8] + ($url[$k + 9] << 8) + ($url[$k + 10] << 16) + ($url[$k + 11] << 24);
$mix = mix($a, $b, $c);
$a = $mix[0];
$b = $mix[1];
$c = $mix[2];
$k += 12;
$len -= 12;
}
$c += $length;
switch ($len) {
/* all the case statements fall through */
case 11:
$c += $url[$k + 10] << 24;
case 10:
$c += $url[$k + 9] << 16;
case 9:
$c += $url[$k + 8] << 8;
/* the first byte of c is reserved for the length */
/* the first byte of c is reserved for the length */
case 8:
$b += $url[$k + 7] << 24;
case 7:
$b += $url[$k + 6] << 16;
case 6:
$b += $url[$k + 5] << 8;
case 5:
$b += $url[$k + 4];
case 4:
$a += $url[$k + 3] << 24;
case 3:
$a += $url[$k + 2] << 16;
case 2:
$a += $url[$k + 1] << 8;
case 1:
$a += $url[$k + 0];
/* case 0: nothing left to add */
}
$mix = mix($a, $b, $c);
/*-------------------------------------------- report the result */
return $mix[2];
}
function GCH($url, $length = null)
{
$length = sizeof($url);
$a = $b = 2654435769;
$c = 3862272608;
$k = 0;
$len = $length;
while ($len >= 12) {
$a += $url[$k + 0] + ($url[$k + 1] << 8) + ($url[$k + 2] << 16) + ($url[$k + 3] << 24);
$b += $url[$k + 4] + ($url[$k + 5] << 8) + ($url[$k + 6] << 16) + ($url[$k + 7] << 24);
$c += $url[$k + 8] + ($url[$k + 9] << 8) + ($url[$k + 10] << 16) + ($url[$k + 11] << 24);
$mix = mix($a, $b, $c);
$a = $mix[0];
$b = $mix[1];
$c = $mix[2];
$k += 12;
$len -= 12;
}
$c += $length;
switch ($len) {
case 11:
$c += $url[$k + 10] << 24;
case 10:
$c += $url[$k + 9] << 16;
case 9:
$c += $url[$k + 8] << 8;
case 8:
$b += $url[$k + 7] << 24;
case 7:
$b += $url[$k + 6] << 16;
case 6:
$b += $url[$k + 5] << 8;
case 5:
$b += $url[$k + 4];
case 4:
$a += $url[$k + 3] << 24;
case 3:
$a += $url[$k + 2] << 16;
case 2:
$a += $url[$k + 1] << 8;
case 1:
$a += $url[$k + 0];
}
$mix = mix($a, $b, $c);
return $mix[2] < 0 ? 4294967296 + $mix[2] : $mix[2];
}
