private static function Database::bcBin2Dec in Smart IP 6.2

Same name and namespace in other branches

1. 7.2 includes/vendor/ip2location/ip2location-php/IP2Location.php \IP2Location\Database::bcBin2Dec()

Return the decimal string representing the binary data given

@access private @static

Parameters

string $data Binary data to parse:

Return value

string

1 call to Database::bcBin2Dec()

Database::readQuad in includes/vendor/ip2location/ip2location-php/IP2Location.php

Low level function to fetch a quadword (128 bits) from the caching backend

File

includes/vendor/ip2location/ip2location-php/IP2Location.php, line 1010

Class

Database

IP2Location database class

Namespace

IP2Location

Code

private static function bcBin2Dec($data) {
  $parts = array(
    unpack('V', substr($data, 12, 4)),
    unpack('V', substr($data, 8, 4)),
    unpack('V', substr($data, 4, 4)),
    unpack('V', substr($data, 0, 4)),
  );
  foreach ($parts as &$part) {
    if ($part[1] < 0) {
      $part[1] += 4294967296;
    }
  }
  $result = bcadd(bcadd(bcmul($parts[0][1], bcpow(4294967296, 3)), bcmul($parts[1][1], bcpow(4294967296, 2))), bcadd(bcmul($parts[2][1], 4294967296), $parts[3][1]));
  return $result;
}